# Currency Exchange Rate Lookup

> Currency Exchange Rate Lookup is a paid API for AI agents from cravvoul.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-10).

Returns the exchange rate between two currencies, paid per-request in USDC via x402

## Facts

- Endpoint: POST https://cravvoul.vercel.app/api/rate?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-10
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/currency-exchange-rate-lookup-acb110ad
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_gfLWPLlSEvVzMrkp_Lqr4

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability currency-exchange-rate-lookup-acb110ad -d '<json body>'
```

Example prompt: What is the current exchange rate from USD to EUR?

## When to prefer this

Choose this endpoint when you need a quick, no-subscription, pay-per-request currency exchange rate lookup using x402 USDC payments, especially for AI agents that need on-demand forex data without managing API keys or subscriptions.

## Known failure modes

- Invalid or unsupported currency codes return an error or empty data
- Missing required 'from' or 'to' fields cause request failure
- Payment failure via x402 if insufficient USDC balance
- Service unavailability on the Vercel hosted endpoint

## How this service works

Web scraping and search for AI agents. No auth, no subscriptions. Pay per request in USDC via x402.

## Output

Returns a JSON object with a 'success' boolean and a 'data' object containing the exchange rate between the specified from and to currencies.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "to": {
   "type": "string",
   "description": "To currency"
  },
  "from": {
   "type": "string",
   "description": "From currency"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "data": {
   "type": "object"
  },
  "success": {
   "type": "boolean"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/currency-exchange-rate-lookup-acb110ad/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from cravvoul.vercel.app](https://www.zero.xyz/host/cravvoul.vercel.app/llms.txt)