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AgentPay ETH Gas Price Lookup
x402
AgentPay ETH Gas Price Lookup is a paid API for AI agents from agentpay.help, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-15).
Returns current Ethereum gas prices in Gwei (slow, standard, fast, rapid tiers) plus the current ETH/USD price, paid via x402 micropayment.
Price / call$0.003
Success—
StatusUnknown
How this service works
Pay-per-call AI services via the 402 Payment Required protocol. No accounts, no API keys — just USDC on Base.
Output
A JSON object with a 'gwei' field containing four numeric gas price tiers (slow, standard, fast, rapid), an 'eth_usd' field with the current ETH price in USD, and an 'updated_at' ISO timestamp indicating when the data was last refreshed.
Example use cases
Pre-transaction gas check
“Before I send this ETH transfer, can you check what the current gas prices are so I know whether to use slow, standard, or fast?”
DeFi bot cost estimation
“My trading bot is about to execute a swap — what's the current rapid gas price in Gwei and what is ETH worth in USD so I can estimate total transaction cost?”
Gas fee monitoring alert
“Check the current Ethereum gas prices for me — I want to know if standard gas has dropped below 1 Gwei yet so I can time my NFT mint.”
Technical details
Endpoint
POSThttps://agentpay.help/v1/eth-gasWhen to prefer
Choose this endpoint when you need real-time Ethereum gas price data across multiple speed tiers without setting up an account or API key — particularly useful for AI agents that need frictionless, pay-per-call access via the x402 protocol using USDC on Base. Prefer this over Etherscan or Infura gas APIs when you want zero-signup micropayment access with structured multi-tier gas output including ETH/USD price in a single call.
Side effects
- Payment failure: x402 micropayment not completed or insufficient USDC balance returns a 402 error
- Network error: upstream gas oracle unavailable may return 5xx or stale data
- Malformed request: incorrect body structure returns validation error
- Stale data: 'updated_at' timestamp may lag real-time by seconds to minutes during high network load
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"gwei": {
"fast": 2.02,
"slow": 0.15,
"rapid": 2.02,
"standard": 0.46
},
"eth_usd": 2526,
"updated_at": "2026-09-13T00:00:00.000Z"
}
}Tags
x402
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