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Synapse API — Boba Network Gas Estimator
x402
Synapse API — Boba Network 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 2026-09-13).
Estimates gas cost for a transaction on the Boba Network blockchain
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 Boba Network, allowing the caller to budget fees before submitting the actual transaction on-chain.
Example use cases
Pre-flight gas check for DeFi swap
“Before I submit this swap on Boba Network, estimate the gas cost — the sender is 0xABC...111, recipient is the DEX contract at 0xDEF...222, value is 0, and the calldata is 0xa9059cbb000...”
Smart contract deployment cost estimate
“Can you estimate how much gas it would take to deploy my contract on Boba Network? From address is 0x111...aaa, no recipient yet, and here's the bytecode as calldata: 0x608060405234...”
User wallet gas budget planning
“I want to know the gas fee before sending 1 ETH on Boba Network from my wallet 0x222...bbb to my friend's address 0x333...ccc with no extra data attached.”
Technical details
Endpoint
POSThttps://synapse-api-brown.vercel.app/api/boba/gas/estimateWhen to prefer
Use this endpoint when you need to estimate gas costs specifically for Boba Network (an Ethereum L2/optimistic rollup) transactions before submitting them. Prefer this over generic Ethereum gas estimators when your transaction targets Boba Network, and over full transaction submission endpoints when you only want a cost preview without side effects.
Side effects
- Invalid or malformed address in 'to' or 'from' fields returns an error
- Malformed or non-hex 'data' field may cause parsing failure
- Transaction that would revert on-chain may return a simulation error rather than a gas estimate
- Missing required fields may result in a 400 bad request
- Network unavailability or Boba RPC issues may cause timeout or 503 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| to | string | |
| data | string | |
| from | string | |
| value | string |
Tags
x402
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