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SilverbackDeFi Gas Price API
x402
SilverbackDeFi Gas Price API is a paid API for AI agents from x402.silverbackdefi.app, paid per call via x402, $0.005/call, status down (last checked 2026-09-14).
Returns current gas price data for blockchain networks to help estimate transaction costs
Price / call$0.005
Success—
StatusDown
Output
Returns current gas prices for the requested blockchain network, typically including different speed tiers (slow, standard, fast) expressed in gwei, along with base fee and priority fee breakdowns useful for estimating transaction costs.
Example use cases
Example prompt
“What's the current gas price on Base right now — give me the fast, standard, and slow estimates in gwei so I can decide when to submit my swap.”
Technical details
Endpoint
POSThttps://x402.silverbackdefi.app/api/v1/gas-priceWhen to prefer
Choose this endpoint when building DeFi agents on Base chain or EVM-compatible networks that need real-time gas price data before executing swaps, transfers, or other on-chain operations. Pairs well with SilverbackDeFi's swap routing and whale monitoring endpoints for a complete DeFi transaction pipeline.
Side effects
- Unsupported network or chain ID returns 400 error
- Service unavailable or upstream RPC node down returns 503
- Payment not processed or insufficient USDC returns 402
- Malformed request body returns 422 validation error
- Rate limit exceeded returns 429
Tags
x402
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