On WhatsApp? Know before you send.
Upload your list and Ankarex checks, number by number, which ones have an active WhatsApp account. You separate the active ones and your next campaign reaches people who can read it.
- €1.20 per 2,000 valid numbers
- Up to 2,000,000 numbers per batch
- Anything that cannot be checked goes back to your balance
One clear answer per number.
Every number on your list comes back with a status. No estimates: the check runs number by number.
- 01
On WhatsApp
The number has an active WhatsApp account. It is the one you keep for your next step.
- 02
Not on WhatsApp
The number has no account. You set it aside and stop spending on people who will not get it on that channel.
- 03
A clean list before you pay
Duplicates, mistyped numbers and blocklisted ones are dropped before the quote. They are not charged.
- 04
30-day cache
If a number was checked in the last 30 days, that result is reused at the same price and the answer is instant.
From list to result, without waiting.
Checks run in their own queue. You can switch sections or close the console: the batch carries on.
- 01
Upload your list
Paste the numbers with their international prefix or upload a CSV or TXT file.
- 02
Review the cost
See how many numbers are valid and unique and what it costs before you confirm anything.
- 03
The queue checks
Every number is checked in the background and the progress updates live.
- 04
Filter and export
Filter by "On WhatsApp" and download only the active numbers, as CSV or TXT.
If checks are paused for maintenance, your batch waits in the queue and starts on its own as soon as they resume.
You pay for what is checked.
One price per valid number, no fees or minimums. The cost is reserved when you confirm, and anything that cannot be checked goes back to your balance when the batch finishes.
- Duplicates, invalid and blocklisted: free
- Unchecked numbers: automatic refund
- No subscription: you use your usual balance
Paste a list and see what would happen.
This demo runs in your browser with invented answers: it checks nothing and charges nothing. It shows how the list is cleaned and what it would cost.
- Received
- 9
- Valid and unique
- 7
- Duplicates
- 1
- Invalid
- 1
Cost of the check€0.00
Press check to see the answer for each number.
Build it into your flow.
The same as in the console, from your own application: ask for the quote, create the batch and download the results when it finishes.
Your API key needs whatsapp:read to read and whatsapp:write to create batches.
- POST
/v2/whatsapp/quoteQuote - POST
/v2/whatsapp/jobsCreate batch - GET
/v2/whatsapp/jobs/{id}Batch status - GET
/v2/whatsapp/resultsResults - GET
/v2/whatsapp/results/downloadDownload
/v2/whatsapp/quote{
"numbers": [
"+34612345678",
"+34699201554"
]
}What people usually ask us.
01What exactly does it check?
Whether each number on your list has an active WhatsApp account. It sends no message to the number and does not notify its owner.
02How much does it cost?
€1.20 per 2,000 valid, unique numbers (€0.0006 per number). Duplicates, invalid and blocklisted numbers are not charged.
03What if a number cannot be checked?
It is marked as not checked and its amount goes back to your balance when the batch closes. You only pay for what gets an answer.
04How many numbers can I upload?
Up to 2,000,000 numbers per batch. You can create as many batches as you need; each one is checked in the background.
05Can I export only the numbers on WhatsApp?
Yes. Filter by "On WhatsApp" and download the result, with every field or the numbers only.
Your next campaign, only to those who read it.
Create your account, add balance and verify your first list in minutes.