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santyvv-data Chain Gas Price API
x402
santyvv-data Chain Gas Price API is a paid API for AI agents from x402.santyvv.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-11).
Returns current on-chain gas prices for blockchain networks, paid per call in USDC via x402 protocol with no API key required.
Price / call$0.02
Success—
StatusUnknown
How this service works
Market and on-chain data, paid per call in USDC on Base through the x402 protocol. No accounts, no API keys. Sources are public data providers; the value added here is keyless access, edge caching, multi-source fallback and normalised responses.
Output
Returns a normalized response containing current gas price data for the requested blockchain network, including fee estimates (likely base fee, priority fee, or gwei values). Response is edge-cached and sourced from multiple public on-chain data providers for reliability.
Example use cases
Pre-transaction gas check for DeFi bot
“Before my bot submits this swap on-chain, can you check what the current gas price is so I can decide whether to proceed or wait for cheaper fees?”
Gas fee monitoring for wallet app
“I'm building a feature that warns users when gas is high — can you pull the current on-chain gas price so I can compare it against a threshold?”
Transaction cost estimation for dApp
“My dApp needs to show users an estimated transaction cost before they confirm — what's the current gas price right now so I can calculate the fee?”
Technical details
Endpoint
GEThttps://x402.santyvv.com/api/chain/gas?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need gas price data without setting up API keys or accounts — ideal for AI agents that need frictionless, pay-per-call access via USDC micropayments. Prefer this over free public RPC endpoints when you need normalized, multi-source fallback responses with edge caching. Best suited for low-frequency lookups where the $0.02/call cost is acceptable.
Side effects
- Payment failure: x402 USDC payment not accepted or insufficient balance — returns 402 Payment Required
- Network unavailable: upstream public data provider is unreachable — may return 503 or fallback data
- Invalid query parameters: unsupported chain or malformed request — returns 400 Bad Request
- Rate or quota issues on underlying public data sources — may cause degraded or delayed responses
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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