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Request access
Check if a mobile number has an active WhatsApp account and whether it is a business account, so candidate invites, reminders and notifications go through the channel the person actually uses.
Your application sends
emver API
Validates the request, queries the source, normalises the answer and logs the call. Billed only on success.
Verified with
Authoritative source
You receive
Send the number; receive WhatsApp availability, account type and, where available, the business display name.
Know whether a number is reachable on WhatsApp before you message it.
Send invites over WhatsApp only where they will land.
No wasted template messages to unreachable numbers.
Where the WhatsApp Number Check API is typically called, and what it settles there.
Choose WhatsApp or SMS for each invite.
Reachability before campaigns.
Request and response details, environments and a ready-to-import collection are in the developer console.
Call with your organisation API key. Sandbox and production use the same contract.
Mobile number as a JSON body. Optional fields sharpen the match.
emver queries the authoritative record, normalises the answer and logs the request.
A verification status plus the fields listed above, in the same response envelope as every other API.
Privacy and security built in
Consent recorded · Payloads not retained beyond your retention window · Every request traceable
FAQ
What teams ask before adding the WhatsApp Number Check API to their integration.
No. It is a silent reachability check.
Usually called with the WhatsApp Number Check API, on the same key.
Contact & Address
Confirm a mobile number is active, who it is registered to and which network serves it.
Contact & Address
Operator, circle, connection type and porting status for any Indian mobile number.
Contact & Address
Check an email address is deliverable, not disposable and consistent with the person.
Tell us which APIs and what monthly volume. We set up your organisation, approve the APIs with demo hits and share per-call pricing.