← The evidence ledger
Evidence row 408513
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agents.crowdspark.me/v1/chain/gas
- Recorded
- Previous row
- #279092
- Body SHA-256
- c17aed7e6f048d945beada854c37cff8a06df6b21cb836d7fb551b4c4187118f
- Leaf
- 0x32d7902f19df90eba4a4471d6cd17f96d204c5e696453b514edca33e6e04d06f
What was observed
{
"endpoints": [
[
"x402",
"https://agents.crowdspark.me/v1/chain/gas"
]
],
"name": "Agent Tools",
"owner_address": "0x0dea0030a17bf886543a757c55924710258c2eec",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x0dEA0030A17BF886543a757c55924710258c2eec",
"scheme": "exact"
}
],
"description": "Gas estimate and fee quote for Base, Ethereum, Optimism, Arbitrum and Polygon: eth_estimateGas for your transaction (to, from, value, data) or a plain transfer if no 'to', current base fee, slow/standard/fast priority tips from recent blocks, max fee suggestions, L1 data fee on OP-stack chains and total cost in native coin and USD (Chainlink price). Reports reverts instead of failing. Use before signing or to budget agent transactions.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"chain": "base",
"data": "0x70a082310000000000000000000000000dea0030a17bf886543a757c55924710258c2eec",
"from": "0x0dEA0030A17BF886543a757c55924710258c2eec",
"to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
},
"type": "http"
},
"output": {
"example": {
"base_fee_gwei": "0.005",
"block": 53115830,
"chain": "base",
"chain_id": 8453,
"fees": [
{
"est_cost_native": "0.000000232928187839",
"est_cost_usd": 0.000541,
"max_fee_per_gas_gwei": "0.01011",
"max_priority_fee_gwei": "0.00011",
"tier": "slow"
},
{
"est_cost_usd": 0.00065,
"tier": "standard"
},
{
"est_cost_usd": 0.00211,
"tier": "fast"
}
],
"gas_units": "45415",
"l1_data_fee_native": "0.000000000857537839",
"method": "eth_estimateGas",
"native": "ETH",
"native_usd": 2320.97,
"reverted": false
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"chain": {
"description": "Chain, default base",
"enum": [
"base",
"ethereum",
"optimism",
"arbitrum",
"polygon"
],
"type": "string"
},
"data": {
"description": "Optional. 0x calldata",
"type": "string"
},
"from": {
"description": "Optional. Sender address",
"type": "string"
},
"to": {
"description": "Optional. Target address; omit for a plain native transfer quote",
"type": "string"
},
"value": {
"description": "Optional. Value in wei",
"type": "string"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-27T04:43:27.654Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-26T15:42:24.895Z"
},
"resource": "https://agents.crowdspark.me/v1/chain/gas",
"serviceName": "Agent Tools",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Gas estimate and fee quote for Base, Ethereum, Optimism, Arbitrum and Polygon: eth_estimateGas for your transaction (to, from, value, data) or a plain transfer if no 'to', current base fee, slow/standard/fast priority tips from recent blocks, max fee suggestions, L1 data fee on OP-stack chains and total cost in native coin and USD (Chainlink price). Reports reverts instead of failing. Use before signing or to budget agent transactions."
}What the leaf hashes
{"body":"c17aed7e6f048d945beada854c37cff8a06df6b21cb836d7fb551b4c4187118f","id":408513,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080310833847,"prev":279092,"subject":"x402_bazaar:https://agents.crowdspark.me/v1/chain/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.