Best Free APIs Directory
Find free APIs for AI, weather, finance, and development projects in our curated directory.
The Best Free APIs for Developers
Find the perfect free API for your next project. Our curated directory features hundreds of free APIs across AI, weather, finance, and developer tools - all verified to offer genuine free tiers without credit card requirements.
Whether you need AI APIs for natural language processing, Weather APIs for forecasts and historical data, Finance APIs for stock and crypto data, or Developer APIs for GitHub integration and more - we have you covered.
Pro tip: Each API card includes a copy button for the endpoint URL. Click to copy and integrate into your projects quickly.
Showing 817-864 of 1467 APIs
Open Government, Queensland Government
Government
Open Government, Queensland Government is an API listed in the Government category that provides access to queensland Government Open Data. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Open Government, Queensland Government a useful integration candidate when a project needs queensland Government Open Data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Open Government, Romania
Government
Open Government, Romania is an API listed in the Government category that provides access to romania Government Open Data. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as unavailable. This makes Open Government, Romania a useful integration candidate when a project needs romania Government Open Data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Open Government, Saudi Arabia
Government
Open Government, Saudi Arabia is an API listed in the Government category that provides access to saudi Arabia Government Open Data. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Open Government, Saudi Arabia a useful integration candidate when a project needs saudi Arabia Government Open Data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Open Government, Singapore
Government
Open Government, Singapore is an API listed in the Government category that provides access to singapore Government Open Data. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Open Government, Singapore a useful integration candidate when a project needs singapore Government Open Data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Open Government, Slovakia
Government
Open Government, Slovakia is an API listed in the Government category that provides access to slovakia Government Open Data. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Open Government, Slovakia a useful integration candidate when a project needs slovakia Government Open Data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Open Government, Slovenia
Government
Open Government, Slovenia is an API listed in the Government category that provides access to slovenia Government Open Data. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as No. This makes Open Government, Slovenia a useful integration candidate when a project needs slovenia Government Open Data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Open Government, South Australian Government is an API listed in the Government category that provides access to south Australian Government Open Data. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Open Government, South Australian Government a useful integration candidate when a project needs south Australian Government Open Data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Open Government, Spain
Government
Open Government, Spain is an API listed in the Government category that provides access to spain Government Open Data. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Open Government, Spain a useful integration candidate when a project needs spain Government Open Data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Open Government, Sweden
Government
Open Government, Sweden is an API listed in the Government category that provides access to sweden Government Open Data. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Open Government, Sweden a useful integration candidate when a project needs sweden Government Open Data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Open Government, Switzerland
Government
Open Government, Switzerland is an API listed in the Government category that provides access to switzerland Government Open Data. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Open Government, Switzerland a useful integration candidate when a project needs switzerland Government Open Data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Open Government, Taiwan
Government
Open Government, Taiwan is an API listed in the Government category that provides access to taiwan Government Open Data. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Open Government, Taiwan a useful integration candidate when a project needs taiwan Government Open Data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Open Government, Thailand
Government
Open Government, Thailand is an API listed in the Government category that provides access to thailand Government Open Data. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available. This makes Open Government, Thailand a useful integration candidate when a project needs thailand Government Open Data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Open Government, UK
Government
Open Government, UK is an API listed in the Government category that provides access to UK Government Open Data. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Open Government, UK a useful integration candidate when a project needs UK Government Open Data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Open Government, USA
Government
Open Government, USA is an API listed in the Government category that provides access to united States Government Open Data. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Open Government, USA a useful integration candidate when a project needs united States Government Open Data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Open Government, Victoria State Government is an API listed in the Government category that provides access to victoria State Government Open Data. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Open Government, Victoria State Government a useful integration candidate when a project needs victoria State Government Open Data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Open Government, West Australia
Government
Open Government, West Australia is an API listed in the Government category that provides access to west Australia Open Data. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Open Government, West Australia a useful integration candidate when a project needs west Australia Open Data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
OpenRegistry
Government
OpenRegistry is an API listed in the Government category that provides access to real-time queries to 27 national company registries (UK, FR, DE, IT, ES, KR + 21 more). It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies OAuth as the authentication method; HTTPS support is listed as available. This makes OpenRegistry a useful integration candidate when a project needs real-time queries to 27 national company registries (UK, FR, DE, IT, ES, KR + 21 more) through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
PRC Exam Schedule
Government
