# FreeResource Directory API

> FreeResource Directory API is a paid API for AI agents from devices-interface-hull-man.trycloudflare.com, paid per call via x402, $0.01/call, status down (last checked 2026-10-23).

Returns a curated directory of free-tier APIs and resources for agents, including no-key blockchain APIs, AI free tiers, no-CAPTCHA faucets, and zero-cost marketplaces

## Facts

- Endpoint: GET https://devices-interface-hull-man.trycloudflare.com/query?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: down
- Last checked: 2026-10-23
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/freeresource-directory-api-e9712d4f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_mM4hPBi0dOUrEqbmOnzz3

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability freeresource-directory-api-e9712d4f
```

Example prompt: Can you query the FreeResource Directory to find me no-key blockchain APIs and no-CAPTCHA faucets I can use for my agent without signing up for anything?

## When to prefer this

Choose this endpoint when an agent needs to discover free, no-registration-required APIs and resources — especially blockchain RPC endpoints, AI APIs with free tiers, or faucets — without having to crawl multiple sites. Prefer this over manual web searches when you need a curated, agent-optimized directory of zero-cost resources.

## Known failure modes

- Missing required 'method' field returns 400 error
- Invalid method value may return empty results or error
- Cloudflare tunnel may be unavailable causing 502/503
- Payment not processed correctly causing 402 response
- Rate limiting or abuse detection from Cloudflare

## How this service works

Curated free-tier API & resource directory for agents: no-key blockchain APIs, AI free tiers, no-CAPTCHA faucets, zero-cost marketplaces. Free preview at /preview.

## Output

A curated list of free-tier API resources including no-key blockchain APIs, AI service free tiers, no-CAPTCHA faucets, and zero-cost marketplaces, filtered or categorized by the query method provided.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "method"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "method": {
     "type": "string"
    },
    "headers": {
     "type": "object"
    },
    "queryParams": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/freeresource-directory-api-e9712d4f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from devices-interface-hull-man.trycloudflare.com](https://www.zero.xyz/host/devices-interface-hull-man.trycloudflare.com/llms.txt)
