Index onlineMerchant portal
Api Endpoint

Phone number check

Use when an agent must decide whether a phone number is usable before writing or calling: checks it offline, normalises it to E.164, works out its country (including the twelve calling codes shared by several countries) and validates the national length against that country's numbering plan, returning the tel: URI and the national dialling form. Data from Google's libphonenumber, no network call, so it cannot fail because a third party is down.

Open interactive test console

Offering

Provider
flat-rate-llm.kikoribera03.workers.dev
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
General Utilities
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://flat-rate-llm.kikoribera03.workers.dev/v1/util/phone
MIME type
Not provided
First seen
2026-10-16T01:50:19.913Z
Last seen
Tags
phone validation, phone number check, validate phone, e164, phone formatting, country code, msisdn, numbering plan, libphonenumber, contact cleaning, list cleaning, CRM data quality

Website

Payment pricing

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

Payment option 1
0.005 USDC
Atomic price: 5000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.005 USDC
Atomic price: 5000 · Network: eip155:137 · Asset: USDC · Scheme: exact
Payment option 3
0.005 USDC
Atomic price: 5000 · Network: eip155:42161 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "payTo": "0xc210Ea7D5692a6401ADf25BbCB7aCDe9cDB7e9Ff"
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "5000",
    "payTo": "0xc210Ea7D5692a6401ADf25BbCB7aCDe9cDB7e9Ff"
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "5000",
    "payTo": "0xc210Ea7D5692a6401ADf25BbCB7aCDe9cDB7e9Ff"
  }
]

Observed health

Status
Healthy
Latest latency
692 ms
Average latency
483 ms
HTTP status
402
Last checked
Reachability
92.9% 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"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "phone": {
          "type": "string",
          "description": "The phone number, in any usual notation: +34 612 34 56 78, 0034612345678, (612) 345-678."
        },
        "country": {
          "type": "string",
          "description": "Optional ISO 3166-1 alpha-2 country, e.g. ES. Only used when the number carries no country code."
        }
      },
      "required": [
        "phone"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "country": {
              "description": "Optional ISO 3166-1 alpha-2 country, e.g. ES. Only used when the number carries no country code.",
              "type": "string"
            },
            "phone": {
              "description": "The phone number, in any usual notation: +34 612 34 56 78, 0034612345678, (612) 345-678.",
              "type": "string"
            }
          },
          "required": [
            "phone"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}