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 433-480 of 1467 APIs
Notion
Documents & Productivity
Notion is an API listed in the Documents & Productivity category that provides access to integrate with Notion. It is intended for developers who want to integrate this type of documents & productivity 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 Notion a useful integration candidate when a project needs integrate with Notion 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.
PandaDoc
Documents & Productivity
PandaDoc is an API listed in the Documents & Productivity category that provides access to docGen and eSignatures API. It is intended for developers who want to integrate this type of documents & productivity 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 No. This makes PandaDoc a useful integration candidate when a project needs docGen and eSignatures 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.
Documents & Productivity
Pocket is an API listed in the Documents & Productivity category that provides access to bookmarking service. It is intended for developers who want to integrate this type of documents & productivity 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 Pocket a useful integration candidate when a project needs bookmarking 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.
Podio
Documents & Productivity
Podio is an API listed in the Documents & Productivity category that provides access to file sharing and productivity. It is intended for developers who want to integrate this type of documents & productivity 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 Podio a useful integration candidate when a project needs file sharing and productivity 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.
PrexView
Documents & Productivity
PrexView is an API listed in the Documents & Productivity category that provides access to data from XML or JSON to PDF, HTML or Image. It is intended for developers who want to integrate this type of documents & productivity 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 PrexView a useful integration candidate when a project needs data from XML or JSON to PDF, HTML or Image 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.
Restpack
Documents & Productivity
Restpack is an API listed in the Documents & Productivity category that provides access to provides screenshot, HTML to PDF and content extraction APIs. It is intended for developers who want to integrate this type of documents & productivity 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 Restpack a useful integration candidate when a project needs provides screenshot, HTML to PDF and content extraction APIs 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.
Todoist
Documents & Productivity
Todoist is an API listed in the Documents & Productivity category that provides access to todo Lists. It is intended for developers who want to integrate this type of documents & productivity 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 Todoist a useful integration candidate when a project needs todo Lists 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.
Smart Image Enhancement API
Documents & Productivity
Smart Image Enhancement API is an API listed in the Documents & Productivity category that provides access to performs image upscaling by adding detail to images through multiple super-resolution algorithms. It is intended for developers who want to integrate this type of documents & productivity 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 Smart Image Enhancement API a useful integration candidate when a project needs performs image upscaling by adding detail to images through multiple super-resolution algorithms 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.
staffSign
Documents & Productivity
staffSign is an API listed in the Documents & Productivity category that provides access to digital employment contract API with QES/eIDAS support for HR and staffing. It is intended for developers who want to integrate this type of documents & productivity 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 staffSign a useful integration candidate when a project needs digital employment contract API with QES/eIDAS support for HR and staffing 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.
Vector Express v2.0
Documents & Productivity
Vector Express v2.0 is an API listed in the Documents & Productivity category that provides access to free vector file converting API. It is intended for developers who want to integrate this type of documents & productivity 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 Vector Express v2.0 a useful integration candidate when a project needs free vector file converting 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.
WakaTime
Documents & Productivity
WakaTime is an API listed in the Documents & Productivity category that provides access to automated time tracking leaderboards for programmers. It is intended for developers who want to integrate this type of documents & productivity 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 WakaTime a useful integration candidate when a project needs automated time tracking leaderboards for programmers 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.
Zube
Documents & Productivity
Zube is an API listed in the Documents & Productivity category that provides access to full stack project management. It is intended for developers who want to integrate this type of documents & productivity 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 Zube a useful integration candidate when a project needs full stack project management 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.
mailboxlayer
mailboxlayer is an API listed in the Email category that provides access to email address validation. It is intended for developers who want to integrate this type of email 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 mailboxlayer a useful integration candidate when a project needs email address 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.
Cloudmersive Validate is an API listed in the Email category that provides access to validate email addresses, phone numbers, VAT numbers and domain names. It is intended for developers who want to integrate this type of email 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 Cloudmersive Validate a useful integration candidate when a project needs validate email addresses, phone numbers, VAT numbers and domain names 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.
Disify
Disify is an API listed in the Email category that provides access to validate and detect disposable and temporary email addresses. It is intended for developers who want to integrate this type of email 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 Disify a useful integration candidate when a project needs validate and detect disposable and temporary email addresses 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.
DropMail
DropMail is an API listed in the Email category that provides access to graphQL API for creating and managing ephemeral e-mail inboxes. It is intended for developers who want to integrate this type of email 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 DropMail a useful integration candidate when a project needs graphQL API for creating and managing ephemeral e-mail inboxes 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.
