# Authentication API

> Authentication API on Apizie: 1 endpoint (Request Authentication Token) returned as clean JSON through one API key. 1 endpoint is live now. Call it over REST at https://zieapi.vercel.app/v1/business:personio-de-authentication/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

- Project key: `business:personio-de-authentication`
- Category: Business
- Status: live
- Source: https://personio.de
- Page: https://zieapi.vercel.app/api/business/personio-de-authentication
- OpenAPI: https://zieapi.vercel.app/api/business/personio-de-authentication/openapi.json

Personio Authentication API

## Endpoints

### Request Authentication Token
`POST https://zieapi.vercel.app/v1/business:personio-de-authentication/post-auth`

| Parameter | Type | Required | Description |
|---|---|---|---|
| client_id | string | yes | Client id of the downloaded credentials file |
| client_secret | string | yes | Client secret of the downloaded credentials file |

## Example
```
curl "https://zieapi.vercel.app/v1/business:personio-de-authentication/post-auth" \
  -H "x-api-key: $APIZIE_KEY"
```

## FAQ

### How do I call the Authentication API?
Create a free Apizie key, then send POST https://zieapi.vercel.app/v1/business:personio-de-authentication/post-auth with the header x-api-key. Every endpoint returns { project, data, timestamp }.

### Is the Authentication 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 Authentication API?
Yes. Add the Apizie MCP server (https://zieapi.vercel.app/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key business:personio-de-authentication.

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