Index onlineMerchant portal
Api Endpoint

postcode-api-production.up.railway.app

Validate a UK postcode and report its normalised form, format validity, and whether it is currently active.

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Offering

Provider
postcode-api-production.up.railway.app
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Location And Travel
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://postcode-api-production.up.railway.app/lookup/validate
MIME type
Not provided
First seen
2026-10-16T01:53:06.460Z
Last seen
Tags
None supplied

Website

Payment pricing

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

Payment option 1
0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0xFFc458dB291b4ABcE020fE3de4f91F2770E537b1"
  }
]

Observed health

Status
Reachable
Latest latency
103 ms
Average latency
543 ms
HTTP status
405
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

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "POST",
        "PUT",
        "PATCH"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "type": "object",
      "properties": {
        "postcode": {
          "type": "string",
          "description": "UK postcode to validate; spacing and case are normalised, e.g. 'SW1A 1AA'."
        }
      },
      "required": [
        "postcode"
      ]
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object",
      "properties": {
        "input": {
          "type": "string"
        },
        "normalized": {
          "type": "string"
        },
        "valid_format": {
          "type": "boolean"
        },
        "active": {
          "type": "boolean"
        },
        "type": {
          "type": "string",
          "description": "One of 'active', 'valid_format_inactive', or 'invalid'."
        }
      }
    }
  },
  "required": [
    "type"
  ]
}