← The evidence ledger
Evidence row 125566
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://x402.agentindex.world/base/estimate-gas
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 88269bf27385f14e35ee2edaa458f7a596439ae3e6b5009c67434837851580a6
- Leaf
- 0xdd761683cb73a0b8c321d82e9a618d7785173c72c8970d25ff277f72a4a7d5ca
What was observed
{
"endpoints": [
[
"x402",
"https://x402.agentindex.world/base/estimate-gas"
]
],
"name": "base-estimate-gas",
"owner_address": "0xb3f32bdfe8d07825bc0d7387295ab1d7559ba69d",
"raw": {
"accepts": [
{
"amount": "4000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d",
"scheme": "exact"
}
],
"description": "Gas estimate for a Base mainnet swap or any other call (to/from/value/data) via eth_estimateGas, without broadcasting a transaction.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"from_address": "0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d",
"to": "0xdb6882db2A406Bc1541988715842906Dfd4FD590",
"value_wei": 0
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"from_address": "0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d",
"gas_estimate": 21000,
"to": "0xdb6882db2A406Bc1541988715842906Dfd4FD590",
"value_wei": 0
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"data": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "Data"
},
"from_address": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "From Address"
},
"to": {
"title": "To",
"type": "string"
},
"value_wei": {
"default": 0,
"title": "Value Wei",
"type": "integer"
}
},
"required": [
"to"
],
"title": "EstimateGasInput",
"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": {
"from_address": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "From Address"
},
"gas_estimate": {
"title": "Gas Estimate",
"type": "integer"
},
"to": {
"title": "To",
"type": "string"
},
"value_wei": {
"title": "Value Wei",
"type": "integer"
}
},
"required": [
"to",
"from_address",
"value_wei",
"gas_estimate"
],
"title": "EstimateGasOutput",
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-08T06:09:17.605Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-08T06:09:17.387Z"
},
"resource": "https://x402.agentindex.world/base/estimate-gas",
"serviceName": "base-estimate-gas",
"tags": [
"base rpc",
"gas estimate",
"eth_estimateGas",
"base mainnet",
"transaction cost"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Gas estimate for a Base mainnet swap or any other call (to/from/value/data) via eth_estimateGas, without broadcasting a transaction."
}What the leaf hashes
{"body":"88269bf27385f14e35ee2edaa458f7a596439ae3e6b5009c67434837851580a6","id":125566,"kind":"listing","method":"baseline/1","observed_us":1793025626479933,"prev":null,"subject":"x402_bazaar:https://x402.agentindex.world/base/estimate-gas","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.