← The evidence ledger
Evidence row 70334
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.x402node.dev/contract/gas-oracle
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7c83977f62ffa3097b39af4bb4ceeda609a7c0abef31ac25fd1117b170d495c2
- Leaf
- 0x190796d7149c0251ce3805e6d96aa2fdd96d545d709afcd3913b6b6559d79b9b
What was observed
{
"endpoints": [
[
"x402",
"https://api.x402node.dev/contract/gas-oracle"
]
],
"name": "api.x402node.dev/contract/gas-oracle",
"owner_address": "0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125e",
"raw": {
"accepts": [
{
"amount": "12000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e",
"scheme": "exact"
},
{
"amount": "12000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up",
"scheme": "exact"
}
],
"description": "Live Ethereum gas oracle from a block explorer behind an API key: safe, proposed and fast gas prices in gwei plus suggested base fee and last block. For transaction timing and fee estimation. gas oracle, gas price gwei, base fee, gas tracker, ethereum fees Accepts payment on Base or Solana — either network works.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"chain": "string"
},
"type": "http"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"chain": {
"description": "default ethereum (oracle is mainnet)",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-20T07:34:04.909Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-20T07:34:04.623Z"
},
"resource": "https://api.x402node.dev/contract/gas-oracle",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Live Ethereum gas oracle from a block explorer behind an API key: safe, proposed and fast gas prices in gwei plus suggested base fee and last block. For transaction timing and fee estimation. gas oracle, gas price gwei, base fee, gas tracker, ethereum fees Accepts payment on Base or Solana — either network works."
}What the leaf hashes
{"body":"7c83977f62ffa3097b39af4bb4ceeda609a7c0abef31ac25fd1117b170d495c2","id":70334,"kind":"listing","method":"baseline/1","observed_us":1793025480177539,"prev":null,"subject":"x402_bazaar:https://api.x402node.dev/contract/gas-oracle","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x190791db541891075736feba8721aca546845a6b9a14a4d01fb0e941070951a8
- 0xf7921b239fd40b58748ee3d1b58a46b3dbe8df335beb9ff8d372d05d14fc5b4f
- 0x98789415388c017632f643178f52807c8948c1cae37f75d427552fdd78cb6424
- 0xd95a9c62ed6ff1252fe93a5f4517a562abf273601ddf518ee20c8e3b31ee8a43
- 0x0eb4ce7bfeca8e2626c4894d560a5cf87e34e58917f1ecd9c172ec64a0151549
- 0x586087242dcc149c32617d92d7d9189ab501ca626e7e0e1b4343a8b8ff42ce07
- 0x87710cbd85e307e2009eb49c12606aa859bdddfa25db50ebe926fdc3b5c462c8
- 0x7d0fe68ced8b757f521199aad96f7a86f668b7c40b78645acd4718cdb2b628c6
- 0x28f9c1963ad05d87bf739f42350f55aa6e513d8c6c846588fd639a4b5705fb3d
- 0xcb3e3aedb72ed8e61cbaa8991a4949a4faf974931a0daec4005c2e39529d76a8
- 0x04d98d8716f171bd2264c6c49606521f410107287c5094c713f72cdf2fe1e1ed
- 0x15eab8feed5b3f08165d63b9f1aed508c0624966a05349e051f86f0c188707b5
- 0x32f46c5f73ecbfd4f770f7f760a79bee2afed4b3e7572fa882b3e7dce8df4356
- 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
- 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae