# Magnum.ai OpenSea Endpoint 15

> Magnum.ai OpenSea Endpoint 15 is a paid API for AI agents from magnum-ai-flame.vercel.app, paid per call via x402, $0.12/call, status unknown (last checked 2026-10-22).

Provides pay-per-call access to OpenSea NFT marketplace data or actions via the 15th OpenSea-related endpoint in the Magnum.ai API marketplace, billed at $0.12 USDC per call on Base chain.

## Facts

- Endpoint: POST https://magnum-ai-flame.vercel.app/api/opensea15?utm_source=zero.xyz
- Price: $0.12/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-22
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/magnum-ai-opensea-endpoint-15-8a029ed6
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_leZgDTO70xGMJ833keUaI

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-opensea-endpoint-15-8a029ed6 -d '<json body>'
```

Example prompt: Pull OpenSea NFT marketplace data for me using the Magnum.ai opensea15 endpoint — I need the result back as JSON and I'm okay with the $0.12 USDC per-call fee on Base.

## When to prefer this

Choose this endpoint when you need programmatic access to OpenSea NFT data and want to pay per-call in USDC on Base chain via the x402 protocol, without managing a direct OpenSea API key subscription.

## Known failure modes

- Payment failure if insufficient USDC balance on Base chain
- 402 Payment Required if x402 payment header is missing or invalid
- Invalid or malformed request body returns error
- OpenSea upstream API unavailability causes failure
- Rate limiting or quota exceeded on the underlying OpenSea endpoint

## How this service works

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

## Output

Returns a JSON object with a 'result' field containing the OpenSea API response data for the requested query.

## 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-opensea-endpoint-15-8a029ed6/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)