Free Public APIs

OpenAI

GPT models for text generation, chat, code, and embeddings.

apiKeyHTTPSCORS: Yes

Hugging Face Inference

Run thousands of open-source AI models via a simple REST API.

apiKeyHTTPSCORS: Yes

Cohere

NLP API for text generation, summarization, and classification.

apiKeyHTTPSCORS: Yes

Replicate

Run open-source machine learning models in the cloud.

apiKeyHTTPSCORS: Yes

Together AI

Fast inference API for open-source LLMs like Llama and Mistral.

apiKeyHTTPSCORS: Yes

Groq

Ultra-fast inference for Llama, Mixtral, and Gemma models.

apiKeyHTTPSCORS: Yes

Stability AI

Generate images, video, and 3D assets using Stable Diffusion.

apiKeyHTTPSCORS: Yes

Mistral AI

Efficient open-weight language models via REST API.

apiKeyHTTPSCORS: Yes

Open-Meteo

Free weather forecast API with no API key required. Hourly and daily data.

No AuthHTTPSCORS: Yes

OpenWeatherMap

Current weather, forecasts, and historical data for any location.

apiKeyHTTPSCORS: Yes

WeatherAPI

Real-time, forecast, and historical weather data with timezone info.

apiKeyHTTPSCORS: Yes

Tomorrow.io

Weather data with high-resolution forecasting and air quality.

apiKeyHTTPSCORS: Yes

Alpha Vantage

Free APIs for real-time and historical stock, forex, and crypto data.

apiKeyHTTPSCORS: Yes

Polygon.io

Real-time and historical stock market data, aggregates, and news.

apiKeyHTTPSCORS: Yes

CoinGecko

Cryptocurrency prices, market caps, charts, and exchange data.

No AuthHTTPSCORS: Yes

ExchangeRate-API

Simple API for currency conversion with 160+ currencies.

apiKeyHTTPSCORS: Yes

Frankfurter

Free, open-source currency rates from the European Central Bank.

No AuthHTTPSCORS: Yes

GNews

Real-time news API from Google News with full article content.

apiKeyHTTPSCORS: Yes

NewsAPI

Search and retrieve news articles from 80,000+ sources.

apiKeyHTTPSCORS: Yes

The Guardian

Access all Guardian articles, sections, and tags since 1999.

apiKeyHTTPSCORS: Yes

New York Times

Search NYT articles, reviews, and best-sellers lists.

apiKeyHTTPSCORS: Yes

GitHub REST API

Access repositories, issues, pull requests, users, and more.

OAuthHTTPSCORS: Yes

GitLab API

Manage GitLab projects, pipelines, issues, and merge requests.

OAuthHTTPSCORS: Yes

npm Registry

Query npm package metadata, downloads, and version history.

No AuthHTTPSCORS: Yes

PyPI JSON API

Get metadata for any Python package hosted on PyPI.

No AuthHTTPSCORS: Yes

Shields.io

Generate SVG and PNG badges for GitHub READMEs. No key needed.

No AuthHTTPSCORS: Yes

Hacker News

Access HN stories, comments, polls, and user profiles.

No AuthHTTPSCORS: Yes

Dev.to

Read and publish articles, comments, and listings on dev.to.

apiKeyHTTPSCORS: Yes

StackExchange

Access Stack Overflow questions, answers, and user profiles.

OAuthHTTPSCORS: Unknown

OpenStreetMap Nominatim

Free geocoding and reverse-geocoding using OpenStreetMap data.

No AuthHTTPSCORS: Yes

ipify

Simple public IP address API. Returns your current IP.

No AuthHTTPSCORS: Yes

ip-api

IP geolocation – country, city, ISP, timezone, lat/lng.

No AuthHTTPCORS: Yes

RestCountries

Get data about countries: name, capital, currencies, languages.

No AuthHTTPSCORS: Yes

Timezone DB

Convert timezone by city name, coordinates, or IANA zone name.

apiKeyHTTPSCORS: Yes

The Movie Database (TMDb)

Movies, TV shows, people data, ratings, and trailers.

apiKeyHTTPSCORS: Yes

Open Library

Access millions of books from the Internet Archive's Open Library.

No AuthHTTPSCORS: Yes

iTunes Search API

Search the iTunes catalog for music, apps, books, and podcasts.

No AuthHTTPSCORS: Yes

Spotify Web API

Access Spotify music catalog, playlists, user data, and playback.

OAuthHTTPSCORS: Yes

YouTube Data API

Search videos, channels, playlists, and retrieve video metadata.

apiKeyHTTPSCORS: Yes

Jikan

Unofficial MyAnimeList REST API – anime, manga, characters.

No AuthHTTPSCORS: Yes

NASA APIs

APOD, Mars rover photos, asteroid data, EPIC Earth imagery, and more.

apiKeyHTTPSCORS: Yes

Open Notify

Real-time position of the ISS and number of people in space.

No AuthHTTPCORS: Yes

Wikipedia

Extract article summaries, full text, and media from Wikipedia.

No AuthHTTPSCORS: Yes

arXiv API

Search and retrieve scientific preprints across CS, math, physics.

No AuthHTTPSCORS: Yes

Open Disease

COVID-19 statistics for countries, US states, and vaccines.

No AuthHTTPSCORS: Yes

QR Code Generator

Generate QR codes for URLs, text, and vCards for free.

No AuthHTTPSCORS: Yes

Short.io

URL shortening, branded links, and click analytics.

apiKeyHTTPSCORS: Yes

Abstract API – Email Validation

Validate email addresses, detect disposable emails and typos.

apiKeyHTTPSCORS: Yes

PDF.co

PDF generation, merging, splitting, and text extraction API.

apiKeyHTTPSCORS: Yes

Cloudinary

Image and video upload, transformation, optimization, and delivery.

apiKeyHTTPSCORS: Yes

Social

Reddit JSON API

Browse subreddits, posts, and comments – no key needed.

No AuthHTTPSCORS: Unknown

Social

Twitter/X API v2

Read and write tweets, search timelines, and manage accounts.

OAuthHTTPSCORS: Yes

Social

Mastodon

Open-source social network API for posting, timelines, and search.

OAuthHTTPSCORS: Yes

Jobs

Remotive

Remote job listings across engineering, design, and product roles.

No AuthHTTPSCORS: Yes

Jobs

The Muse

Job listings with company profiles, culture, and career advice.

apiKeyHTTPSCORS: Yes

Jobs

Arbeitnow

European job board with visa sponsorship and remote filters.

No AuthHTTPSCORS: Yes

Security

Have I Been Pwned

Check if emails or passwords have appeared in data breaches.

apiKeyHTTPSCORS: Yes

Security

Shodan

Search engine for internet-connected devices and open ports.

apiKeyHTTPSCORS: Yes

Security

VirusTotal

Scan files, URLs, IPs, and domains for malware and threats.

apiKeyHTTPSCORS: Yes