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chainsscope.duckdns.org tools contract-inspect
https://chainsscope.duckdns.org/tools/contract-inspect
payable
Ethereum/Base only: is this address a contract, and if it looks like an ERC20 token, its name/symbol/decimals via eth_call -- skips the manual ABI-decoding work.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0x1f5f8474fA0dc1Fde79187abd68Ef8Ea15ADAe34
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 246 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-10T09:10:58.039Z (1d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fchainsscope.duckdns.org%2Ftools%2Fcontract-inspect"