← All endpoints
api.agentstools.dev evm decode-signature
https://api.agentstools.dev/evm/decode-signature
answers 402
Reverse a 4-byte function selector, an event topic hash, or raw calldata into its human-readable signature using the 4byte database, with collisions resolved so the real signature (the oldest registered) is returned first and the attacker-registered lookalikes are flagged. Parameter types are parsed out.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.003
- Network
- base
- Pay to
- 0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 160 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:16:50.414Z (2h ago)
- Category
- data
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.agentstools.dev%2Fevm%2Fdecode-signature"