# Federal Register API

> Federal Register API on Apizie: 1 endpoint (Search documents) returned as clean JSON through one API key. 1 endpoint is live now. Call it over REST at https://www.apizie.tech/v1/open-data:federal-register/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

- Project key: `open-data:federal-register`
- Category: Open Data
- Status: live
- Source: https://www.federalregister.gov/developers/documentation/api/v1
- Page: https://www.apizie.tech/api/open-data/federal-register
- OpenAPI: https://www.apizie.tech/api/open-data/federal-register/openapi.json

Daily journal of the US government: rules, proposed rules, notices and executive orders.

## Endpoints

### Search documents
`GET https://www.apizie.tech/v1/open-data:federal-register/documents`

| Parameter | Type | Required | Description |
|---|---|---|---|
| term | string | yes |  |
| perPage | integer | no | Number of results |
| type | string | no |  |

## Example
```
curl "https://www.apizie.tech/v1/open-data:federal-register/documents" \
  -H "x-api-key: $APIZIE_KEY"
```

## FAQ

### How do I call the Federal Register API?
Create a free Apizie key, then send GET https://www.apizie.tech/v1/open-data:federal-register/documents with the header x-api-key. Every endpoint returns { project, data, timestamp }.

### Is the Federal Register API free on Apizie?
Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card.

### Can AI agents use the Federal Register API?
Yes. Add the Apizie MCP server (https://www.apizie.tech/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key open-data:federal-register.

### What is the status of the Federal Register API?
Live: works with just an Apizie key