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 1009-1056 of 1467 APIs
Countly
Open Source Projects
Countly is an API listed in the Open Source Projects category that provides access to countly web analytics. It is intended for developers who want to integrate this type of open source projects 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 Countly a useful integration candidate when a project needs countly web analytics 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.
Creative Commons Catalog
Open Source Projects
Creative Commons Catalog is an API listed in the Open Source Projects category that provides access to search among openly licensed and public domain works. It is intended for developers who want to integrate this type of open source projects 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; CORS is listed as Yes. This makes Creative Commons Catalog a useful integration candidate when a project needs search among openly licensed and public domain works 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.
Datamuse
Open Source Projects
Datamuse is an API listed in the Open Source Projects category that provides access to word-finding query engine. It is intended for developers who want to integrate this type of open source projects 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 Datamuse a useful integration candidate when a project needs word-finding query engine 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.
Drupal.org
Open Source Projects
Drupal.org is an API listed in the Open Source Projects category that provides access to drupal.org. It is intended for developers who want to integrate this type of open source projects 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 Drupal.org a useful integration candidate when a project needs drupal.org 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.
Evil Insult Generator
Open Source Projects
Evil Insult Generator is an API listed in the Open Source Projects category that provides access to evil Insults. It is intended for developers who want to integrate this type of open source projects 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 Evil Insult Generator a useful integration candidate when a project needs evil Insults 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.
GitHub Contribution Chart Generator
Open Source Projects
GitHub Contribution Chart Generator is an API listed in the Open Source Projects category that provides access to create an image of your GitHub contributions. It is intended for developers who want to integrate this type of open source projects 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 GitHub Contribution Chart Generator a useful integration candidate when a project needs create an image of your GitHub contributions 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.
GitHub ReadMe Stats
Open Source Projects
GitHub ReadMe Stats is an API listed in the Open Source Projects category that provides access to add dynamically generated statistics to your GitHub profile ReadMe. It is intended for developers who want to integrate this type of open source projects 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 GitHub ReadMe Stats a useful integration candidate when a project needs add dynamically generated statistics to your GitHub profile ReadMe 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.
Metabase
Open Source Projects
Metabase is an API listed in the Open Source Projects category that provides access to an open source Business Intelligence server to share data and analytics inside your company. It is intended for developers who want to integrate this type of open source projects 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 Metabase a useful integration candidate when a project needs an open source Business Intelligence server to share data and analytics inside your company 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.
Shields
Open Source Projects
Shields is an API listed in the Open Source Projects category that provides access to concise, consistent, and legible badges in SVG and raster format. It is intended for developers who want to integrate this type of open source projects 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 Shields a useful integration candidate when a project needs concise, consistent, and legible badges in SVG and raster format 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.
EPO
Patent
EPO is an API listed in the Patent category that provides access to european patent search system api. It is intended for developers who want to integrate this type of patent 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 EPO a useful integration candidate when a project needs european patent search system api 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.
PatentsView
Patent
PatentsView is an API listed in the Patent category that provides access to API is intended to explore and visualize trends/patterns across the US innovation landscape. It is intended for developers who want to integrate this type of patent 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 PatentsView a useful integration candidate when a project needs API is intended to explore and visualize trends/patterns across the US innovation landscape 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.
TIPO
Patent
TIPO is an API listed in the Patent category that provides access to taiwan patent search system api. It is intended for developers who want to integrate this type of patent 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 TIPO a useful integration candidate when a project needs taiwan patent search system api 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.
USPTO
Patent
USPTO is an API listed in the Patent category that provides access to USA patent api services. It is intended for developers who want to integrate this type of patent 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 USPTO a useful integration candidate when a project needs USA patent api services 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.
Advice Slip
Personality
Advice Slip is an API listed in the Personality category that provides access to generate random advice slips. It is intended for developers who want to integrate this type of personality 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 Advice Slip a useful integration candidate when a project needs generate random advice slips 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.
Biriyani As A Service
Personality
Biriyani As A Service is an API listed in the Personality category that provides access to biriyani images placeholder. It is intended for developers who want to integrate this type of personality 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 Biriyani As A Service a useful integration candidate when a project needs biriyani images placeholder 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.
Dev.to
Personality
Dev.to is an API listed in the Personality category that provides access to access Forem articles, users and other resources via API. It is intended for developers who want to integrate this type of personality 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 Dev.to a useful integration candidate when a project needs access Forem articles, users and other resources via API 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.
