ChainState
Profile a Base address in one call instead of four to six lookups. Returns contract or externally owned plus code size, proxy detection across all seven slot layouts including the legacy OpenZeppelin slot Base USDC uses, the resolved implem
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 281 ms
- Price
- $0.020 per call
- Paying buyers, last 30 days
- 3 (directory's own records)
- Paid calls, last 30 days
- 28
- Category
- Blockchain reads
- Address
- https://chainstate.schemasure.com/v1/chain/state
Accuracy: paid answers checked against an independent record
Not yet in our paid checks. A seller we have not checked has neither passed nor failed.
For agents
This page as JSON: /sellers/2a72bd38c66f.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).