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CanaryGuard Base Transaction Status Decoder
x402
CanaryGuard Base Transaction Status Decoder is a paid API for AI agents from canaryguard-402.onrender.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-16).
Decodes Base Mainnet transaction receipts, including EIP-3009 transferWithAuthorization settlements, ERC-20 transfer logs, gas fees, and finality confirmations for a given tx hash.
Price / call$0.01
Success—
StatusUnknown
How this service works
Decodes Base Mainnet transaction receipts, EIP-3009 transferWithAuthorization settlements, ERC-20 transfer logs, gas fees, and finality confirmations.
Output
Returns decoded transaction receipt data including confirmation status, finality flag, gas used and effective gas price, ERC-20 Transfer event logs (sender, recipient, amount, token), and EIP-3009 transferWithAuthorization settlement details if present.
Example use cases
Verify USDC payment settlement on Base
“I just sent a USDC transferWithAuthorization on Base — can you check tx hash 0x4f8e2a... and confirm whether the EIP-3009 settlement went through and the payment is finalized?”
Audit gas costs for a Base transaction
“Look up Base transaction 0x9d3c71... and tell me exactly how much gas was used and what the effective gas price was in gwei.”
Decode ERC-20 transfer logs from a Base tx
“For Base tx hash 0x7b1fa9..., can you decode all the ERC-20 Transfer events in the receipt and tell me the sender, recipient, and amount for each one?”
Technical details
Endpoint
GEThttps://canaryguard-402.onrender.com/v1/tx-status-base?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to decode and verify Base Mainnet transaction receipts with specific support for EIP-3009 transferWithAuthorization, ERC-20 logs, gas analytics, and finality confirmation — especially useful for on-chain payment verification workflows where you need structured decoded output rather than raw RPC data.
Side effects
- Transaction hash not found on Base Mainnet — returns error if hash is invalid or on wrong chain
- Transaction still pending — may return unconfirmed status if not yet mined
- Rate limiting or payment failure — x402 payment of $0.008 USDC required per call
- Malformed tx_hash input — returns validation error if hash format is incorrect
- RPC timeout — upstream Base node may be slow during network congestion
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| tx_hash | string |
Tags
x402
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