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Gas Price OracleService

gas-price-oracle

EIP-1559 fee estimates from recent blocks. POST JSON {"chain_id": 1} to /v1/gas; chains: Ethereum (1), Optimism (10), BNB Chain (56), Polygon (137), Base (8453), Arbitrum (42161). The response is a JSON object with block, base_fee_gwei, next_base_fee_gwei, avg_gas_used_ratio and tiers slow, standard and fast, each with priority_fee_gwei (median over the last 10 blocks of the 10th, 50th and 90th percentile tips) and max_fee_gwei (2 x next base fee + priority fee). Live data.

Active Suppliers
52
of 52 ever configured
Service Info
Service ID
gas-price-oracle
Compute Units / Relay
100,000
Owner
pokt10…87pn
Active Applications
2
Relay Mining EMA
1 relays
Service Metadata Cardsource: on-chain metadata (LCD)
{10 items
"schema":"pocket-service-card/v1"
"description":"EIP-1559 fee estimates from recent blocks. POST JSON {"chain_id": 1} to /v1/gas; chains: Ethereum (1), Optimism (10), BNB Chain (56), Polygon (137), Base (8453)..."
"rpc_types":[1 item
0:{4 items
"type":"REST"
"intent":"expected"
"backend_hint":"gas-price-oracle HTTP server on :8080; POST /v1/gas (POST / also reaches it through the relay), GET /v1/health + /v1/version."
"notes":"Every response is a JSON object; errors are JSON 4xx with an error field."
}
]
"apis":[1 item
0:"gas-api"
]
"specs":[1 item
0:{4 items
"kind":"openapi"
"api":"gas-api"
"url":"https://services.supnodes.com/specs/gas-price-oracle/openapi.json"
"notes":"Machine-readable OpenAPI 3.0.3 contract for this service, with example requests."
}
]
"access":"public"
"results":"variable"
"serving":{7 items
"backend":"Single-process Python 3 HTTP server, standard library only, behind a RelayMiner (rest backend). No auth toward the backend; callers cannot send headers. Reads e..."
"implementations":[1 item
0:"gas-price-oracle >= 1.0"
]
"docs":"https://services.supnodes.com/specs/gas-price-oracle/README.md"
"min_disk_gb":1
"min_ram_gb":1
"healthcheck":[3 items
0:{4 items
"rpc_type":"REST"
"request":{2 items
"path":"/v1/version"
"method":"GET"
}
"expect":{2 items
"json_path":"$.service"
"matches":"^gas-price-oracle$"
}
"notes":"Identity probe: pins the backend to this service so a wrong backend cannot be staked under this id."
}
1:{4 items
"rpc_type":"REST"
"request":{2 items
"path":"/v1/health"
"method":"GET"
}
"expect":{2 items
"json_path":"$.status"
"matches":"^ok$"
}
"notes":"Readiness probe."
}
2:{4 items
"rpc_type":"REST"
"request":{3 items
"path":"/v1/gas"
"method":"POST"
"body":{1 item
"chain_id":1
}
}
"expect":{2 items
"json_path":"$.tiers.standard.max_fee_gwei"
"matches":"^[0-9]"
}
"notes":"Functional probe: Ethereum fee tiers; one RPC call."
}
]
"notes":"Upstream is Pocket Network RPC (publicnode.com fallback). Gateway operators: configure as type passthrough with rpc_types ["rest"]."
}
"docs":"https://services.supnodes.com/specs/gas-price-oracle/README.md"
"updated":"2026-09-27"
}