Scam, x402 endpoint and payment checks for AI trading agents on Base. Free calls daily, then x402.
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Check whether an x402 endpoint is safe to pay: it looks at what the endpoint asks you to pay and to whom and compares that with its history. It never pays the endpoint. Unreachable endpoints and bad input are not charged. Free: 1 a day per IP (counted across the HTTP routes and MCP), then $0.005 per call via x402.
https URL of the x402 endpoint
Check whether an x402 endpoint is safe to pay: it looks at what the endpoint asks you to pay and to whom and compares that with its history. It never pays the endpoint. Unreachable endpoints and bad input are not charged. Free: 1 a day per IP (counted across the HTTP routes and MCP), then $0.005 per call via x402.
| Argument | Type | Description |
|---|---|---|
| url* | string | https URL of the x402 endpoint |
{
"type": "object",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"description": "https URL of the x402 endpoint"
}
}
}Check a Base token (0x address) or URL for scam and rug risk before buying, or a wallet against the sanctions, USDC-blacklist and known-scam-deployer lists. Returns action OK | CAUTION | AVOID | VERIFY_MORE with the facts behind it and a ready-to-show summary. null means unknown, never safe. Free: 10 a day per IP (counted across the HTTP routes and MCP), then $0.008 per call via x402.
| Argument | Type | Description |
|---|---|---|
| quick | boolean | Faster check (about 5 s) with fewer facts; skipped facts are null |
| target* | string | Base 0x token address, wallet address or URL |
| compact | boolean | No summary text, no disclaimer, no null fields |
| amount_usd | number | Your trade size in USD, for the price impact at that size |
{
"type": "object",
"required": [
"target"
],
"properties": {
"quick": {
"type": "boolean",
"description": "Faster check (about 5 s) with fewer facts; skipped facts are null"
},
"target": {
"type": "string",
"description": "Base 0x token address, wallet address or URL"
},
"compact": {
"type": "boolean",
"description": "No summary text, no disclaimer, no null fields"
},
"amount_usd": {
"type": "number",
"description": "Your trade size in USD, for the price impact at that size"
}
}
}Verify an on-chain payment from its transaction hash on Base, Ethereum, Arbitrum, Solana or Bitcoin (chain is detected if omitted). Returns status and verified. pending, unknown and not_found answers are not charged. Free: 1 a day per IP (counted across the HTTP routes and MCP), then $0.003 per call via x402.
| Argument | Type | Description |
|---|---|---|
| chain | string | Omit to auto-detect |
| exact | boolean | |
| token | string | Symbol or contract/mint; default USDC (EVM), SOL, BTC |
| tx_hash* | string | |
| receiver* | string | |
| not_before | string | |
| expected_from | string | |
| expected_amount* | string | Decimal string, human units |
| min_confirmations | integer | Can raise, not lower, the chain default |
{
"type": "object",
"required": [
"tx_hash",
"expected_amount",
"receiver"
],
"properties": {
"chain": {
"enum": [
"base",
"ethereum",
"arbitrum",
"solana",
"bitcoin"
],
"type": "string",
"description": "Omit to auto-detect"
},
"exact": {
"type": "boolean"
},
"token": {
"type": "string",
"description": "Symbol or contract/mint; default USDC (EVM), SOL, BTC"
},
"tx_hash": {
"type": "string"
},
"receiver": {
"type": "string"
},
"not_before": {
"type": "string",
"format": "date-time"
},
"expected_from": {
"type": "string"
},
"expected_amount": {
"type": "string",
"description": "Decimal string, human units"
},
"min_confirmations": {
"type": "integer",
"description": "Can raise, not lower, the chain default"
}
},
"description": "Aliases accepted: network=chain, amount=expected_amount, to|recipient|payTo=receiver, asset=token, txid|signature|hash=tx_hash, from|sender=expected_from"
}