EmailJS
EmailJS is an API listed in the Email category that provides access to send emails directly from client-side JavaScript without a backend server. It is intended for developers who want to integrate this type of email 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 EmailJS a useful integration candidate when a project needs send emails directly from client-side JavaScript without a backend server 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.
Email Validation
Email Validation is an API listed in the Email category that provides access to validate email addresses for deliverability and spam. It is intended for developers who want to integrate this type of email 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 Email Validation a useful integration candidate when a project needs validate email addresses for deliverability and spam 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.
EVA
EVA is an API listed in the Email category that provides access to validate email addresses. It is intended for developers who want to integrate this type of email 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 EVA a useful integration candidate when a project needs validate email addresses 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.
Guerrilla Mail
Guerrilla Mail is an API listed in the Email category that provides access to disposable temporary Email addresses. It is intended for developers who want to integrate this type of email 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 Guerrilla Mail a useful integration candidate when a project needs disposable temporary Email addresses 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.
ImprovMX
ImprovMX is an API listed in the Email category that provides access to API for free email forwarding service. It is intended for developers who want to integrate this type of email 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 ImprovMX a useful integration candidate when a project needs API for free email forwarding 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.
Kickbox
Kickbox is an API listed in the Email category that provides access to email verification API. It is intended for developers who want to integrate this type of email 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 Kickbox a useful integration candidate when a project needs email verification 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.
mail.gw
mail.gw is an API listed in the Email category that provides access to 10 Minute Mail. It is intended for developers who want to integrate this type of email 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 mail.gw a useful integration candidate when a project needs 10 Minute Mail 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.
mail.tm
mail.tm is an API listed in the Email category that provides access to temporary Email Service. It is intended for developers who want to integrate this type of email 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 mail.tm a useful integration candidate when a project needs temporary Email 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.
MailboxValidator
MailboxValidator is an API listed in the Email category that provides access to validate email address to improve deliverability. It is intended for developers who want to integrate this type of email 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 MailboxValidator a useful integration candidate when a project needs validate email address to improve deliverability 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.
MailCheck.ai
MailCheck.ai is an API listed in the Email category that provides access to prevent users to sign up with temporary email addresses. It is intended for developers who want to integrate this type of email 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 MailCheck.ai a useful integration candidate when a project needs prevent users to sign up with temporary email addresses 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.
Mailtrap
Mailtrap is an API listed in the Email category that provides access to a service for the safe testing of emails sent from the development and staging environments. It is intended for developers who want to integrate this type of email 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 Mailtrap a useful integration candidate when a project needs a service for the safe testing of emails sent from the development and staging environments 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.
PostStack
PostStack is an API listed in the Email category that provides access to EU-hosted email API for transactional and marketing email, with contacts, broadcasts, and analytics. It is intended for developers who want to integrate this type of email 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 No. This makes PostStack a useful integration candidate when a project needs EU-hosted email API for transactional and marketing email, with contacts, broadcasts, and 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.
Sendgrid
Sendgrid is an API listed in the Email category that provides access to a cloud-based SMTP provider that allows you to send emails without having to maintain email servers. It is intended for developers who want to integrate this type of email 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 Sendgrid a useful integration candidate when a project needs a cloud-based SMTP provider that allows you to send emails without having to maintain email servers 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.
Sendinblue
Sendinblue is an API listed in the Email category that provides access to a service that provides solutions relating to marketing and/or transactional email and/or SMS. It is intended for developers who want to integrate this type of email 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 Sendinblue a useful integration candidate when a project needs a service that provides solutions relating to marketing and/or transactional email and/or SMS 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.
Verifier
Verifier is an API listed in the Email category that provides access to verifies that a given email is real. It is intended for developers who want to integrate this type of email 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 Verifier a useful integration candidate when a project needs verifies that a given email is real 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.
Anycrap
Entertainment
Anycrap is an API listed in the Entertainment category that provides access to 35,000+ absurdist AI-generated product concepts with names, descriptions, and images. It is intended for developers who want to integrate this type of entertainment 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 Anycrap a useful integration candidate when a project needs 35,000+ absurdist AI-generated product concepts with names, descriptions, and 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.
chucknorris.io
Entertainment
chucknorris.io is an API listed in the Entertainment category that provides access to JSON API for hand curated Chuck Norris jokes. It is intended for developers who want to integrate this type of entertainment 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 chucknorris.io a useful integration candidate when a project needs JSON API for hand curated Chuck Norris jokes 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.