Dictum
Personality
Dictum is an API listed in the Personality category that provides access to API to get access to the collection of the most inspiring expressions of mankind. It is intended for developers who want to integrate this type of personality 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 Dictum a useful integration candidate when a project needs API to get access to the collection of the most inspiring expressions of mankind 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.
FavQs.com
Personality
FavQs.com is an API listed in the Personality category that provides access to favQs allows you to collect, discover and share your favorite quotes. It is intended for developers who want to integrate this type of personality 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 FavQs.com a useful integration candidate when a project needs favQs allows you to collect, discover and share your favorite quotes 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.
FOAAS
Personality
FOAAS is an API listed in the Personality category that provides access to fuck Off As A Service. It is intended for developers who want to integrate this type of personality 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 FOAAS a useful integration candidate when a project needs fuck Off As A Service 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.
Forismatic
Personality
Forismatic is an API listed in the Personality category that provides access to inspirational Quotes. It is intended for developers who want to integrate this type of personality 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 Forismatic a useful integration candidate when a project needs inspirational Quotes 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.
icanhazdadjoke
Personality
icanhazdadjoke is an API listed in the Personality category that provides access to the largest selection of dad jokes on the internet. It is intended for developers who want to integrate this type of personality 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 icanhazdadjoke a useful integration candidate when a project needs the largest selection of dad jokes on the internet 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.
Inspiration
Personality
Inspiration is an API listed in the Personality category that provides access to motivational and Inspirational quotes. It is intended for developers who want to integrate this type of personality 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 Inspiration a useful integration candidate when a project needs motivational and Inspirational quotes 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.
kanye.rest
Personality
kanye.rest is an API listed in the Personality category that provides access to REST API for random Kanye West quotes. It is intended for developers who want to integrate this type of personality 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 kanye.rest a useful integration candidate when a project needs REST API for random Kanye West quotes 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.
kimiquotes
Personality
kimiquotes is an API listed in the Personality category that provides access to team radio and interview quotes by Finnish F1 legend Kimi Räikkönen. It is intended for developers who want to integrate this type of personality 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 kimiquotes a useful integration candidate when a project needs team radio and interview quotes by Finnish F1 legend Kimi Räikkönen 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.
Medium
Personality
Medium is an API listed in the Personality category that provides access to community of readers and writers offering unique perspectives on ideas. It is intended for developers who want to integrate this type of personality 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 Medium a useful integration candidate when a project needs community of readers and writers offering unique perspectives on ideas 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.
Programming Quotes
Personality
Programming Quotes is an API listed in the Personality category that provides access to programming Quotes API for open source projects. It is intended for developers who want to integrate this type of personality 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 Programming Quotes a useful integration candidate when a project needs programming Quotes API for open source projects 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.
Quotable Quotes
Personality
Quotable Quotes is an API listed in the Personality category that provides access to quotable is a free, open source quotations API. It is intended for developers who want to integrate this type of personality 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 Quotable Quotes a useful integration candidate when a project needs quotable is a free, open source quotations API 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.
Quote Garden
Personality
Quote Garden is an API listed in the Personality category that provides access to REST API for more than 5000 famous quotes. It is intended for developers who want to integrate this type of personality 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 Quote Garden a useful integration candidate when a project needs REST API for more than 5000 famous quotes 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.
quoteclear
Personality
quoteclear is an API listed in the Personality category that provides access to ever-growing list of James Clear quotes from the 3-2-1 Newsletter. It is intended for developers who want to integrate this type of personality 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 quoteclear a useful integration candidate when a project needs ever-growing list of James Clear quotes from the 3-2-1 Newsletter 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.
Quotes on Design
Personality
Quotes on Design is an API listed in the Personality category that provides access to inspirational Quotes. It is intended for developers who want to integrate this type of personality 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 Quotes on Design a useful integration candidate when a project needs inspirational Quotes 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.
Stoicism Quote
Personality
Stoicism Quote is an API listed in the Personality category that provides access to quotes about Stoicism. It is intended for developers who want to integrate this type of personality 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 Stoicism Quote a useful integration candidate when a project needs quotes about Stoicism 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.
