# Magnum.ai CoinRanking Cryptocurrency Data Endpoint

> Magnum.ai CoinRanking Cryptocurrency Data Endpoint is a paid API for AI agents from magnum-ai-flame.vercel.app, paid per call via x402, $0.08/call, status unknown (last checked 2026-09-13).

Provides cryptocurrency ranking and market data via a pay-per-call API endpoint powered by x402 payments on Base chain

## Facts

- Endpoint: POST https://magnum-ai-flame.vercel.app/api/coinranking1
- Price: $0.08/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/magnum-ai-coinranking-cryptocurrency-data-endpoint-fb0a53a2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_2i1FReLBirpVLEgfRLAHw

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 magnum-ai-coinranking-cryptocurrency-data-endpoint-fb0a53a2 -d '<json body>'
```

Example prompt: Can you pull the current top cryptocurrency rankings and market data for me — I want to see which coins are leading by market cap right now?

## When to prefer this

Use this endpoint when you need cryptocurrency ranking and market data and are operating in an x402 payment-enabled environment on Base chain, especially when integrating into automated agent workflows where pay-per-call microtransactions are preferable to subscription billing

## Known failure modes

- Payment failure if USDC balance insufficient on Base chain — returns 402 Payment Required
- Invalid or missing request body — returns 400 Bad Request
- CoinRanking upstream API unavailable — returns 502 Bad Gateway
- Rate limiting or quota exceeded — returns 429 Too Many Requests

## How this service works

Pay-per-call API marketplace with 150 endpoints powered by x402 payments on Base chain.

## Output

Returns a result object containing cryptocurrency ranking and market data from CoinRanking, including coin prices, market caps, and related metrics as structured JSON

## 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/magnum-ai-coinranking-cryptocurrency-data-endpoint-fb0a53a2/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from magnum-ai-flame.vercel.app](https://www.zero.xyz/host/magnum-ai-flame.vercel.app/llms.txt)