SERVICE / DETAILother
Unnamed service
GET api.onesource.io/api/chain/events
SONAR SCORE0.721
LIVE PRICE0.005000
BAZAAR LIVEcompatible
CDP INDEXEDno
DECISION EVIDENCE
49 observations in the last 24hWhy an agent can trust this route.
HANDSHAKE SUCCESS95.9%402 challenge reachable
PAID DELIVERY0.0%settlement observed
P90 LATENCY2023msrecent 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
JSON ↗Observed outcomes
LIVE ENDPOINT METADATA
Query Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range
Resource: api.onesource.io/api/chain/events
Network: eip155:8453 · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Pay to: 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea
Payment methods: — · Last validation: 2026-09-14 12:26:28.818+00
{
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"type": "object",
"properties": {
"topic": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{64}$"
},
"network": {
"enum": [
"ethereum",
"sepolia",
"robinhood"
],
"type": "string",
"default": "ethereum"
},
"contract": {
"type": "string",
"pattern": "^0x[a-fA-F0-9]{40}$"
},
"to_block": {
"oneOf": [
{
"type": "integer",
"minimum": 0
},
{
"enum": [
"latest",
"pending",
"earliest",
"safe",
"finalized"
],
"type": "string"
},
{
"type": "string",
"pattern": "^0[xX][a-fA-F0-9]+$"
}
]
},
"from_block": {
"oneOf": [
{
"type": "integer",
"minimum": 0
},
{
"enum": [
"latest",
"pending",
"earliest",
"safe",
"finalized"
],
"type": "string"
},
{
"type": "string",
"pattern": "^0[xX][a-fA-F0-9]+$"
}
]
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"required": [
"data",
"meta"
],
"properties": {
"data": {
"type": "object",
"properties": {
"logs": {
"type": "array",
"items": {
"type": "object",
"properties": {
"data": {
"type": "string"
},
"topics": {
"type": "array",
"items": {
"type": "string"
}
},
"address": {
"type": "string"
},
"logIndex": {
"type": "string"
},
"blockNumber": {
"type": "string"
},
"transactionHash": {
"type": "string"
}
}
}
},
"count": {
"type": "integer"
},
"to_block": {
"type": "string"
},
"from_block": {
"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": "5000",
"scheme": "exact",
"network": "eip155:8453",
"currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"recipient": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"maxAmountRequired": "5000",
"maxTimeoutSeconds": 3600
},
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"payTo": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"scheme": "exact",
"network": "eip155:8453",
"amountAtomic": "5000"
},
{
"raw": {
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2",
"withdrawDelay": 86400,
"receiverAuthorizer": "0x11dF9F6280632aB8F12926b3f569E493EaEcf81b"
},
"payTo": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"amount": "5000",
"scheme": "batch-settlement",
"network": "eip155:8453",
"currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"recipient": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"maxAmountRequired": "5000",
"maxTimeoutSeconds": 3600
},
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"payTo": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"scheme": "batch-settlement",
"network": "eip155:8453",
"amountAtomic": "5000"
}
]
}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.