What is WhatsApp number checking?
It applies a selected WhatsApp check to a lawfully obtained number list and returns structured results aligned with the source data.
WhatsApp Hub
WhatsApp Number Checking Research and Guides
Practical guidance for WhatsApp registration, fast registration, high-precision registration, activity, gender and age, avatar, and full-format checks, from reliable TXT input to task selection and result interpretation.
Latest guides
315 published articles match this hub.
WhatsApp 1 min
Dominican Republic WhatsApp Activity: Cleaning Mixed 809, 829 and 849 Lists
Work through a mixed Dominican Republic contact list: isolate +1 809/829/849 numbers, prevent spreadsheet damage, run WS Activity, and return dated results to the CRM without guessing.
Read guideWhatsApp 1 min
Svalbard WhatsApp Activity: Review +47 Contacts Through Time-Stamped Cohorts
Svalbard contacts use Norway’s +47 numbering plan. Learn how to classify number types, separate project sources, and interpret WhatsApp activity fields as dated cohorts rather than regional behaviour.
Read guideWhatsApp 1 min
Christmas Island WhatsApp Checks: Reconciling a CX Label with +61 Numbers
Christmas Island uses Australia’s +61 telephone system while CX remains a geographic label. Learn how to preserve provenance, normalize fixed and mobile numbers, and interpret registration results.
Read guideWhatsApp 1 min
Cuba WhatsApp Registration Checks: From +53 Number Format to Usable Segments
Prepare eight-digit Cuban +53 numbers, run a WhatsApp registration check, and separate registered, unregistered, and review records without confusing registration with activity or consent.
Read guideWhatsApp 1 min
Cuba WhatsApp Activity Screening: Building Comparable Cohorts from +53 Numbers
Use Cuba’s 2024 eight-digit numbering plan to prepare +53 mobile candidates, run the four-field WS activity task, and compare dated cohorts without converting unknowns into inactive users.
Read guideWhatsApp 1 min
Bouvet Island WhatsApp Registration: Do Not Treat BV as a Calling Code
Model Bouvet Island geography, the real telephone numbering plan and a WhatsApp registration result as separate fields. This guide explains +47 attribution, TXT preparation and responsible reporting for BV-labelled records.
Read guideWhatsApp 1 min
Why a Bouvet Island Phone List Is Suspicious: Audit the Country Label Before WhatsApp Screening
Bouvet Island is not an ordinary consumer telephone market. Learn how to separate a BV geographic label from the real number plan, quarantine contradictory records, and decide whether any lawful record belongs in a WS activity task.
Read guideWhatsApp 1 min
Isle of Man WhatsApp Registration Checks: What a 07624 Result Actually Means
Separate Isle of Man 07624 attribution from WhatsApp registration status, prepare +44 7624 numbers correctly, and interpret the two-field WS registration export without adding unsupported activity or identity claims.
Read guideWhatsApp 1 min
UK WhatsApp Activity Screening: Building Auditable Cohorts from +44 Lists
Prepare a UK +44 list for WhatsApp activity screening, reconcile mapped numbers, and interpret activity time and active days as dated observations rather than permanent customer labels.
Read guideWhatsApp 1 min
Switzerland WhatsApp Activity Screening: Turning +41 Results into Time-Bounded List Segments
Prepare Swiss +41 numbers for a WhatsApp activity task, interpret activity time and active days, and build auditable cohorts without equating online presence with consent or message reads.
Read guideWhatsApp 1 min
Suriname WhatsApp Demographic Screening After the 2026 +597 Numbering Update
Prepare Suriname +597 records under the updated six-to-eight-digit numbering plan, then interpret the age, gender, picture and mapped-number columns without erasing unknown values.
Read guideWhatsApp 1 min
Slovak WhatsApp Avatar Screening: Distinguishing Visible, Hidden and Unmatched +421 Records
A Slovakia-focused WhatsApp avatar workflow that separates +421 from Czech +420 data, reconciles mapped numbers, and treats missing profile pictures as unknown rather than unregistered.
Read guideFrequently asked questions
Which upload format is supported?
The current workflow accepts TXT files. Use one normalized phone number per line.
Where can I confirm currently supported fields?
Check the WhatsApp product page and signed-in dashboard for live task types, fields and credit usage.