PRC Exam Schedule is an API listed in the Government category that provides access to unofficial Philippine Professional Regulation Commission's examination schedule. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes PRC Exam Schedule a useful integration candidate when a project needs unofficial Philippine Professional Regulation Commission's examination schedule through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Represent by Open North
Government
Represent by Open North is an API listed in the Government category that provides access to find Canadian Government Representatives. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Represent by Open North a useful integration candidate when a project needs find Canadian Government Representatives through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
UK Companies House
Government
UK Companies House is an API listed in the Government category that provides access to UK Companies House Data from the UK government. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies OAuth as the authentication method; HTTPS support is listed as available. This makes UK Companies House a useful integration candidate when a project needs UK Companies House Data from the UK government through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
US Presidential Election Data by TogaTech is an API listed in the Government category that provides access to basic candidate data and live electoral vote counts for top two parties in US presidential election. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as No. This makes US Presidential Election Data by TogaTech a useful integration candidate when a project needs basic candidate data and live electoral vote counts for top two parties in US presidential election through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
USA.gov
Government
USA.gov is an API listed in the Government category that provides access to authoritative information on U.S. programs, events, services and more. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available. This makes USA.gov a useful integration candidate when a project needs authoritative information on U.S. programs, events, services and more through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
USAspending.gov
Government
USAspending.gov is an API listed in the Government category that provides access to US federal spending data. It is intended for developers who want to integrate this type of government data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes USAspending.gov a useful integration candidate when a project needs US federal spending data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
CMS.gov
Health
CMS.gov is an API listed in the Health category that provides access to access to the data from the CMS - medicare.gov. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available. This makes CMS.gov a useful integration candidate when a project needs access to the data from the CMS - medicare.gov through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Coronavirus
Health
Coronavirus is an API listed in the Health category that provides access to HTTP API for Latest Covid-19 Data. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Coronavirus a useful integration candidate when a project needs HTTP API for Latest Covid-19 Data through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Coronavirus in the UK
Health
Coronavirus in the UK is an API listed in the Health category that provides access to UK Government coronavirus data, including deaths and cases by region. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Coronavirus in the UK a useful integration candidate when a project needs UK Government coronavirus data, including deaths and cases by region through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Covid Tracking Project
Health
Covid Tracking Project is an API listed in the Health category that provides access to covid-19 data for the US. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as No. This makes Covid Tracking Project a useful integration candidate when a project needs covid-19 data for the US through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Covid-19
Health
Covid-19 is an API listed in the Health category that provides access to covid 19 spread, infection and recovery. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes Covid-19 a useful integration candidate when a project needs covid 19 spread, infection and recovery through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Covid-19 Datenhub
Health
Covid-19 Datenhub is an API listed in the Health category that provides access to maps, datasets, applications and more in the context of COVID-19. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Covid-19 Datenhub a useful integration candidate when a project needs maps, datasets, applications and more in the context of COVID-19 through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Covid-19 Government Response is an API listed in the Health category that provides access to government measures tracker to fight against the Covid-19 pandemic. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes Covid-19 Government Response a useful integration candidate when a project needs government measures tracker to fight against the Covid-19 pandemic through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Covid-19 India
Health
Covid-19 India is an API listed in the Health category that provides access to covid 19 statistics state and district wise about cases, vaccinations, recovery within India. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Covid-19 India a useful integration candidate when a project needs covid 19 statistics state and district wise about cases, vaccinations, recovery within India through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Covid-19 JHU CSSE
Health
Covid-19 JHU CSSE is an API listed in the Health category that provides access to open-source API for exploring Covid19 cases based on JHU CSSE. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes Covid-19 JHU CSSE a useful integration candidate when a project needs open-source API for exploring Covid19 cases based on JHU CSSE through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Covid-19 Live Data
Health
Covid-19 Live Data is an API listed in the Health category that provides access to global and countrywise data of Covid 19 daily Summary, confirmed cases, recovered and deaths. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes Covid-19 Live Data a useful integration candidate when a project needs global and countrywise data of Covid 19 daily Summary, confirmed cases, recovered and deaths through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Covid-19 Philippines
Health
Covid-19 Philippines is an API listed in the Health category that provides access to unofficial Covid-19 Web API for Philippines from data collected by DOH. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes Covid-19 Philippines a useful integration candidate when a project needs unofficial Covid-19 Web API for Philippines from data collected by DOH through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
COVID-19 Tracker Canada
Health
