Mistral AI via Spawnpay

Mistral Large / Medium / Small models — European LLM provider — behind one Spawnpay key with USDC billing.

Why route through Spawnpay

Agents that need a EU-data-resident LLM fallback. Multi-model A/B with one bill. Cheaper-than-OpenAI workloads with a shared budget.

Endpoint

curl

curl -X POST https://spawnpay.ai/api/proxy \
  -H 'Authorization: Bearer spk_live_…' \
  -H 'X-Provider-Key: $MISTRAL_KEY' \
  -H 'Content-Type: application/json' \
  -d '{
  "provider": "mistral",
  "path": "/v1/chat/completions",
  "method": "POST",
  "body": {
    "model": "mistral-small-latest",
    "messages": [
      {
        "role": "user",
        "content": "hello"
      }
    ]
  }
}'

Node (spawnpay-paywall)

import { proxy } from 'spawnpay-paywall';

const out = await proxy({
  "provider": "mistral",
  "path": "/v1/chat/completions",
  "method": "POST",
  "body": {
    "model": "mistral-small-latest",
    "messages": [
      {
        "role": "user",
        "content": "hello"
      }
    ]
  },
  "providerKey": process.env.MISTRAL_KEY
});

console.log(out.status, out.body);
console.log('charged', out.charged); // txHash + $0.001 USDC receipt

What you get back

The full upstream JSON body, the upstream status code, the upstream response headers, plus a charged field with the USDC receipt (tx hash) when the call succeeded.