API · /token-control-check
Inspect Base token contracts for ERC-20 signals, owner controls, pause state and EIP-1967 proxy configuration through a deterministic API.
10 free test calls per day — pick a plan for production use.
Pick a tier — billed monthly, cancel anytime.
Test deterministic Base contract-control inspection in development and evaluation workflows.
Free
For developers and automated workflows that need regular deterministic Base contract-control inspection.
€15.00 /month
Quick answers about pricing, quotas, and integration.
Pick an endpoint from the list on the left to see its details and try it.
Sign up to get an API key, then call any path under your slug.
curl https://api.oanor.com/token-control-check/check \
-H "x-oanor-key: oanor_test_..."const res = await fetch("https://api.oanor.com/token-control-check/check", {
headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();$ch = curl_init("https://api.oanor.com/token-control-check/check");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
$response = curl_exec($ch);import requests
r = requests.get(
"https://api.oanor.com/token-control-check/check",
headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())Deterministic contract-control inspection for tokens and smart contracts on Base Mainnet.
Token Control Check reports observable on-chain characteristics through a simple JSON API. It is designed for developers, agents and automated workflows that need structured contract information without an LLM-generated risk score or subjective safety verdict.
For a supplied Base contract address, Token Control Check can report:
owner() presence and owner address where availablepaused() interface and current pause state where available{
"address": "0x4200000000000000000000000000000000000006"
}
{
"contract_exists": true,
"erc20_signals_detected": true,
"owner_detected": false,
"paused_interface_detected": false,
"currently_paused": null,
"eip1967_proxy_detected": false
}
Responses also include contract, chain, token, control, interpretation and methodology fields where applicable.
Token Control Check uses deterministic RPC inspection rather than an LLM for the contract analysis.
This makes the API suitable for:
Token Control Check reports observable contract state and interfaces. It does not establish whether a token is safe, legitimate, tradeable, scam-free or suitable for investment.
A returned observation should be interpreted in the context of your own application and policies.
Base Mainnet — Chain ID 8453
POST /check
Send a JSON body containing a Base contract address:
{
"address": "0x..."
}
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