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I Turned 1,460+ Public Apis Into A Searchable Json Endpoint

I kept running into the same small problem while building frontend demos, hackathon projects, and prototype apps:

I needed free APIs to test with, but finding the right one usually meant scrolling through long GitHub lists, checking whether each API needed authentication, checking HTTPS support, and checking CORS manually.

So I turned a public API directory into a searchable JSON endpoint.

The result is a small REST API with 1,460+ public APIs that can be queried by category, authentication type, HTTPS support, CORS support, or randomly when you just need an idea.

What it does

The API lets you search public APIs programmatically.

Useful when you want to quickly find APIs for:

frontend demos
weekend projects
hackathons
coding tutorials
AI agents that need API discovery
testing fetch requests
building example apps

Base URL

https://free-api-directory-nxmezfwbj-kawinthorn11-7692s-projects.vercel.app

1. Get all categories

const res = await fetch(  
  "https://free-api-directory-nxmezfwbj-kawinthorn11-7692s-projects.vercel.app/categories"  
);  
  
const data = await res.json();  
  
console.log(data.categories);

Example response shape:

{  
  "count": 51,  
  "categories": [  
    "Animals",  
    "Anime",  
    "Authentication & Authorization",  
    "Blockchain",  
    "Business",  
    "Calendar",  
    "Development",  
    "Finance",  
    "Games & Comics",  
    "Programming",  
    "Security",  
    "Test Data",  
    "Weather"  
  ]  
}

2. Search APIs by category

For example, find Weather APIs:

const res = await fetch(  
  "https://free-api-directory-nxmezfwbj-kawinthorn11-7692s-projects.vercel.app/entries?category=Weather"  
);  
  
const data = await res.json();  
  
console.log(data.count);  
console.log(data.entries);

You can also filter by CORS support:

const res = await fetch(  
  "https://free-api-directory-nxmezfwbj-kawinthorn11-7692s-projects.vercel.app/entries?category=Weather&cors=yes"  
);  
  
const data = await res.json();  
  
console.log(data.entries);

This is useful for frontend developers because CORS support matters when building browser-based demos.

3. Find APIs that do not require auth

Sometimes you just want an API you can use immediately without creating an account.

const res = await fetch(  
  "https://free-api-directory-nxmezfwbj-kawinthorn11-7692s-projects.vercel.app/entries?auth=No&https=true"  
);  
  
const data = await res.json();  
  
console.log(data.count);  
console.log(data.entries);

This is useful when you want an API for a quick demo without managing API keys.

4. Get a random API idea

const res = await fetch(  
  "https://free-api-directory-nxmezfwbj-kawinthorn11-7692s-projects.vercel.app/random"  
);  
  
const data = await res.json();  
  
console.log(data.entries[0]);

You can also restrict random results by category:

const res = await fetch(  
  "https://free-api-directory-nxmezfwbj-kawinthorn11-7692s-projects.vercel.app/random?category=Weather"  
);  
  
const data = await res.json();  
  
console.log(data.entries[0]);

Available endpoints

GET /categories  
GET /entries  
GET /entries?category=Weather&cors=yes  
GET /entries?auth=No&https=true  
GET /random  
GET /random?category=Weather

Example response item

{  
  "API": "Open-Meteo",  
  "Description": "Global weather forecast API for non-commercial use",  
  "Auth": "No",  
  "HTTPS": true,  
  "Cors": "Yes",  
  "Link": "https://open-meteo.com/",  
  "Category": "Weather"  
}