HLR lookup
GET https://www.lightsms.com/external/get/hlr.php
Perform Home Location Register (HLR) lookup for a phone number.
HLR lookup verifies if a phone number is active and reachable, helping you maintain clean contact lists and reduce costs from invalid numbers.
Authorization​
This endpoint requires authentication using login, signature, and timestamp parameters.
See the Authentication documentation for more details.
AUTHORIZATION: HTTP
REQUEST
Base URL
https://www.lightsms.com
Query Parameters
loginREQUIREDYour LightSMS account login
signatureREQUIREDRequest signature for authentication
phoneREQUIREDPhone number(s) - comma-separated (max 100)
timestampREQUIREDUTC timestamp of the request
returnResponse format (json or xml)
RESPONSE
HLR lookup completed
{}