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PlainText — Wallet Approval Checker
x402
PlainText — Wallet Approval Checker is a paid API for AI agents from smartcontractexplainer.onrender.com, paid per call via x402, $0.04/call, status unknown (last checked 2026-10-13).
Fetches live token and NFT approvals for an EVM wallet address and returns a plain-language safety verdict (SAFE, CAUTION, or RISK) powered by the GoPlus Security API.
Price / call$0.04
Success—
StatusUnknown
How this service works
Check an EVM wallet's live token/NFT approvals and get a plain-language verdict (SAFE, CAUTION or RISK) with an explanation
Output
Returns a JSON object with a 'verdict' field (SAFE, CAUTION, or RISK), a plain-English 'explanation' field describing what was found in non-technical language, and optionally a 'raw' array of the underlying approval records from GoPlus Security.
Example use cases
Pre-revoking DeFi approval audit
“My wallet is 0x4a8B...c91F — can you check all my token approvals on Arbitrum and tell me in plain language which ones look dangerous so I know what to revoke?”
NFT approval safety check
“I connected my wallet 0xD3aD...B33F to a few NFT marketplaces on Polygon. Can you check my NFT approvals and tell me if any of them look sketchy or risky?”
New user wallet health check
“I'm pretty new to crypto and worried I may have clicked something shady. Can you scan my Ethereum wallet 0x9F2e...4471 for token approvals and explain in simple terms whether anything looks off?”
Technical details
Endpoint
POSThttps://smartcontractexplainer.onrender.com/api/check-wallet?utm_source=zero.xyzWhen to prefer
Choose this endpoint when a user — especially a non-technical one — needs to understand their wallet's live approval exposure in plain language, not raw API data. It is ideal for consumer-facing agents or wallet security audits where readability and a clear risk verdict matter. Prefer it over raw blockchain queries when you need GoPlus Security's threat intelligence combined with a human-friendly explanation in a single call.
Side effects
- Invalid or malformed wallet address returns an error
- Unsupported chain name causes a validation failure
- GoPlus API downtime may cause fetch failures
- Wallet with no approval history returns a SAFE verdict with empty raw array
- Rate limits or payment failures (x402) block the request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| kind | string | Approval type to check (default: token) |
| chain | string | Chain to check approvals on (default: ethereum) |
| addressrequired | string | EVM wallet address to check |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| raw | array | |
| verdictrequired | string | |
| explanationrequired | string |
Tags
x402
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