# Frankfurter API

> Frankfurter API on Apizie: 4 endpoints (Latest rates, Rates on a date, Time series, Currencies) returned as clean JSON through one API key. 4 endpoints are live now. Call it over REST at https://apizie.tech/v1/finance:frankfurter/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

- Project key: `finance:frankfurter`
- Category: Finance
- Status: live
- Source: https://frankfurter.dev
- Page: https://apizie.tech/api/finance/frankfurter
- OpenAPI: https://apizie.tech/api/finance/frankfurter/openapi.json

Foreign exchange reference rates published by the European Central Bank, from 1999 to today.

## Endpoints

### Latest rates
`GET https://apizie.tech/v1/finance:frankfurter/latest`

| Parameter | Type | Required | Description |
|---|---|---|---|
| base | string | no |  |
| symbols | string | no |  |
| amount | number | no |  |

### Rates on a date
`GET https://apizie.tech/v1/finance:frankfurter/historical`

| Parameter | Type | Required | Description |
|---|---|---|---|
| date | string | yes |  |
| base | string | no |  |
| symbols | string | no |  |

### Time series
`GET https://apizie.tech/v1/finance:frankfurter/timeseries`

| Parameter | Type | Required | Description |
|---|---|---|---|
| start | string | yes |  |
| end | string | no |  |
| base | string | no |  |
| symbols | string | no |  |

### Currencies
`GET https://apizie.tech/v1/finance:frankfurter/currencies`

## Example
```
curl "https://apizie.tech/v1/finance:frankfurter/latest" \
  -H "x-api-key: $APIZIE_KEY"
```

## FAQ

### How do I call the Frankfurter API?
Create a free Apizie key, then send GET https://apizie.tech/v1/finance:frankfurter/latest with the header x-api-key. Every endpoint returns { project, data, timestamp }.

### Is the Frankfurter 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 Frankfurter API?
Yes. Add the Apizie MCP server (https://apizie.tech/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key finance:frankfurter.

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