Corporate Buzz Words
Entertainment
Corporate Buzz Words is an API listed in the Entertainment category that provides access to REST API for Corporate Buzz Words. It is intended for developers who want to integrate this type of entertainment 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 Corporate Buzz Words a useful integration candidate when a project needs REST API for Corporate Buzz Words 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.
Excuser
Entertainment
Excuser is an API listed in the Entertainment category that provides access to get random excuses for various situations. It is intended for developers who want to integrate this type of entertainment 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 Excuser a useful integration candidate when a project needs get random excuses for various situations 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.
Fun Fact
Entertainment
Fun Fact is an API listed in the Entertainment category that provides access to a simple HTTPS api that can randomly select and return a fact from the FFA database. It is intended for developers who want to integrate this type of entertainment 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 Fun Fact a useful integration candidate when a project needs a simple HTTPS api that can randomly select and return a fact from the FFA database 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.
Imgflip
Entertainment
Imgflip is an API listed in the Entertainment category that provides access to gets an array of popular memes. It is intended for developers who want to integrate this type of entertainment 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 Imgflip a useful integration candidate when a project needs gets an array of popular memes 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.
justmeme.wtf
Entertainment
justmeme.wtf is an API listed in the Entertainment category that provides access to free meme API with 2400+ templates, search, trending, and AI generation. It is intended for developers who want to integrate this type of entertainment 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 justmeme.wtf a useful integration candidate when a project needs free meme API with 2400+ templates, search, trending, and AI generation 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.
Meme Maker
Entertainment
Meme Maker is an API listed in the Entertainment category that provides access to REST API for create your own meme. It is intended for developers who want to integrate this type of entertainment 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 Meme Maker a useful integration candidate when a project needs REST API for create your own meme 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.
Memesio
Entertainment
Memesio is an API listed in the Entertainment category that provides access to meme creation API with templates, editable captions and hosted share links. It is intended for developers who want to integrate this type of entertainment 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 Memesio a useful integration candidate when a project needs meme creation API with templates, editable captions and hosted share links 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.
NaMoMemes
Entertainment
NaMoMemes is an API listed in the Entertainment category that provides access to memes on Narendra Modi. It is intended for developers who want to integrate this type of entertainment 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 NaMoMemes a useful integration candidate when a project needs memes on Narendra Modi 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.
Random Useless Facts
Entertainment
Random Useless Facts is an API listed in the Entertainment category that provides access to get useless, but true facts. It is intended for developers who want to integrate this type of entertainment 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 Random Useless Facts a useful integration candidate when a project needs get useless, but true facts 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.
TasteDive
Entertainment
TasteDive is an API listed in the Entertainment category that provides access to content-based recommendations for movies, music, TV shows, books, games, and podcasts. It is intended for developers who want to integrate this type of entertainment 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 No. This makes TasteDive a useful integration candidate when a project needs content-based recommendations for movies, music, TV shows, books, games, and podcasts 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.
Techy
Entertainment
Techy is an API listed in the Entertainment category that provides access to JSON and Plaintext API for tech-savvy sounding phrases. It is intended for developers who want to integrate this type of entertainment 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 Techy a useful integration candidate when a project needs JSON and Plaintext API for tech-savvy sounding phrases 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.
Yo Momma Jokes
Entertainment
Yo Momma Jokes is an API listed in the Entertainment category that provides access to REST API for Yo Momma Jokes. It is intended for developers who want to integrate this type of entertainment 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 Yo Momma Jokes a useful integration candidate when a project needs REST API for Yo Momma Jokes 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.
BreezoMeter Pollen
Environment
BreezoMeter Pollen is an API listed in the Environment category that provides access to daily Forecast pollen conditions data for a specific location. It is intended for developers who want to integrate this type of environment 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 BreezoMeter Pollen a useful integration candidate when a project needs daily Forecast pollen conditions data for a specific location 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.
Carbon Interface
Environment
Carbon Interface is an API listed in the Environment category that provides access to API to calculate carbon (C02) emissions estimates for common C02 emitting activities. It is intended for developers who want to integrate this type of environment 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 Carbon Interface a useful integration candidate when a project needs API to calculate carbon (C02) emissions estimates for common C02 emitting activities 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.
Climatiq
Environment
Climatiq is an API listed in the Environment category that provides access to calculate the environmental footprint created by a broad range of emission-generating activities. It is intended for developers who want to integrate this type of environment 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 Climatiq a useful integration candidate when a project needs calculate the environmental footprint created by a broad range of emission-generating activities 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.