They Said So Quotes
Personality
They Said So Quotes is an API listed in the Personality category that provides access to quotes Trusted by many fortune brands around the world. It is intended for developers who want to integrate this type of personality 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 They Said So Quotes a useful integration candidate when a project needs quotes Trusted by many fortune brands around the world 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.
Traitify
Personality
Traitify is an API listed in the Personality category that provides access to assess, collect and analyze Personality. It is intended for developers who want to integrate this type of personality 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 Traitify a useful integration candidate when a project needs assess, collect and analyze Personality 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.
Udemy(instructor)
Personality
Udemy(instructor) is an API listed in the Personality category that provides access to API for instructors on Udemy. It is intended for developers who want to integrate this type of personality 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 Udemy(instructor) a useful integration candidate when a project needs API for instructors on Udemy 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.
Vadivelu HTTP Codes
Personality
Vadivelu HTTP Codes is an API listed in the Personality category that provides access to on demand HTTP Codes with images. It is intended for developers who want to integrate this type of personality 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 Vadivelu HTTP Codes a useful integration candidate when a project needs on demand HTTP Codes with images 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.
Zen Quotes
Personality
Zen Quotes is an API listed in the Personality category that provides access to large collection of Zen quotes for inspiration. It is intended for developers who want to integrate this type of personality 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 Zen Quotes a useful integration candidate when a project needs large collection of Zen quotes for inspiration 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.
Numlookup
Phone
Numlookup is an API listed in the Phone category that provides access to phone number validation and carrier lookup API with global coverage. It is intended for developers who want to integrate this type of phone 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 Numlookup a useful integration candidate when a project needs phone number validation and carrier lookup API with global coverage 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.
Numverify
Phone
Numverify is an API listed in the Phone category that provides access to phone number validation. It is intended for developers who want to integrate this type of phone 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 Numverify a useful integration candidate when a project needs phone number validation 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.
Phone Specification
Phone
Phone Specification is an API listed in the Phone category that provides access to rest Api for Phone specifications. It is intended for developers who want to integrate this type of phone 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 Phone Specification a useful integration candidate when a project needs rest Api for Phone specifications 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.
Phone Validation
Phone
Phone Validation is an API listed in the Phone category that provides access to validate phone numbers globally. It is intended for developers who want to integrate this type of phone 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 Phone Validation a useful integration candidate when a project needs validate phone numbers globally 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.
Veriphone
Phone
Veriphone is an API listed in the Phone category that provides access to phone number validation & carrier lookup. It is intended for developers who want to integrate this type of phone 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 Veriphone a useful integration candidate when a project needs phone number validation & carrier lookup 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.
Screenshotlayer
Photography
Screenshotlayer is an API listed in the Photography category that provides access to URL to screenshot. It is intended for developers who want to integrate this type of photography 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 Screenshotlayer a useful integration candidate when a project needs URL to screenshot 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.
APITemplate.io
Photography
APITemplate.io is an API listed in the Photography category that provides access to dynamically generate images and PDFs from templates with a simple API. It is intended for developers who want to integrate this type of photography 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 APITemplate.io a useful integration candidate when a project needs dynamically generate images and PDFs from templates with a simple API 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.
Bruzu
Photography
Bruzu is an API listed in the Photography category that provides access to image generation with query string. It is intended for developers who want to integrate this type of photography 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 Bruzu a useful integration candidate when a project needs image generation with query string 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.
CheetahO
Photography
CheetahO is an API listed in the Photography category that provides access to photo optimization and resize. It is intended for developers who want to integrate this type of photography 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 CheetahO a useful integration candidate when a project needs photo optimization and resize 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.
Dagpi
Photography
Dagpi is an API listed in the Photography category that provides access to image manipulation and processing. It is intended for developers who want to integrate this type of photography 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 Dagpi a useful integration candidate when a project needs image manipulation and processing 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.
Duply
Photography
Duply is an API listed in the Photography category that provides access to generate, Edit, Scale and Manage Images and Videos Smarter & Faster. It is intended for developers who want to integrate this type of photography 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 Duply a useful integration candidate when a project needs generate, Edit, Scale and Manage Images and Videos Smarter & Faster 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.
DynaPictures
Photography
DynaPictures is an API listed in the Photography category that provides access to generate Hundreds of Personalized Images in Minutes. It is intended for developers who want to integrate this type of photography 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 DynaPictures a useful integration candidate when a project needs generate Hundreds of Personalized Images in Minutes 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.