# ApexAPI Crypto Currency Converter

> ApexAPI Crypto Currency Converter is a paid API for AI agents from apex-api-gamma.vercel.app, paid per call via x402, $0.178097/call, status unknown (last checked 2026-09-13).

Converts between cryptocurrency pairs or calculates crypto conversion values using a search-style query

## Facts

- Endpoint: POST https://apex-api-gamma.vercel.app/api/crypto/convert
- Price: $0.178097/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/apexapi-crypto-currency-converter-6b657d42
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_7RnyVZ7nDKltS0j3vY2AV

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 apexapi-crypto-currency-converter-6b657d42 -d '<json body>'
```

Example prompt: How much Ethereum would I get if I convert 1 Bitcoin right now?

## When to prefer this

Use this endpoint when you need a quick, pay-per-call crypto conversion without setting up API keys. Ideal for agents that need on-demand cryptocurrency conversion values across a broad range of crypto pairs, billed in USDC on Base.

## Known failure modes

- Unsupported currency pair returns an error or empty result
- Malformed query string fails to parse correctly and returns an error
- Payment of 0.178097 USDC not received results in 402 Payment Required
- Downstream price feed unavailable causes 503 or stale data response
- Ambiguous query may return unexpected conversion direction or pair

## How this service works

Crypto, AI, Social Media, Finance, Weather, Tools &amp; more. Pay per call in USDC on Base. No API keys.

## Output

Returns the converted cryptocurrency amount and/or exchange rate between the specified crypto pair, based on the query provided.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "description": "Search query or input parameter"
  }
 }
}
```

## Response schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/apexapi-crypto-currency-converter-6b657d42/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from apex-api-gamma.vercel.app](https://www.zero.xyz/host/apex-api-gamma.vercel.app/llms.txt)