Number validation
Available
- What it checks
- Validity and usability of a mobile number.
- Input
- CSV, XLSX or pasted list
- Output
- Valid / Not valid / Undetermined
- Credits per number
- 4
- Minimum batch
- 500
Every check your contact database needs
Two families of services, one upload flow and one wallet. Pick the check that matches the question you need answered.
Number validation
Find out whether a mobile number is valid and usable before you spend anything on it.
Messaging channels
Find out where your contacts are present, so you can pick the right channel instead of trying them all.
Available
- What it checks
- Presence of an active WhatsApp account on the number.
- Input
- CSV, XLSX or pasted list
- Output
- Present / Not present / Undetermined
- Credits per number
- 1
- Minimum batch
- 500
RCS
Available
- What it checks
- Whether the number can receive RCS messages.
- Input
- CSV, XLSX or pasted list
- Output
- Present / Not present / Undetermined
- Credits per number
- 2
- Minimum batch
- 500
Viber
Available
- What it checks
- Presence of an active Viber account on the number.
- Input
- CSV, XLSX or pasted list
- Output
- Present / Not present / Undetermined
- Credits per number
- 1
- Minimum batch
- 500
Telegram
Available
- What it checks
- Presence of an active Telegram account on the number.
- Input
- CSV, XLSX or pasted list
- Output
- Present / Not present / Undetermined
- Credits per number
- 3
- Minimum batch
- 500
iMessage
Available
- What it checks
- Whether the number is reachable through iMessage.
- Input
- CSV, XLSX or pasted list
- Output
- Present / Not present / Undetermined
- Credits per number
- 2
- Minimum batch
- 500
Which check should you pick?
A quick way to match your goal with the right service.
| You want to clean a list of numbers | Number validation |
|---|---|
| You want to know who is on WhatsApp | WhatsApp check |
| You want to segment by rich messaging | RCS check |
| You want to segment by app audience | Viber, Telegram or iMessage checks |
The same workflow for every service
- 1
Upload or paste
Bring a CSV or XLSX file, or paste your numbers straight into the box.
- 2
Pick the check
Choose number validation or a channel check for the whole list.
- 3
Review before you confirm
You see valid rows, duplicates and the exact credit cost before the job starts.
- 4
Download the results
Export a CSV with a result per row and reuse it in your CRM or campaign tool.
One universal wallet
Every service in the catalogue draws on the same credit balance. The cost per number is defined per service and displayed before you confirm a job, so you can compare options without guessing.
Guides 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.
- Phone number validation and HLR lookup: how to clean a database
- WhatsApp number checker: find out in bulk which contacts you can reach
- Viber number checker: find out in bulk which contacts you can reach
- RCS number checker: find out in bulk which contacts you can reach
- iMessage number checker: find out in bulk which contacts you can reach
- Telegram number checker: find out in bulk which contacts you can reach
Not sure where to start?
Most teams validate the list first, then run a WhatsApp check on the numbers that survived.