# Magnum.ai Tensor API Endpoint

> Magnum.ai Tensor API Endpoint is a paid API for AI agents from magnum-ai-flame.vercel.app, paid per call via x402, $0.15/call, status unknown (last checked 2026-10-11).

Pay-per-call tensor computation or ML inference endpoint accessible via x402 micropayments on Base chain

## Facts

- Endpoint: POST https://magnum-ai-flame.vercel.app/api/tensor?utm_source=zero.xyz
- Price: $0.15/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/magnum-ai-tensor-api-endpoint-3ba9af89
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_yVmT-mxxYmwFWcMxwsqzv

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-tensor-api-endpoint-3ba9af89 -d '<json body>'
```

Example prompt: Send a tensor computation request to the Magnum.ai tensor endpoint on Base — I need to process this result object and get back the computed response, paying $0.15 USDC per call via x402.

## When to prefer this

Use this endpoint when you need on-demand tensor computation or ML inference accessible via x402 micropayments on the Base blockchain, and want a pay-per-call model without subscription commitments. Prefer this when integrating with Base chain payment flows.

## Known failure modes

- Insufficient USDC balance causes x402 payment failure and 402 response
- Malformed result object in request body returns validation error
- Base chain congestion delays payment settlement
- Endpoint unavailable on Vercel deployment returns 503
- Invalid x402 payment header causes authentication failure
- Rate limiting if too many rapid calls

## How this service works

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

## Output

A JSON object containing a 'result' field with the API response data from the tensor computation or inference operation.

## 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-tensor-api-endpoint-3ba9af89/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)