Index onlineMerchant portal
Api Endpoint

Anyway Possible Payment Guard

Verify an x402 purchase before an AI agent signs. Validate the live HTTP 402 challenge, Base network, USDC asset, quoted price, recipient, price ceiling, buyer funding, optional gas reserve, and destination hazards, then receive a machine-readable safe-to-sign, fund, review, or reject decision. No account or API key.

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Offering

Provider
anywaypossible.com
Method
POST
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://anywaypossible.com/api/payment-guard
MIME type
Not provided
First seen
2026-10-16T01:50:10.647Z
Last seen
Tags
agent payment safety, x402 payment safety, verify before paying, Base USDC preflight, safe autonomous payment

Website

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": "0xe5690D37805107C56f6195E65A262b234E0E5e75"
  }
]

Observed health

Status
Healthy
Latest latency
699 ms
Average latency
890 ms
HTTP status
204
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "additionalProperties": false,
  "properties": {
    "body": {
      "properties": {
        "expectedPayTo": {
          "pattern": "^0x[a-fA-F0-9]{40}$",
          "type": "string"
        },
        "maxAmountUsdc": {
          "pattern": "^[0-9]+(\\.[0-9]{1,6})?$",
          "type": "string"
        },
        "minGasReserveEth": {
          "pattern": "^[0-9]+(\\.[0-9]{1,18})?$",
          "type": "string"
        },
        "payerAddress": {
          "pattern": "^0x[a-fA-F0-9]{40}$",
          "type": "string"
        },
        "serviceUrl": {
          "format": "uri",
          "type": "string"
        }
      },
      "required": [
        "payerAddress",
        "serviceUrl",
        "maxAmountUsdc"
      ],
      "type": "object"
    },
    "bodyType": {
      "enum": [
        "json",
        "form-data",
        "text"
      ],
      "type": "string"
    },
    "method": {
      "enum": [
        "POST"
      ],
      "type": "string"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "type": "object"
}

Output schema

{
  "properties": {
    "example": {
      "properties": {
        "alerts": {
          "items": {
            "type": "string"
          },
          "type": "array"
        },
        "asset": {
          "type": "string"
        },
        "checks": {
          "items": {
            "type": "object"
          },
          "type": "array"
        },
        "decision": {
          "type": "string"
        },
        "network": {
          "type": "string"
        },
        "quotedAmountUsdc": {
          "type": "string"
        },
        "quotedPayTo": {
          "type": "string"
        },
        "recommendedAction": {
          "type": "string"
        },
        "riskLevel": {
          "type": "string"
        },
        "safeToSign": {
          "type": "boolean"
        }
      },
      "required": [
        "decision",
        "safeToSign",
        "riskLevel",
        "quotedAmountUsdc",
        "quotedPayTo",
        "network",
        "asset",
        "checks",
        "alerts",
        "recommendedAction"
      ],
      "type": "object"
    },
    "type": {
      "type": "string"
    }
  },
  "required": [
    "type"
  ],
  "type": "object"
}