Normalise and classify a phone number
GET /v1/accounts/{AC}/lookup/{phone}
This endpoint does not test or return WhatsApp reachability. Required scope: `contacts:read`.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
AC | path · string (AC… SID) | yes | Account SID |
phone | path · string (max 64 chars) | yes |
Errors: 400, 401, 403, 404, 409, 422, 429, 500, 503 — see errors.