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Synapse API — Superseed Gas Estimator
x402
Synapse API — Superseed Gas Estimator is a paid API for AI agents from synapse-api-brown.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Estimates gas cost for a transaction on the Superseed blockchain network before submission
Price / call$0.01
Success—
StatusUnknown
How this service works
High-speed API suite for AI processing, web scraping, and smart data utilities across 57+ blockchain networks. Pay-per-call via x402.
Output
Returns a gas estimate (in gas units) for the described transaction on the Superseed network, allowing callers to predict fees and decide whether to proceed before actually submitting the transaction on-chain.
Example use cases
Pre-flight check before token transfer
“I'm about to send some tokens on Superseed — can you estimate the gas cost first? From address is 0x1234...abcd, destination is 0x5678...ef01, calldata is 0xa9059cbb..., and value is 0.”
Smart contract deployment cost estimate
“Before I deploy this contract on Superseed, estimate how much gas the deployment transaction will use. The from address is 0xDev...999, the to field is empty, and the bytecode data is 0x6080604052...”
DeFi swap gas estimation on Superseed
“I want to do a DEX swap on Superseed but want to know the gas estimate first. From 0xMyWallet...111, to the router at 0xRouter...222, with this swap calldata: 0x38ed1739..., and value 0.”
Technical details
Endpoint
POSThttps://synapse-api-brown.vercel.app/api/superseed/gas/estimateWhen to prefer
Use this endpoint when you need a gas estimate specifically for the Superseed blockchain network and want a pay-per-call model without managing RPC infrastructure. Prefer this over direct RPC calls when you don't have a Superseed node configured or want a simple REST interface instead of raw JSON-RPC.
Side effects
- Invalid address format for 'to' or 'from' fields returns an error
- Malformed or invalid 'data' hex string causes a simulation failure
- Insufficient funds simulation may return a revert error
- Network downtime or RPC unavailability returns a 5xx error
- Missing required fields may return a 400 bad request
- Transaction would revert on-chain causes estimate to fail with revert reason
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| to | string | |
| data | string | |
| from | string | |
| value | string |
Tags
x402
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