# XE Popular Currency Pairings API

> Get popular currency pairings for a base currency with real-time rates and trend data including rate change, percentage change, and direction. Returns the most commonly tracked pairs from the given base.

Source: https://www.sandbase.ai/apis/xe/popular-currency-pairings
API reference: https://www.sandbase.ai/apis/xe/popular-currency-pairings#api

## Facts

- Provider: XE
- Type: Data API
- Endpoint: `POST https://api.sandbase.ai/v1/api/xe/popular-currency-pairings`
- Price: $0.03 per call
- Capabilities: api, xe, finance, forex
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

`POST https://api.sandbase.ai/v1/api/xe/popular-currency-pairings` with `Authorization: Bearer $SANDBASE_API_KEY` and the parameters as a JSON body.

| Parameter | Type | Required | Allowed values |
| --- | --- | --- | --- |
| `base` | string | no |  |

## FAQ

### How do I use the XE Popular Currency Pairings API?

Send a POST request to https://api.sandbase.ai/v1/api/xe/popular-currency-pairings 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 XE Popular Currency Pairings API cost?

$0.03 per call, billed from your SandBase balance. You are only charged for calls you make; there is no subscription.

### What parameters does the XE Popular Currency Pairings API accept?

No parameters are required. Optional: base (string). The Parameters table and the Playground on this page list every field.

### What does the XE Popular Currency Pairings API return?

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

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

No. XE Popular Currency Pairings 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 XE API access separately.

## README

### XE Popular Currency Pairings API

Get popular currency pairings for a base currency with real-time rates and trend data including rate change, percentage change, and direction. Returns the most commonly tracked pairs from the given base.

#### Request

```bash
curl -X POST "https://api.sandbase.ai/v1/run" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "xe/popular-currency-pairings", "base": "USD"}'
```

The result is returned in `outputs[0].data`.

#### Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `base` | string | No | Base currency code. Supports all codes returned by get_currency_symbols. |

#### Pricing

Flat $0.03 per call. Failed calls are not charged.