COVID-19 Tracker Canada is an API listed in the Health category that provides access to details on Covid-19 cases across Canada. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes COVID-19 Tracker Canada a useful integration candidate when a project needs details on Covid-19 cases across Canada through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
COVID-19 Tracker Sri Lanka is an API listed in the Health category that provides access to provides situation of the COVID-19 patients reported in Sri Lanka. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes COVID-19 Tracker Sri Lanka a useful integration candidate when a project needs provides situation of the COVID-19 patients reported in Sri Lanka through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
COVID-ID
Health
COVID-ID is an API listed in the Health category that provides access to indonesian government Covid data per province. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes COVID-ID a useful integration candidate when a project needs indonesian government Covid data per province through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Dataflow Kit COVID-19
Health
Dataflow Kit COVID-19 is an API listed in the Health category that provides access to COVID-19 live statistics into sites per hour. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Dataflow Kit COVID-19 a useful integration candidate when a project needs COVID-19 live statistics into sites per hour through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Edamam
Health
Edamam is an API listed in the Health category that provides access to food and nutrition data API with recipe search. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available. This makes Edamam a useful integration candidate when a project needs food and nutrition data API with recipe search through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
FoodData Central
Health
FoodData Central is an API listed in the Health category that provides access to national Nutrient Database for Standard Reference. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available. This makes FoodData Central a useful integration candidate when a project needs national Nutrient Database for Standard Reference through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Healthcare.gov
Health
Healthcare.gov is an API listed in the Health category that provides access to educational content about the US Health Insurance Marketplace. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Healthcare.gov a useful integration candidate when a project needs educational content about the US Health Insurance Marketplace through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Humanitarian Data Exchange is an API listed in the Health category that provides access to humanitarian Data Exchange (HDX) is open platform for sharing data across crises and organisations. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes Humanitarian Data Exchange a useful integration candidate when a project needs humanitarian Data Exchange (HDX) is open platform for sharing data across crises and organisations through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Infermedica
Health
Infermedica is an API listed in the Health category that provides access to NLP based symptom checker and patient triage API for health diagnosis from text. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available; CORS is listed as Yes. This makes Infermedica a useful integration candidate when a project needs NLP based symptom checker and patient triage API for health diagnosis from text through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
LAPIS
Health
LAPIS is an API listed in the Health category that provides access to SARS-CoV-2 genomic sequences from public sources. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available; CORS is listed as Yes. This makes LAPIS a useful integration candidate when a project needs SARS-CoV-2 genomic sequences from public sources through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Lexigram
Health
Lexigram is an API listed in the Health category that provides access to NLP that extracts mentions of clinical concepts from text, gives access to clinical ontology. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing identifies apiKey as the authentication method; HTTPS support is listed as available. This makes Lexigram a useful integration candidate when a project needs NLP that extracts mentions of clinical concepts from text, gives access to clinical ontology through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Makeup
Health
Makeup is an API listed in the Health category that provides access to makeup Information. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as unavailable. This makes Makeup a useful integration candidate when a project needs makeup Information through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
MyVaccination
Health
MyVaccination is an API listed in the Health category that provides access to vaccination data for Malaysia. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes MyVaccination a useful integration candidate when a project needs vaccination data for Malaysia through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
NPPES
Health
NPPES is an API listed in the Health category that provides access to national Plan & Provider Enumeration System, info on healthcare providers registered in US. It is intended for developers who want to integrate this type of health data or functionality into websites, mobile applications, dashboards, automation workflows, research projects, prototypes, or backend services without building the underlying data source or service from scratch. From the supplied API metadata, the supplied listing indicates that authentication is not required; HTTPS support is listed as available. This makes NPPES a useful integration candidate when a project needs national Plan & Provider Enumeration System, info on healthcare providers registered in US through a programmatic interface. Because API capabilities, quotas, authentication rules, endpoints, and availability can change over time, the provider documentation should be treated as the current technical reference.
Frequently Asked Questions About Free APIs
What are the best free APIs for developers?
The best free APIs include OpenAI API (free tier), GitHub REST API, OpenWeather API, and Alpha Vantage for finance data. Our directory lists hundreds of free APIs across AI, weather, finance, and developer categories.
Do these APIs require a credit card?
Most APIs in our directory offer free tiers that don't require a credit card. Some may require registration for an API key, but you won't be charged for basic usage within their free limits.
How do I integrate these APIs into my project?
Each API listing includes the endpoint URL with a copy button. Click to copy the endpoint, then use it in your HTTP requests. Visit the API's documentation (linked on each page) for authentication details and usage examples.
What's the difference between free and paid API tiers?
Free API tiers typically have rate limits (requests per minute/day) and may offer fewer features. They're perfect for development, testing, and small projects. Paid tiers offer higher limits, more features, and SLAs for production use.
Can I use these APIs for commercial projects?
Most APIs allow commercial use on their free tiers, but check each API's terms of service. Some may require attribution or have specific usage restrictions for commercial applications.