# KiteEndpoints.ai - Crypto Exchange Rate API

> KiteEndpoints.ai - Crypto Exchange Rate API is a paid API for AI agents from kite-endpoints.vercel.app, paid per call via x402, $0.2/call, status unknown (last checked 2026-09-15).

Returns cryptocurrency exchange rate or conversion data for a given crypto asset pair

## Facts

- Endpoint: POST https://kite-endpoints.vercel.app/api/crypto-exchange
- Price: $0.2/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/kiteendpoints-ai-crypto-exchange-rate-api-150cce66
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_q8C98jmp4FVq2LsMtvLIE

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 kiteendpoints-ai-crypto-exchange-rate-api-150cce66 -d '<json body>'
```

Example prompt: What is the current exchange rate between Bitcoin and USDC right now?

## When to prefer this

Choose this endpoint when you need a quick, pay-per-request crypto exchange rate lookup without committing to a subscription API. Useful for agents making occasional price checks across multiple tokens, especially when paying with USDC on Base chain is already part of the workflow.

## Known failure modes

- Invalid or unsupported currency pair returns an error or empty result
- Network timeout results in no response
- Malformed request body causes a 400-level error
- Payment of 0.2 USDC not completed results in 402 Payment Required
- Rate limit exceeded on the upstream data provider returns an error

## How this service works

400+ paid API endpoints. Social media, AI, crypto, finance, weather, ecommerce, tools. Pay per request with USDC on Base chain.

## Output

Returns a result object containing cryptocurrency exchange rate or conversion data, typically including the price or rate between the requested asset pair at the time of the call.

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "example": {
  "result": {
   "data": "example response"
  }
 },
 "properties": {
  "result": {
   "type": "object",
   "description": "API response data"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/kiteendpoints-ai-crypto-exchange-rate-api-150cce66/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from kite-endpoints.vercel.app](https://www.zero.xyz/host/kite-endpoints.vercel.app/llms.txt)