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BaseBuilder DeFi Ethereum Gas Price API
x402
BaseBuilder DeFi Ethereum Gas Price API is a paid API for AI agents from bb-defi.vercel.app, paid per call via x402, $0.149471/call, status unknown (last checked 2026-09-15).
Returns current Ethereum network gas prices (e.g., base fee, priority fee, or gas estimates) via a paid API endpoint
Price / call$0.149471
Success—
StatusUnknown
How this service works
BaseBuilder Defi API hub - 22 paid endpoints
Output
Returns current Ethereum gas price data including base fee, slow/standard/fast priority fee tiers, and estimated transaction costs in gwei or wei, enabling the caller to choose an appropriate gas price for submitting on-chain transactions.
Example use cases
Example prompt
“What are the current Ethereum gas prices right now — give me the base fee and recommended priority fee in gwei so I can decide whether to submit my transaction.”
Technical details
Endpoint
POSThttps://bb-defi.vercel.app/api/gas/ethereumWhen to prefer
Choose this endpoint when you need real-time Ethereum gas price data for DeFi workflows, transaction cost estimation, or wallet UX, and are already operating in an x402 micropayment-enabled environment on Base/Ethereum. Useful when building agents that need to decide whether to submit a transaction based on current network conditions.
Side effects
- Payment not provided or insufficient — HTTP 402 returned requiring x402 USDC payment
- Ethereum RPC node temporarily unavailable — upstream timeout or 503
- Invalid request body format — 400 bad request
- Rate limiting if payment not processed correctly
Tags
x402
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