# FRED API

> FRED API on Apizie: 10 endpoints (Category, Observations Vintage, Release Dates, Releases, …) returned as clean JSON through one API key. 10 endpoints are live now. Call it over REST at https://apizie.tech/v1/finance:fred/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

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

US and international economic time series from the Federal Reserve Bank of St. Louis (requires a free FRED API key on the server).

## Endpoints

### Category
`GET https://apizie.tech/v1/finance:fred/category`

| Parameter | Type | Required | Description |
|---|---|---|---|
| category | integer | no | Category id (0 = root) |
| page | integer | no |  |

### Observations Vintage
`GET https://apizie.tech/v1/finance:fred/observations-vintage`

| Parameter | Type | Required | Description |
|---|---|---|---|
| series | string | no | FRED series id |
| vintages | string | no | Comma-separated vintage dates |
| from | string | no |  |
| to | string | no |  |
| length | integer | no |  |

### Release Dates
`GET https://apizie.tech/v1/finance:fred/release-dates`

| Parameter | Type | Required | Description |
|---|---|---|---|
| from | string | no |  |
| to | string | no |  |
| release | integer | no | Release id |
| year | integer | no |  |
| page | integer | no |  |

### Releases
`GET https://apizie.tech/v1/finance:fred/releases`

| Parameter | Type | Required | Description |
|---|---|---|---|
| page | integer | no |  |
| query | string | no | Filter by release name |

### Series Observations
`GET https://apizie.tech/v1/finance:fred/series-observations`

| Parameter | Type | Required | Description |
|---|---|---|---|
| series | string | no | FRED series id |
| from | string | no |  |
| to | string | no |  |
| transformation | string | no |  |
| frequency | string | no |  |
| aggregation | string | no |  |
| length | integer | no | Keep only the latest N observations |

### Series Search
`GET https://apizie.tech/v1/finance:fred/series-search`

| Parameter | Type | Required | Description |
|---|---|---|---|
| query | string | yes |  |
| page | integer | no |  |
| sort | string | no |  |

### Series
`GET https://apizie.tech/v1/finance:fred/series`

| Parameter | Type | Required | Description |
|---|---|---|---|
| series | string | no | FRED series id |

### Sources
`GET https://apizie.tech/v1/finance:fred/sources`

| Parameter | Type | Required | Description |
|---|---|---|---|
| page | integer | no |  |
| query | string | no |  |

### Tags
`GET https://apizie.tech/v1/finance:fred/tags`

| Parameter | Type | Required | Description |
|---|---|---|---|
| page | integer | no |  |

### Vintage Dates
`GET https://apizie.tech/v1/finance:fred/vintage-dates`

| Parameter | Type | Required | Description |
|---|---|---|---|
| series | string | no | FRED series id |
| length | integer | no | Keep only the latest N dates |

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

## FAQ

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

### Is the FRED 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 FRED 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:fred.

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