Contract Safety Checker
x402 v2 paid EVM token contract risk API on Base and BSC. For 0.01 USDC, returns EIP-1967 proxy detection, owner control and renouncement status, and block-explorer source-code verification. Built for AI agents, bots, and automated token screening.
Offering
- Provider
- node-starter--maxujon18.replit.app
- Method
- GET
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Blockchain And Crypto
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://node-starter--maxujon18.replit.app/api/check-contract- MIME type
- Not provided
- First seen
- 2026-10-16T01:50:24.663Z
- Last seen
- Tags
- X402, Security, smart-contract, contract-risk, EVM
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "10000",
"payTo": "0x0EFaf4ae4F5C6Ff674FC64e7eBA1B6fe83B6159B"
}
]Observed health
- Status
- Degraded
- Latest latency
- 33 ms
- Average latency
- 214 ms
- HTTP status
- 404
- Last checked
- Reachability
- 100% over 13 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"method": "GET",
"queryParams": {
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"chain": "base"
},
"type": "http"
}Output schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"address": {
"description": "EVM contract address to check (0x...)",
"type": "string"
},
"chain": {
"description": "Chain to check the contract on",
"enum": [
"base",
"bsc"
],
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"action": {
"type": "string"
},
"address": {
"type": "string"
},
"chain": {
"type": "string"
},
"checkedAt": {
"type": "string"
},
"checks": {
"properties": {
"owner": {
"properties": {
"address": {
"type": [
"string",
"null"
]
},
"functionDetected": {
"type": "boolean"
},
"renounced": {
"type": "boolean"
}
},
"type": "object"
},
"proxy": {
"properties": {
"detected": {
"type": "boolean"
},
"implementation": {
"type": [
"string",
"null"
]
},
"kind": {
"enum": [
"eip1967-implementation",
"eip1967-beacon",
null
],
"type": [
"string",
"null"
]
}
},
"type": "object"
},
"source": {
"properties": {
"reason": {
"type": [
"string",
"null"
]
},
"status": {
"enum": [
"verified",
"not_verified",
"unavailable"
],
"type": "string"
}
},
"type": "object"
}
},
"type": "object"
},
"limitations": {
"items": {
"type": "string"
},
"type": "array"
},
"riskLevel": {
"enum": [
"low",
"medium",
"high"
],
"type": "string"
},
"score": {
"type": "number"
},
"signals": {
"items": {
"type": "string"
},
"type": "array"
},
"summary": {
"type": "string"
}
},
"required": [
"address",
"chain",
"riskLevel",
"score",
"action",
"summary",
"signals",
"checks",
"limitations",
"checkedAt"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}