# FreeTier Agent API — Full Verified APIs Dataset

> FreeTier Agent API — Full Verified APIs Dataset is a paid API for AI agents from freetier-agent-api.pages.dev, paid per call via x402, $8/call, status unknown (last checked 2026-10-18).

Returns the complete dataset of 2,230 verified public APIs with metadata, licensed under CC BY 4.0, for agent discovery and integration planning.

## Facts

- Endpoint: GET https://freetier-agent-api.pages.dev/api/dataset/full?utm_source=zero.xyz
- Price: $8/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-18
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/freetier-agent-api-full-verified-apis-dataset-78605561
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_kPSIuxNmk5a9i2ywDpR4q

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 freetier-agent-api-full-verified-apis-dataset-78605561
```

Example prompt: Give me the full dataset of all 2,230 verified public APIs so I can browse what's available and pick the right ones to integrate into my project.

## When to prefer this

Choose this endpoint when you need a broad, pre-verified catalog of 2,230 public APIs with licensing metadata in a single call. Ideal for agent bootstrapping, API discovery pipelines, or building a developer directory. Prefer this over web scraping API lists because the dataset is curated, verified, and comes with citation sources. The x402/USDC pay-per-call model means no signup friction for agents.

## Known failure modes

- Payment not received or insufficient USDC — returns HTTP 402 with payment required details
- Invalid filter properties in query — may return empty rows or schema error
- Network timeout on large dataset retrieval
- Rate limiting or access restriction if payment fails on Base network

## How this service works

Pay-per-call data API for AI agents: AI model prices and cost calculator, 4,259 MCP servers, email domain checks, text-to-JSON extraction, country/holiday/currency lookup, page and link checks, page-to-markdown, 2,230 verified APIs. x402, USDC on Base, no signup. Sources cited in every response.

## Output

A JSON object containing an array of rows (up to 2,230 API records with metadata), a count field (2230), and a license field indicating 'CC BY 4.0 (compilation) + MIT (public-apis source)'. Each row describes a verified public API with relevant attributes.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "required": {
   "type": "string"
  },
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "rows": [],
  "count": 2230,
  "license": "CC BY 4.0 (compilation) + MIT (public-apis source)"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/freetier-agent-api-full-verified-apis-dataset-78605561/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from freetier-agent-api.pages.dev](https://www.zero.xyz/host/freetier-agent-api.pages.dev/llms.txt)