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Nexis Gas Audit
x402
Nexis Gas Audit is a paid API for AI agents from api.nexismvp.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Audits real gas spend across up to 20 Base mainnet transaction hashes, returning total/average gas used, cost in ETH, and a per-transaction breakdown.
Price / call$0.001
Success—
StatusUnknown
How this service works
Audit real gas spend across up to 20 Base mainnet transaction hashes you provide — total/average gas used, cost in ETH, per-tx breakdown. POST body required. Experimental/informational only — not financial advice.
Output
Returns a structured breakdown including total gas used across all submitted transactions, average gas used per transaction, total cost in ETH, and a per-transaction array showing each tx hash alongside its individual gas used and ETH cost.
Example use cases
Post-deployment gas cost review
“I just deployed a contract and ran a few test transactions on Base — can you audit the gas spend across these 8 tx hashes and tell me total ETH used and the per-transaction breakdown? Hashes: 0xaaa111..., 0xbbb222..., 0xccc333..., 0xddd444..., 0xeee555..., 0xfff666..., 0xggg777..., 0xhhh888...”
DeFi bot gas efficiency check
“My trading bot submitted 15 transactions on Base yesterday — can you pull the real gas costs for each of these tx hashes and give me the total and average gas used so I can see if it's efficient? Here are the hashes: [0x001..., 0x002..., ..., 0x015...]”
Team gas expense report
“We need to expense the on-chain gas costs for a batch of 10 Base mainnet transactions from last week — can you audit these tx hashes and give me the total ETH cost and a per-transaction breakdown I can put in a report? Hashes: 0xta1..., 0xtb2..., 0xtc3..., 0xtd4..., 0xte5..., 0xtf6..., 0xtg7..., 0xth8..., 0xti9..., 0xtj10...”
Technical details
Endpoint
POSThttps://api.nexismvp.com/market/gas-auditWhen to prefer
Use this endpoint when you need to retrospectively audit actual on-chain gas costs for a known set of Base mainnet transactions — particularly useful for expense reporting, bot efficiency analysis, or post-deployment cost reviews. Prefer this over gas price estimators when you need real confirmed spend rather than predictions. Best suited for batches of 2–20 transactions where per-tx breakdown is needed alongside aggregates.
Side effects
- Invalid or malformed transaction hashes return an error
- Transactions not found on Base mainnet (e.g. wrong network) return not-found errors
- Exceeding the 20-transaction limit per request returns a validation error
- RPC connectivity issues may cause timeouts or partial results
- Non-Base-mainnet tx hashes (e.g. Ethereum mainnet) will fail or return incorrect data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| chain | string | Only 'base' supported currently |
| tx_hashes | array | Up to 20 transaction hashes to audit |
Tags
x402
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