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workbot1.oddsys.org decode-tx
https://workbot1.oddsys.org/decode-tx
answers 402
Decode EVM calldata or a Base-mainnet transaction into human-readable form: function selector, matched signature, named args, plus ERC-20/USDC transfer events from the receipt — verify an x402 settlement receipt (tx hash in, payer/payee/amount out) in one call.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.005
- Network
- base
- Pay to
- 0x15459498e1191d8787c83177809bd54022fA18c4
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 40 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:20:55.312Z (26d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fworkbot1.oddsys.org%2Fdecode-tx"