# Blockbuster.ai CoinMarketCap Listing

> Blockbuster.ai CoinMarketCap Listing is a paid API for AI agents from blockbuster-ai.vercel.app, paid per call via x402, $0.07/call, status unknown (last checked 2026-10-17).

Retrieves CoinMarketCap cryptocurrency listing data for a given query via a paid micropayment-gated API proxy

## Facts

- Endpoint: POST https://blockbuster-ai.vercel.app/api/coinmarketcap-listing?utm_source=zero.xyz
- Price: $0.07/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-17
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/blockbuster-ai-coinmarketcap-listing-3c87d091
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_viRXWO0fvu6dfErjxPTYz

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 blockbuster-ai-coinmarketcap-listing-3c87d091 -d '<json body>'
```

Example prompt: Pull the CoinMarketCap listing data for Ethereum — I want to see its market cap, rank, and other listing details from CMC.

## When to prefer this

Use this endpoint when you need CoinMarketCap listing data for a cryptocurrency without managing a direct CMC API key, and you prefer pay-per-call micropayments via x402 on Base chain. Best for agents that need occasional crypto listing lookups without subscription overhead.

## Known failure modes

- Invalid or unrecognized query string returns empty or error data
- Payment failure via x402 micropayment results in 402 response blocking access
- CoinMarketCap upstream API outage causes degraded or failed response
- Missing query parameter results in a validation error
- Rate limits or quota exceeded on the underlying CoinMarketCap API

## How this service works

115+ premium paid endpoints: Social Media, AI/ML, E-commerce, Finance, Data Intelligence, Media, Tools. x402 micropayments on Base chain.

## Output

Returns a JSON object with CoinMarketCap listing data for the queried cryptocurrency, including market cap, price, rank, supply figures, and other coin metadata available from the CMC listing endpoint.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "description": "Input parameter for the API call"
  }
 }
}
```

## 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/blockbuster-ai-coinmarketcap-listing-3c87d091/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from blockbuster-ai.vercel.app](https://www.zero.xyz/host/blockbuster-ai.vercel.app/llms.txt)