Api Endpoint

nsgoods Preflight (OFAC, trust)

About to pay an address? One call returns three separately signed checks: can it receive the payment, is it on the OFAC SDN list, and its ERC-8004 trust record. No blended score. $0.015 in USDC on Base. Free preview: GET /preflight/preview

Open interactive test console

Offering

Provider: x402.nsgoods.org
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://x402.nsgoods.org/preflight
MIME type: application/json
First seen: 2026-10-16T01:50:10.647Z
Last seen: 2026-11-02T10:10:33.026Z
Tags: preflight, payment, OFAC, ERC-8004, Trust

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.015 USDC
Atomic price: 15000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "15000",
    "payTo": "0xc87a06DEE4c0E85912296002617120BBfd5EF990"
  }
]

Observed health

Status: Healthy
Latest latency: 14 ms
Average latency: 998 ms
HTTP status: 402
Last checked: 2026-11-02T10:10:33.022Z
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

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "address": {
          "type": "string",
          "description": "Subject EVM address (0x-hex)."
        },
        "chain": {
          "type": "string",
          "description": "CAIP-2 chain of the subject, e.g. eip155:8453."
        },
        "role": {
          "type": "string",
          "description": "One of payer, payee, escrow_destination."
        }
      },
      "required": [
        "address",
        "chain",
        "role"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "address": {
              "description": "Subject EVM address (0x-hex).",
              "type": "string"
            },
            "chain": {
              "description": "CAIP-2 chain of the subject, e.g. eip155:8453.",
              "type": "string"
            },
            "role": {
              "description": "One of payer, payee, escrow_destination.",
              "type": "string"
            }
          },
          "required": [
            "address",
            "chain",
            "role"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "components_evaluated": {
              "type": "integer"
            },
            "envelope": {
              "type": "object"
            },
            "schema_version": {
              "type": "string"
            }
          },
          "required": [
            "schema_version",
            "components_evaluated",
            "envelope"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}