Phone number validation and HLR lookup: how to clean a database
Number validation checks whether a mobile line exists and is usable before you spend on SMS, calls or messaging campaigns. It is the first check to run on any list.
Read the guideGuides to verifying and cleaning phone number lists
How to tell which numbers are valid, which channels your contacts can actually be reached on, and how to use the results to lower campaign costs. Every guide explains the check, the possible outcomes and the most common mistakes.
WhatsApp number checker: find out in bulk which contacts you can reach
The WhatsApp check tells you, number by number, whether the number is linked to an active WhatsApp account. It is the step that separates a raw list from a list worth spending messages, time and budget on.
Read the guideViber number checker: find out in bulk which contacts you can reach
The Viber check tells you, number by number, whether the number is linked to a Viber account. It is the step that separates a raw list from a list worth spending messages, time and budget on.
Read the guideRCS number checker: find out in bulk which contacts you can reach
The RCS check tells you, number by number, whether the number is compatible with RCS messaging. It is the step that separates a raw list from a list worth spending messages, time and budget on.
Read the guideiMessage number checker: find out in bulk which contacts you can reach
The iMessage check tells you, number by number, whether the number is reachable on iMessage. It is the step that separates a raw list from a list worth spending messages, time and budget on.
Read the guideTelegram number checker: find out in bulk which contacts you can reach
The Telegram check tells you, number by number, whether the number is linked to a Telegram account. It is the step that separates a raw list from a list worth spending messages, time and budget on.
Read the guideRun a check on your own list
Create an account, upload a CSV and see the credit cost before you confirm. One wallet covers every service.