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": "{\"x402Version\":2,\"resource\":{\"url\":\"https://api.onesource.io/api/chain/block-number?network=ethereum\",\"description\":\"Latest Ethereum block height - current chain tip via eth_blockNumber\",\"mimeType\":\"application/json\"},\"accepts\":[{\"scheme\":\"exact\",\"network\":\"eip155:8453\",\"asset\":\"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\",\"currency\":\"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\",\"amount\":\"1000\",\"maxAmountRequired\":\"1000\",\"payTo\":\"0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea\",\"recipient\":\"0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea\",\"maxTimeoutSeconds\":3600,\"extra\":{\"credentialTypes\":[\"authorization\"],\"name\":\"USD Coin\",\"version\":\"2\"}},{\"scheme\":\"batch-settlement\",\"network\":\"eip155:8453\",\"asset\":\"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\",\"currency\":\"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\",\"amount\":\"1000\",\"maxAmountRequired\":\"1000\",\"payTo\":\"0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea\",\"recipient\":\"0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea\",\"maxTimeoutSeconds\":3600,\"extra\":{\"name\":\"USD Coin\",\"receiverAuthorizer\":\"0x11dF9F6280632aB8F12926b3f569E493EaEcf81b\",\"version\":\"2\",\"withdrawDelay\":86400}}],\"extensions\":{\"bazaar\":{\"info\":{\"input\":{\"method\":\"GET\",\"queryParams\":{\"network\":\"ethereum\"},\"type\":\"http\"},\"output\":{\"example\":{\"data\":{\"result\":\"0x133da1e\"},\"meta\":{\"cost_usdc\":\"0.001\",\"endpoint\":\"/api/chain/block-number\",\"payment_chain\":\"base\",\"payment_token\":\"USDC\",\"request_id\":\"00000000abcdef01\"}},\"type\":\"json\"}},\"schema\":{\"$schema\":\"https://json-schema.org/draft/2020-12/schema\",\"properties\":{\"input\":{\"additionalProperties\":false,\"properties\":{\"method\":{\"enum\":[\"GET\",\"HEAD\",\"DELETE\"],\"type\":\"string\"},\"queryParams\":{\"properties\":{\"network\":{\"default\":\"ethereum\",\"enum\":[\"ethereum\",\"sepolia\",\"robinhood\"],\"type\":\"string\"}},\"type\":\"object\"},\"type\":{\"const\":\"http\",\"type\":\"string\"}},\"required\":[\"type\",\"method\"],\"type\":\"object\"},\"output\":{\"properties\":{\"example\":{\"properties\":{\"data\":{\"description\":\"Endpoint-specific response payload\",\"properties\":{\"result\":{\"type\":\"string\"}},\"type\":\"object\"},\"error\":{\"properties\":{\"code\":{\"type\":\"integer\"},\"message\":{\"type\":\"string\"}},\"type\":[\"object\",\"null\"]},\"meta\":{\"properties\":{\"cost_usdc\":{\"type\":\"string\"},\"endpoint\":{\"type\":\"string\"},\"payment_chain\":{\"type\":\"string\"},\"payment_token\":{\"type\":\"string\"},\"request_id\":{\"type\":\"string\"}},\"required\":[\"endpoint\",\"request_id\"],\"type\":\"object\"}},\"required\":[\"data\",\"meta\"],\"type\":\"object\"},\"type\":{\"type\":\"string\"}},\"required\":[\"type\"],\"type\":\"object\"}},\"required\":[\"input\"],\"type\":\"object\"}}},\"error\":\"Payment required\",\"meta\":{\"cost_usdc\":\"0.001\",\"endpoint\":\"/api/chain/block-number\",\"network\":\"eip155:8453\"},\"payment_rails\":[{\"assets\":[\"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\"],\"chain\":\"eip155:8453\",\"rail\":\"x402\",\"recipient\":\"0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea\"},{\"assets\":[\"0x20c000000000000000000000b9537d11c60e8b50\",\"0x20c0000000000000000000000000000000000000\"],\"chain\":\"tempo:4217\",\"rail\":\"mpp\",\"recipient\":\"0x19B8e99079A5558ff4460357b0a78e14a7F600B7\"}],\"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\"}}\n"
},
"paid": {
"status": 200,
"headers": {
"connection": "keep-alive",
"content-length": "110",
"content-type": "application/json",
"date": "Mon, 31 Aug 2026 23:54:21 GMT",
"payment-response": "eyJzdWNjZXNzIjp0cnVlLCJ0cmFuc2FjdGlvbiI6IjB4ZTc0MWM2MTUwMDcxYjFjMTlhZTRkZGFhNzlmYzk4ODVkZGIxYTg5MGY0NWIwYWFiZDA0ZTY0ZjdlM2MwMmU5ZSIsIm5ldHdvcmsiOiJlaXAxNTU6ODQ1MyJ9"
},
"body": "{\"data\":{\"result\":\"0x18ae093\"},\"meta\":{\"endpoint\":\"/api/chain/block-number\",\"request_id\":\"dee45189237d9e00\"}}\n"
}
}Verify it yourself
curl -s https://api.teppi.xyz/v1/evidence/sha256:d1eb513c403c740e76da0a1e3471d31f9d2a1f5b0ad1d771007351855cc5f7b7 | sha256sumnpx teppi-check https://api.onesource.io/api/chain/block-number?network=ethereum