Query validated eth_getLogs events from one Base mainnet contract using a required event s
Query validated eth_getLogs events from one Base mainnet contract using a required event signature and optional indexed topic filters across a bounded resolved block range.
3000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-01
updated
Provider
apiacre.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xa0BFa4f07281c9b248DC3AED2217836BcA24869B",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "3000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "B4CHWQeQn7GDLZD2aW6hpGG2bEseisBFLZYECA3HDLan",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "3000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"block_tag": "safe",
"contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"limit": 25,
"lookback_blocks": 100,
"topics": [
"0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4..."
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"data": {
"blockRange": {
"fromBlock": 34567791,
"requestedTag": "safe",
"toBlock": 34567890,
"toBlockHash": "0x1111111111111111111111111111111111111111111111111111111..."
},
"contractExplorerUrl": "https://basescan.org/address/0x833589fCD6eDb6E08f4c7C32D4...",
"detected": 1,
"disclaimer": "Public logs do not prove identity, ownership, authorizati...",
"duplicatesRemoved": 0,
"filter": {
"contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"topics": [
"0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4..."
]
},
"limitations": [
"Signature-only scans use newest-first 2-block chunks and ...",
"Covers only the resolved block range, not full contract h...",
"Payload is ABI-encoded; finality and freshness depend on ..."
],
"logs": [
{
"blockNumber": 34567800,
"contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"data": {
"bytes": 32,
"hex": "0x0000000000000000000000000000000000000000000000000000000...",
"returnedBytes": 32,
"truncated": false
},
"topics": [
"0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4...",
"0x0000000000000000000000002222222222222222222222222222222...",
"0x0000000000000000000000001111111111111111111111111111111..."
]
}
],
"network": "eip155:8453",
"networkRequestsMade": 51,
"queriedLogCount": 1,
"readOnly": true,
"removedSkipped": 0,
"returned": 1,
"rpcCallsMade": 51,
"source": "https://docs.base.org/base-chain/api-reference/ethereum-j...",
"transactionBroadcast": false,
"truncated": false,
"warnings": []
},
"meta": {
"cached": false,
"duration_ms": 42,
"next_actions": [],
"sources": [],
"warnings": []
},
"request_id": "018f1f54-7f38-7ba2-8dc3-5f90272d9f1a",
"service": "crypto.base-event-logs",
"version": "1"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"block_tag": {
"enum": [
"latest",
"safe",
"finalized"
],
"type": "string"
},
"contract": {
"type": "string"
},
"limit": {
"type": "integer"
},
"lookback_blocks": {
"type": "integer"
},
"topics": {
"items": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"type": "array"
}
},
"required": [
"contract",
"topics"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"additionalProperties": false,
"properties": {
"blockRange": {
"type": "object"
},
"contractExplorerUrl": {
"type": "string"
},
"detected": {
"type": "integer"
},
"disclaimer": {
"type": "string"
},
"duplicatesRemoved": {
"type": "integer"
},
"filter": {
"type": "object"
},
"limitations": {
"items": {
"type": "string"
},
"type": "array"
},
"logs": {
"items": {
"type": "object"
},
"type": "array"
},
"network": {
"type": "string"
},
"networkRequestsMade": {
"type": "integer"
},
"queriedLogCount": {
"type": "integer"
},
"readOnly": {
"type": "boolean"
},
"removedSkipped": {
"type": "integer"
},
"returned": {
"type": "integer"
},
"rpcCallsMade": {
"type": "integer"
},
"source": {
"type": "string"
},
"transactionBroadcast": {
"type": "boolean"
},
"truncated": {
"type": "boolean"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"network",
"filter",
"blockRange",
"queriedLogCount",
"detected",
"returned",
"truncated",
"duplicatesRemoved",
"removedSkipped",
"logs",
"networkRequestsMade",
"rpcCallsMade",
"readOnly",
"transactionBroadcast",
"warnings",
"limitations",
"contractExplorerUrl",
"source",
"disclaimer"
],
"type": "object"
},
"meta": {
"properties": {
"cached": {
"type": "boolean"
},
"duration_ms": {
"type": "integer"
},
"next_actions": {
"items": {
"type": "object"
},
"type": "array"
},
"sources": {
"items": {
"type": "string"
},
"type": "array"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"duration_ms",
"cached",
"sources",
"warnings",
"next_actions"
],
"type": "object"
},
"request_id": {
"type": "string"
},
"service": {
"type": "string"
},
"version": {
"type": "string"
}
},
"required": [
"request_id",
"service",
"version",
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"payment-identifier": {
"info": {
"required": false
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"id": {
"maxLength": 128,
"minLength": 16,
"pattern": "^[a-zA-Z0-9_-]+$",
"type": "string"
},
"required": {
"type": "boolean"
}
},
"required": [
"required"
],
"type": "object"
}
}
}Use it
curl
curl "https://apiacre.com/v1/crypto/base-event-logs" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://apiacre.com/v1/crypto/base-event-logs");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://apiacre.com/v1/crypto/base-event-logs")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/2579.json, and this resource appears in /discovery/resources and /discovery/search.