A curated collection of the best free, freemium, and paid APIs for developers.
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| Stocks & Options | Access stock, ETF, and options data with real-time updates | apiKey |
Yes | Yes |
| Instagram Social | Scrape public Instagram data, posts, and user profiles | apiKey |
Yes | Yes |
| Crypto | Cryptocurrency price, market cap, and exchange data | apiKey |
Yes | Yes |
| Reddit Social | Track trending Reddit posts and sentiment | apiKey |
Yes | Yes |
| Real Estate | Access property listings, valuation, and housing data | apiKey |
Yes | Yes |
| Baseball (MLB) | MLB stats, schedules, and player data | apiKey |
Yes | Yes |
| Hockey (NHL) | NHL teams, players, and live scores | apiKey |
Yes | Yes |
| Aliexpress | Scrape product listings and pricing data from Aliexpress | apiKey |
Yes | Yes |
| Amazon | Retrieve structured Amazon product details | apiKey |
Yes | Yes |
| Twitter Social | Access trending topics, tweets, and user insights | apiKey |
Yes | Yes |
| API | Description | Auth | HTTPS | Free |
|---|---|---|---|---|
| API-Football | Live football data & stats | apiKey |
✅ | Freemium |
| TheSportsDB | Community-driven sports database | apiKey |
✅ | Free |
| SportsData.io | Major sports stats and odds | apiKey |
✅ | Paid |
| API | Description | Auth | HTTPS | Free |
|---|---|---|---|---|
| Mboum Finance | Stock, options, and market fundamentals | apiKey |
✅ | Freemium |
| Alpha Vantage | Stock and forex market data | apiKey |
✅ | Free |
| Finnhub | Real-time financial data | apiKey |
✅ | Freemium |
| Yahoo Finance | Global financial market data | None | ✅ | Free |
| API | Description | Auth | HTTPS | Free |
|---|---|---|---|---|
| TheOddsAPI | Live odds from 30+ bookmakers | apiKey |
✅ | Paid |
| Betfair API | Betting exchange data & automation | apiKey |
✅ | Paid |
| API | Description | Auth | HTTPS | Free |
|---|---|---|---|---|
| OpenAI | Text, image, and chat AI models | apiKey |
✅ | Paid |
| Replicate | Cloud-based ML model execution | apiKey |
✅ | Paid |
| Hugging Face Inference API | Run transformers & LLMs in the cloud | apiKey |
✅ | Freemium |
| API | Description | Auth | HTTPS | Free |
|---|---|---|---|---|
| NewsAPI | Global news and headlines | apiKey |
✅ | Freemium |
| Mediastack | Real-time news data feed | apiKey |
✅ | Freemium |
| CurrentsAPI | Trending news & events | apiKey |
✅ | Freemium |
| API | Description | Auth | HTTPS | Free |
|---|---|---|---|---|
| OpenWeatherMap | Weather forecasts & current conditions | apiKey |
✅ | Free |
| Weatherbit | Weather and air quality APIs | apiKey |
✅ | Freemium |
| Climacell | Real-time weather insights | apiKey |
✅ | Paid |
| API | Description | Auth | HTTPS | Free |
|---|---|---|---|---|
| RapidAPI | API marketplace & hub | apiKey |
✅ | Free |
| Postman Public APIs | Shared API collections for developers | None | ✅ | Free |
| ReqRes | Mock API for testing frontend apps | None | ✅ | Free |
Want to add an API? Submit a pull request!
Each entry should include:
| Field | Description |
|---|---|
| API | The name of the API (linked to its documentation or homepage) |
| Description | A short and clear summary of what the API does |
| Auth | Type of authentication used (apiKey, OAuth, or No) |
| HTTPS | Whether it supports HTTPS (Yes or No) |
| CORS | Whether Cross-Origin Resource Sharing is enabled (Yes, No, or Unknown) |
| ExampleAPI | Provides example data for testing | No | Yes | Yes |
We review submissions weekly and credit contributors in the changelog.
Most API lists are outdated or missing reliable endpoints.
This project aims to:
- Highlight developer-ready APIs
- Promote stable, scalable API providers (like SteadyAPI)
- Keep categories clean, fast-loading, and regularly updated
Released under the MIT License.
Maintained by SteadyAPI.