SERVICE / DETAILother

Unnamed service

GET api.onesource.io/api/chain/block-number

OPEN SERVICE ↗

SONAR SCORE0.770

LIVE PRICE0.001000

BAZAAR LIVEcompatible

CDP INDEXEDno

DECISION EVIDENCE

Why an agent can trust this route.

50 observations in the last 24h

HANDSHAKE SUCCESS98.0%402 challenge reachable

PAID DELIVERY0.0%settlement observed

P90 LATENCY2248msrecent response window

PRICE DRIFT0.0%advertised vs observed

Sonar evidence is advisory. Paid delivery is shown as verified only when paid probes are available; otherwise route estimates use the unpaid handshake as a clearly labeled proxy.

SONAR PROBE HISTORY / 30D

Observed outcomes

JSON ↗

LIVE ENDPOINT METADATA

Latest Ethereum block height - current chain tip via eth_blockNumber

Resource: api.onesource.io/api/chain/block-number

Network: eip155:8453 · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Pay to: 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea

Payment methods: — · Last validation: 2026-09-14 10:00:13.277+00

{
  "input": {
    "type": "object",
    "required": [
      "type",
      "method"
    ],
    "properties": {
      "type": {
        "type": "string",
        "const": "http"
      },
      "method": {
        "enum": [
          "GET",
          "HEAD",
          "DELETE"
        ],
        "type": "string"
      },
      "queryParams": {
        "type": "object",
        "properties": {
          "network": {
            "enum": [
              "ethereum",
              "sepolia",
              "robinhood"
            ],
            "type": "string",
            "default": "ethereum"
          }
        }
      }
    },
    "additionalProperties": false
  },
  "output": {
    "type": "object",
    "required": [
      "type"
    ],
    "properties": {
      "type": {
        "type": "string"
      },
      "example": {
        "type": "object",
        "required": [
          "data",
          "meta"
        ],
        "properties": {
          "data": {
            "type": "object",
            "properties": {
              "result": {
                "type": "string"
              }
            },
            "description": "Endpoint-specific response payload"
          },
          "meta": {
            "type": "object",
            "required": [
              "endpoint",
              "request_id"
            ],
            "properties": {
              "endpoint": {
                "type": "string"
              },
              "cost_usdc": {
                "type": "string"
              },
              "request_id": {
                "type": "string"
              },
              "payment_chain": {
                "type": "string"
              },
              "payment_token": {
                "type": "string"
              }
            }
          },
          "error": {
            "type": [
              "object",
              "null"
            ],
            "properties": {
              "code": {
                "type": "integer"
              },
              "message": {
                "type": "string"
              }
            }
          }
        }
      }
    }
  },
  "paymentRequirements": [
    {
      "raw": {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2",
          "credentialTypes": [
            "authorization"
          ]
        },
        "payTo": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
        "amount": "1000",
        "scheme": "exact",
        "network": "eip155:8453",
        "currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "recipient": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
        "maxAmountRequired": "1000",
        "maxTimeoutSeconds": 3600
      },
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "payTo": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
      "scheme": "exact",
      "network": "eip155:8453",
      "amountAtomic": "1000"
    },
    {
      "raw": {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2",
          "withdrawDelay": 86400,
          "receiverAuthorizer": "0x11dF9F6280632aB8F12926b3f569E493EaEcf81b"
        },
        "payTo": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
        "amount": "1000",
        "scheme": "batch-settlement",
        "network": "eip155:8453",
        "currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "recipient": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
        "maxAmountRequired": "1000",
        "maxTimeoutSeconds": 3600
      },
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "payTo": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
      "scheme": "batch-settlement",
      "network": "eip155:8453",
      "amountAtomic": "1000"
    }
  ]
}

METADATA PROVENANCE

Source catalog records are retained separately from live endpoint observations. Sonar score, uptime, and latency are advisory metrics. CDP indexing is not inferred from validation.