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BNB Smart Chain Tx Explainer
x402
BNB Smart Chain Tx Explainer is a paid API for AI agents from automaton-tx-explainer.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-16).
Explains a BNB Smart Chain transaction by returning its status, fee, decoded method with arguments, and ERC-20 token transfers with symbols and human-readable amounts.
Price / call$0.01
Success—
StatusUnknown
How this service works
Explain a BNB Smart Chain transaction: status, fee, decoded method + args (openchain signature DB), and ERC-20 transfers with symbols and human amounts.
Output
Returns the transaction status (success/failure), gas fee in human-readable form, the decoded contract method name and its arguments (via openchain signature DB), and a list of ERC-20 transfers including token symbols and human-readable token amounts.
Example use cases
Debug a failed DeFi swap
“This BSC transaction hash 0x1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b failed — can you explain what happened, what method it tried to call, and how much gas was wasted?”
Verify a token transfer payment
“I need to confirm that BNB Smart Chain transaction 0xdeadbeef1234567890abcdef1234567890abcdef1234567890abcdef12345678 actually sent the USDT — can you show me the token transfers, amounts, and whether it succeeded?”
Audit a suspicious BSC transaction
“Can you decode this BNB Smart Chain transaction 0xfeed0123456789abcdef0123456789abcdef0123456789abcdef0123456789ab and tell me what contract method was called, with what arguments, and if any tokens moved?”
Technical details
Endpoint
GEThttps://automaton-tx-explainer.vercel.app/v1/bsc/tx?utm_source=zero.xyzWhen to prefer
Use this endpoint when you specifically need to understand a BNB Smart Chain (BSC) transaction — its outcome, cost, what on-chain action it performed, and which ERC-20 tokens moved. Prefer it over Ethereum or Base equivalents when the tx hash belongs to BSC. It is ideal for DeFi debugging, payment verification, and audit trails on BSC.
Side effects
- Invalid or malformed transaction hash returns a validation error
- Transaction hash not found on BNB Smart Chain returns a not-found error
- Unrecognized method signature returns raw calldata without decoded args
- Payment not received results in HTTP 402 response
- Network timeouts or RPC issues may cause intermittent failures
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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