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Saylor Innovations Multi-Chain Gas Comparison (Base + Ethereum)
x402
Saylor Innovations Multi-Chain Gas Comparison (Base + Ethereum) is a paid API for AI agents from saylorinnovations.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-30).
Fetches and compares current gas prices across Base and Ethereum EVM chains, identifying the cheapest option
Price / call$0.003
Success—
StatusUnknown
How this service works
Multi-Chain Gas Comparison. Multi-chain gas comparison in one call: Base, Ethereum, Arbitrum, Optimism and Polygon with slow/standard/fast tiers from fee history, base fee, and the USD cost of a simple transfer, cheapest chain first.
Output
Returns a JSON object containing a timestamp (generated_at), an array of chain objects each with their current gas price data, and a 'cheapest' field identifying the lowest-cost chain (or null if undetermined).
Example use cases
Pick cheapest chain for token swap
“Before I execute this token swap, check the current gas prices on both Base and Ethereum and tell me which chain is cheaper to use right now.”
DeFi bot chain routing decision
“My DeFi bot needs to decide which chain to route the next transaction through — pull the latest gas comparison between Base and Ethereum and tell me the cheapest one.”
Gas cost monitoring dashboard
“I want to keep an eye on gas fees — can you fetch the current gas prices across Base and Ethereum and show me which chain has the lowest fees at this moment?”
Technical details
Endpoint
GEThttps://saylorinnovations.com/api/evm/gas?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, real-time multi-chain gas comparison between Base and Ethereum without building your own RPC infrastructure. Ideal for DeFi agents, transaction routers, or cost-optimization workflows that need to decide which EVM chain to use before submitting a transaction. Prefer this over raw RPC calls when you want a pre-aggregated comparison with a 'cheapest' signal already computed.
Side effects
- Upstream RPC node unavailable — returns error or stale data
- Rate limiting at $0.003/call — multiple rapid calls may be throttled
- Chain data temporarily unavailable for one network — partial results with null entries
- Payment failure via x402 protocol — call rejected before reaching the API
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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