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 implementation, ERC-165 and behavioural ERC-20 detection, token…
Visit chainstate.schemasure.com
| Host | chainstate.schemasure.com |
|---|---|
| Price | $0.02 per call |
| Network | Base |
| Paid endpoints listed | 1 |
| Calls, last 30 days* | 28 |
| Most unique payers on one endpoint (30 days)* | 3 |
| Last paid call* | 2026-10-11 |
| Tags | base, address, proxy, erc20, erc165 |
* From the public x402 Bazaar index (snapshot 2026-10-18T04:07Z); reported by the facilitator, not measured by us.
Endpoints
| URL | Method | Price |
|---|---|---|
https://chainstate.schemasure.com/v1/chain/stateProfile a Base address in one call instead of four to six lookups. Returns contract or externally owned plus code… | POST | $0.02 |
Source: x402 Bazaar discovery API (Coinbase CDP) · Licence: Public discovery metadata; descriptions by each provider. Listed in x402 pay-per-call APIs. We list tools; we do not test, rate or endorse them.
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