API-mega-list: Instantly Access 500+ APIs for Startup Builders
A comprehensive, open-source directory of production-ready APIs that accelerates development across AI, web scraping, lead generation, and e-commerce. Perfect for founders looking to prototype faster.
5,744 stars1,122 forksJavaScriptUpdated 1/27/2026100% free · open source
What it does
Provides a curated, comprehensive list of production-ready APIs that founders can quickly browse and implement across multiple tech domains
When to use it
•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
Quick start
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
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
Quick Actions
Details
Creator
cporter202
Language
JavaScript
Category
mcp-server
Published
12/9/2025
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