Smart contract event logs on Base mainnet (Base contract events) via eth_getLogs
Smart contract event logs on Base mainnet (Base contract events) via eth_getLogs - filter by contract address and up to 4 topics, up to 2,000 blocks, raw logs with topics, data, block and tx hash.
Answeringour last check, 2026-10-10
1 of 1checks answered this week
901 msmedian answer time
$0.005listed price per call
$0.005price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://x402.agentindex.world/base/events
| Category | Everything else |
|---|---|
| Provider host | x402.agentindex.world |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-10 | valid payment request | 402 | $0.005 | 901 ms |
Example input (from the provider)
{
"body": {
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"from_block": 52118214,
"to_block": 52118214,
"topics": [
"0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"address": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "Address"
},
"from_block": {
"minimum": 0,
"title": "From Block",
"type": "integer"
},
"to_block": {
"minimum": 0,
"title": "To Block",
"type": "integer"
},
"topics": {
"items": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"maxItems": 4,
"title": "Topics",
"type": "array"
}
},
"required": [
"from_block",
"to_block"
],
"title": "EventsInput",
"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": {
"address": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Address"
},
"from_block": {
"title": "From Block",
"type": "integer"
},
"logs": {
"items": {
"properties": {
"address": {
"title": "Address",
"type": "string"
},
"block_number": {
"title": "Block Number",
"type": "integer"
},
"data": {
"title": "Data",
"type": "string"
},
"log_index": {
"title": "Log Index",
"type": "integer"
},
"topics": {
"items": {
"type": "string"
},
"title": "Topics",
"type": "array"
},
"transaction_hash": {
"title": "Transaction Hash",
"type": "string"
}
},
"required": [
"address",
"topics",
"data",
"block_number",
"transaction_hash",
"log_index"
],
"title": "LogEntry",
"type": "object"
},
"title": "Logs",
"type": "array"
},
"to_block": {
"title": "To Block",
"type": "integer"
},
"topics": {
"items": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"title": "Topics",
"type": "array"
}
},
"required": [
"address",
"topics",
"from_block",
"to_block",
"logs"
],
"title": "EventsOutput",
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}