Paid call

The blob, as servednamed by its sha256

{
  "request": {
    "url": "https://api.onesource.io/api/chain/block-number?network=ethereum",
    "method": "GET",
    "input": {}
  },
  "unpaid": {
    "status": 402,
    "body": "{\"api_key_subscription\":{\"description\":\"Alternative to paying per call: a flat-rate monthly subscription authenticated with `Authorization: Bearer \\u003ckey\\u003e`. No wallet, stablecoin, or on-chain settlement required. Use this if the client cannot custody a private key, if billing must be invoiced, or if per-call pricing costs more than a flat fee at your volume.\",\"url\":\"https://onesource.io/rest-api#pricing\"},\"error\":\"Payment required\",\"meta\":{\"cost_usdc\":\"0.001\",\"endpoint\":\"/api/chain/block-number\",\"network\":\"eip155:8453\"}}\n"
  },
  "paid": {
    "status": 200,
    "headers": {
      "connection": "keep-alive",
      "content-length": "110",
      "content-type": "application/json",
      "date": "Mon, 31 Aug 2026 15:04:57 GMT",
      "payment-response": "eyJzdWNjZXNzIjp0cnVlLCJ0cmFuc2FjdGlvbiI6IjB4NDNiMGNiYjJjMjk4OTkxNGUwZDYzYzYyMmQ4NDI0N2RhODA0NWJiYjljNzQ5N2M3OWIzYzQyYTI3MDFiZGZhNSIsIm5ldHdvcmsiOiJlaXAxNTU6ODQ1MyJ9"
    },
    "body": "{\"data\":{\"result\":\"0x18ad648\"},\"meta\":{\"endpoint\":\"/api/chain/block-number\",\"request_id\":\"d16ed4a9b1abb1e6\"}}\n"
  }
}

Verify it yourself

curl -s https://api.teppi.xyz/v1/evidence/sha256:01e6d6d2daa75831bf5efe6b11bd0d0cf28db859c4591e1a064e9b137e7f892f | sha256sum

npx teppi-check https://api.onesource.io/api/chain/block-number?network=ethereum