Otto AI · x402.ottoai.services
Base gas oracle from Otto's own RPC
Current base fee (wei+gwei), legacy gas price, and slow/standard/fast EIP-1559 priority-fee tiers (p25/p50/p90 over the last 20 blocks) with a ready-to-sign maxFeePerGas per tier. Unlike the crowded gas shelf it PUBLISHES the formula, so every tier is reproducible from the response. Flat JSON, refreshed every minute. Base gas oracle, gas price, priority fee, EIP-1559, maxFeePerGas. $0.001 per call.
Input
Sample response
Published by the provider. Your run returns a fresh response.
response3 keys
data9 keys
baseFeePerGas{ gwei, wei }2 keys
chain"base"
chainId8453
formula"priorityFee tiers = mean of the p25/p50/p90 priority-fee tips over the last 20 blocks (eth_feeHistory); suggested maxFeePerGas = baseFeePerGas*2 + tierTip."
gasPrice{ gwei, wei }2 keys
generatedAt"2026-09-01T12:01:00.000Z"
priorityFeePerGas{ fast, slow, standard, … }4 keys
suggested{ fast, slow, standard }3 keys
window{ avgGasUsedRatio, blocks, congestion, … }4 keys
meta4 keys
degradedfalse
generatedAt""
stalenessSec0
validUntil""
status"success"
responseobject, 3 keysYour agent can do this on its own
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MCP URL
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Track record
- Paid calls, last 30 days
- 6
- Buyers, last 30 days
- 5
- Last paid call
Reported by the x402 directory.