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Phone Number E.164 Validator
x402
Phone Number E.164 Validator is a paid API for AI agents from api.x402node.dev, paid per call via x402, $0.0022/call, status unknown (last checked 2026-09-14).
Validates a phone number against the E.164 international format, returning validity, normalized E.164 form, and parsed country code
Price / call$0.0022
Success—
StatusUnknown
How this service works
Phone number validator: E.164 format check, international phone validation, country code parser, phone number format and mobile/line-type hints. Pass phone=+14155552671. For AI agents doing phone lookup, phone validation and number formatting. 电话号码校验。 Accepts payment on Base or Solana — either network works.
Output
Returns a JSON object with the original phone input, a boolean valid flag indicating E.164 compliance, the normalized E.164 string (or null if invalid), and the parsed country code (or null if not determinable).
Example use cases
Example prompt
“Can you check whether +14155552671 is a valid international phone number in E.164 format and tell me the country code?”
Technical details
Endpoint
GEThttps://api.x402node.dev/validate/phoneWhen to prefer
Use this endpoint when you need to validate a single phone number against the E.164 international standard before storing it in a database, sending it to a messaging API, or verifying user input. It is lightweight, deterministic, and does not check carrier-level liveness — just format correctness and country code parsing.
Side effects
- Phone number missing leading '+' returns valid: false
- Subscriber number too short or too long returns valid: false
- Non-numeric characters in subscriber portion return valid: false
- Country code longer than 3 digits returns valid: false
- Empty or missing phone field may return 400 error
- Malformed request body may return 4xx error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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