← The evidence ledger
Evidence row 67471
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.x402node.dev/chain/gas-oracle
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0827cf86e06ef3f6745d517a410a3825c7fdbb0700588fbb40f0a2c28e95be5d
- Leaf
- 0xcebcca50970e62455d466e8728a8593d22851c4edb959c2dc02c62e6a4156946
What was observed
{
"endpoints": [
[
"x402",
"https://api.x402node.dev/chain/gas-oracle"
]
],
"name": "api.x402node.dev/chain/gas-oracle",
"owner_address": "0x4466d4a84b7c49a6a094ec6eef4a0712d6dd125e",
"raw": {
"accepts": [
{
"amount": "6000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e",
"scheme": "exact"
},
{
"amount": "6000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up",
"scheme": "exact"
}
],
"description": "Live gas oracle with slow, standard and fast fee tiers computed from recent block fee history - current base fee plus recommended priority fees and the cost of a standard transfer, so agents can set the right gas price and decide when to submit transactions. gas oracle, gas price, recommended gas, gas fee tiers, optimal gas, priority fee, gas estimate, when to transact 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": "base (default), eth, arbitrum, optimism, polygon, bsc",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-26T09:08:24.569Z",
"quality": {
"l30DaysTotalCalls": 101,
"l30DaysUniquePayers": 21,
"lastCalledAt": "2026-10-26T09:08:24.222Z"
},
"resource": "https://api.x402node.dev/chain/gas-oracle",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Live gas oracle with slow, standard and fast fee tiers computed from recent block fee history - current base fee plus recommended priority fees and the cost of a standard transfer, so agents can set the right gas price and decide when to submit transactions. gas oracle, gas price, recommended gas, gas fee tiers, optimal gas, priority fee, gas estimate, when to transact Accepts payment on Base or Solana — either network works."
}What the leaf hashes
{"body":"0827cf86e06ef3f6745d517a410a3825c7fdbb0700588fbb40f0a2c28e95be5d","id":67471,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025463593033,"prev":null,"subject":"x402_bazaar:https://api.x402node.dev/chain/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).
- 0xcebcba94bf79d357dee837bb1884f5eb59a909bba012dccbd19c3c01c2d51347
- 0xfb64bd21e53ca449f5e196a4c6eaf8d06a11bf51e22343bb1366ee22a4941c22
- 0xfe4ed4e97aeadd500d842c37cc4b726077373f576c086b75b60885aa8d70426b
- 0x2e645d587187948a3680e56a643573b59ed239093113acb149f1a354e600c690
- 0xba45064e2af5fe0fe7a3be8743a81e19074c8f3eb3c84ac8490e1a1cb78034ef
- 0xffc9420244345c64deb8e1bc348b572b944e493e431242aa50dee36b44e238f0
- 0x3e49b7a39ae0b2b3758833a0bbe06a681155f4a0c254fb3cae01896defa0f114
- 0xe0c64e982f408ff819891fb992f0e23ccf8004702d6d4891caf480b041fde054
- 0x620e46a467bb6ea328be9baa498db8c9a6b6f5095a07956301edab68c1ef1f7b
- 0xe105839525c4828b89b7d05e44f371385eb52639386c098d62734be5b4a1ce05
- 0xd57a32d9d2666c4270544dcb78bbea2f4774705d3879a86973628e2542543e62
- 0xa45f4438c9296b0ba586fc2eec9f0202e5d3c61a1d3adc975b80f6a1f4a5ca57
- 0xe43762a621da83c0b4b63f549cd2e19c428ac702bfc1038d70233867b06c447f
- 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
- 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae