API-mega-list: Fast App Building
Get instant access to a vast API collection for automations and applications, ideal for founders and developers, with 5.7k+ GitHub stars.
5,781 stars1,127 forksJavaScriptQuality 9/10Updated 6/5/2026100% free · open source Provides a curated, comprehensive list of production-ready APIs that founders can quickly browse and implement across multiple tech domains
- •When you need to rapidly prototype a product with external data sources
- •When searching for verified, working APIs across different categories
- •When wanting to save research time by using a pre-vetted API collection
- 1Visit the GitHub repository and browse the categorized API lists
- 2Click through to specific API documentation links for integration details
- 3Clone or fork the repository to keep an updated reference for your projects
- 4Review the README for context on each API's potential use cases
Ready-to-paste prompt git clone https://github.com/cporter202/API-mega-list && cd API-mega-list
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Topics
ai-tools
api
api-collection
api-directory
api-list
apify
artificial-intelligence
automation
awesome-list
data-collection
developer-resources
developer-tools
ecommerce
lead-generation
mcp
open-source
public-apis
real-estate
social-media
web-scraping
What's inside — free to inspect
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Read the entire source before you build — unlike paid marketplaces that hide it behind a buy button.