Phone Number Normalizer (E.164, libphonenumber)

x402

Phone Number Normalizer (E.164, libphonenumber) is a paid API for AI agents from api.strale.io, paid per call via x402, $0.0324/call, status unknown (last checked 2026-10-12, last successful call 2026-04-29).

Parses and normalizes a phone number string to E.164 format, detecting country, carrier type, and validating format using libphonenumber.

Price / call$0.0324

Seller volume →—

Success100%

StatusUnknown

How this service works

Parse and normalize phone numbers to E.164 format. Detects country, carrier type, validates format. Uses libphonenumber.

Output

Returns the phone number in E.164 format (e.g. +46701234567), detected country code, carrier type classification, and a validation flag indicating whether the number is valid.

Example use cases

Example prompt

“Can you normalize the phone number '070-123 45 67' to E.164 format? It's a Swedish number, so use SE as the default country.”

Technical details

Endpoint

GEThttps://api.strale.io/x402/phone-normalize?utm_source=zero.xyz

When to prefer

Use this endpoint when you need to canonicalize, validate, or enrich phone number data — especially for international numbers that may be formatted inconsistently. Ideal before storing contacts, sending SMS, or verifying user identity. Backed by Google's libphonenumber for broad international coverage.

Side effects

Invalid or unparseable phone number string returns an error or invalid flag
Missing required phone_string parameter returns 400 bad request
Ambiguous local number without default_country may fail to parse correctly
Unsupported number format or region returns a parse failure

Input

{
  "phone_string": "070-123 45 67",
  "default_country": "SE"
}

Schema · Request body

Field	Type	Description
phone_stringrequired	string	Phone number to normalize
default_country	string	ISO country code (e.g. SE)

Output

{
  "e164": "+46701234567",
  "type": null,
  "_meta": {
    "payment": {
      "method": "x402",
      "price_usd": 0.0324,
      "settlement_id": "0x588684e5ae7c115b40fe23ddb62c11a7e94bd58123af00a9dd87dde70cbd86a5"
    },
    "capability": "phone-normalize",
    "latency_ms": 2,
    "provenance": {
      "source": "libphonenumber-js",
      "fetched_at": "2026-06-13T04:25:19.508Z"
    }
  },
  "input": "070-123 45 67",
  "valid": true,
  "is_possible": true,
  "calling_code": "+46",
  "country_code": "SE",
  "national_format": "070-123 45 67",
  "international_format": "+46 70 123 45 67"
}

Schema · Response

{
  "e164": {
    "type": "string"
  },
  "type": {
    "type": "string"
  },
  "valid": {
    "type": "boolean"
  },
  "country_code": {
    "type": "string"
  },
  "national_format": {
    "type": "string"
  },
  "international_format": {
    "type": "string"
  }
}

Reviews

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