GET
$0.0011 default
/api/v1/preflightDescription
Is this x402 endpoint safe to pay? Check it before your AI agent pays: go / caution / no_go, the recommended payment option, and why (payment would fail, over your budget, price above advertised, not HTTPS, unknown token). Never pays the endpoint. Cached 10 min.
Pricing
$0.0011 default
Parameters
{
"properties": {
"max_usd": {
"description": "Your budget per call in USD; above it the verdict is no_go.",
"type": "string"
},
"method": {
"description": "HTTP method you will call it with. Default: try GET, then POST.",
"enum": [
"GET",
"POST"
],
"type": "string"
},
"network": {
"description": "CAIP-2 network you want to pay on, e.g. eip155:8453 or solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp.",
"type": "string"
},
"url": {
"description": "The x402 endpoint you are about to pay.",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
}Example response
{
"cached": false,
"checked_at": "2026-09-23T17:00:00.000Z",
"method": "GET",
"options": [
{
"amount": "20000",
"asset_symbol": "USDC",
"index": 0,
"network": "eip155:8453",
"network_name": "Base",
"pay_to": "0x6B0F4651eD42893ab58139938175E4a69f175F25",
"payable": true,
"problems": [],
"usd": 0.02
}
],
"reasons": [],
"recommended_option": 0,
"safe_to_pay": true,
"signals": {
"advertised_price_usd": 0.02,
"https": true,
"listed_in_cdp_bazaar": false
},
"summary": "OK to pay: $0.02 on Base.",
"url": "https://ichimoku-signal.fizzl.eu/signal/BTC-USDT",
"verdict": "go"
}