# BaseBuilder Crypto – Coinranking1 Endpoint

> BaseBuilder Crypto – Coinranking1 Endpoint is a paid API for AI agents from bb-crypto.vercel.app, paid per call via x402, $0.108513/call, status unknown (last checked 2026-09-14).

Proxies a Coinranking cryptocurrency data request, returning crypto market data such as rankings, prices, or coin statistics via a paid x402 API.

## Facts

- Endpoint: POST https://bb-crypto.vercel.app/api/coinranking1
- Price: $0.108513/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/basebuilder-crypto-coinranking1-endpoint-8373dfb2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_2CBflj3_omErmoDjce1tb

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 basebuilder-crypto-coinranking1-endpoint-8373dfb2 -d '<json body>'
```

Example prompt: Can you pull the current cryptocurrency rankings from Coinranking and show me the top coins by market cap right now?

## When to prefer this

Choose this endpoint when you need programmatic access to Coinranking cryptocurrency data via a pay-per-call x402 micropayment model, especially when you want real-time coin rankings or prices without a long-term API subscription. It suits agents that need on-demand crypto market data with USDC-based billing.

## Known failure modes

- 402 Payment Required if USDC payment is not provided or insufficient
- Invalid or missing query parameters causing a 400 error
- Upstream Coinranking API outage resulting in a 502 or 503 response
- Malformed POST body leading to parsing errors
- Rate limiting or quota exhaustion from the underlying Coinranking API

## How this service works

BaseBuilder Crypto API hub - 26 paid endpoints

## Output

A JSON response containing cryptocurrency ranking data sourced from Coinranking — typically including coin names, symbols, prices, market caps, and rank positions — returned after a successful x402 micropayment.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/basebuilder-crypto-coinranking1-endpoint-8373dfb2/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from bb-crypto.vercel.app](https://www.zero.xyz/host/bb-crypto.vercel.app/llms.txt)