# FRED category API

> category from FRED. Returns the official FRED API response unchanged.

Source: https://www.sandbase.ai/apis/fred/category
API reference: https://www.sandbase.ai/apis/fred/category/docs

## Facts

- Provider: FRED
- Type: Data API
- Endpoint: `POST https://api.sandbase.ai/v1/api/fred/category`
- Price: $0 per call
- Free allowance: 100 calls per organization per UTC day, shared across eligible APIs
- Capabilities: api, fred, economic data
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

`POST https://api.sandbase.ai/v1/api/fred/category` with `Authorization: Bearer $SANDBASE_API_KEY` and the parameters as a JSON body.

| Parameter | Type | Required | Allowed values |
| --- | --- | --- | --- |
| `category_id` | integer | no |  |
| `file_type` | string | no | json |

## FAQ

### How do I use the FRED category API?

Send a POST request to https://api.sandbase.ai/v1/api/fred/category with your SandBase API key in the Authorization header (Bearer) and the parameters as a JSON body. You can also try it in the Playground on this page without writing code.

### How much does the FRED category API cost?

$0 per call. Every organization gets 100 free calls per UTC day, shared across eligible SandBase APIs including this one; after that each call is billed at this price from your SandBase balance. There is no subscription.

### What parameters does the FRED category API accept?

No parameters are required. Optional: category_id (integer) and file_type (one of json). The Parameters table and the Playground on this page list every field.

### What does the FRED category API return?

A JSON response returned in the same HTTP request (synchronous).

### Do I need a FRED developer account or API key?

No. FRED category runs through SandBase, so one SandBase API key covers this endpoint and every other API and model in the catalog. You do not need to apply for FRED API access separately.

## README

### FRED category API

category from FRED. Returns the official FRED API response unchanged.

The response is the official FRED API response, unchanged.

#### Request

```bash
curl -X POST "https://api.sandbase.ai/v1/run" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "fred/category", "file_type": "json"}'
```

#### Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `category_id` | integer | No | The id for a category. integer, default: 0 (root category) |
| `file_type` | string | No | Response format. Only json is supported. |

#### Pricing

Flat price per call. Failed calls are not charged.