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
307 published articles match this hub.
WhatsApp 1 min
Peru +51 Shared and Business Phones: One Avatar Does Not Equal One Person
Handle WhatsApp avatar observations for Peru +51 shared household and business phones without binding one image automatically to one customer identity.
Read guideWhatsApp 1 min
Guinea +224 WhatsApp Avatars: Do Not Mix Guinea-Bissau or Equatorial Guinea
Use country evidence and numbering plans to separate Guinea, Guinea-Bissau and Equatorial Guinea before interpreting WhatsApp avatar blanks.
Read guideWhatsApp 1 min
Gabon +241 WhatsApp Full Format Supplier Acceptance Beyond Return Rate
Accept a Gabon +241 WhatsApp Full Format delivery through provenance, formatting, field-family missingness, mapping conflicts and deletion execution.
Read guideWhatsApp 1 min
Write a Data Contract Before Importing Vietnam +84 WhatsApp Full Format
Define names, states, versions and access for Vietnam +84 WhatsApp Full Format without flattening it into Zalo or other platform data.
Read guideWhatsApp 1 min
Sudan +249 WhatsApp Avatar Delivery: Why Sales Should Not Receive Images by Default
Deliver Sudan +249 WhatsApp avatar results as observation states and timestamps by default, opening images only for controlled short-term review.
Read guideWhatsApp 1 min
Mauritania +222 Demographics: A Partner-Heavy Sample Is Not a National Profile
Label source weight, unknowns and coverage limits in a multi-source Mauritania +222 WhatsApp Gender and Age report.
Read guideWhatsApp 1 min
Run Namibia +264 Avatar Checking Only After Country Evidence Is Recovered
Connect Namibia +264 country-evidence recovery and WhatsApp avatar observation as two stages so guessed phones are not profiled.
Read guideWhatsApp 1 min
North Macedonia +389 WhatsApp Avatars: Transliteration Cannot Verify Identity
Separate North Macedonia +389 phones, name transliteration and WhatsApp avatar observations without using spelling similarity to verify identity or language.
Read guideWhatsApp 1 min
Spain +34 WhatsApp Full Format: Give Every Excel Column Lineage and Expiry
Assign column-level provenance, purpose, access and expiry to Spain +34 WhatsApp Full Format instead of importing the entire workbook into CRM.
Read guideWhatsApp 1 min
Many Blank Avatars in a Guatemala +502 Partner List May Be a Source Problem
Investigate blank avatars in Guatemala +502 lists by partner and collection batch, separating format, age, visibility and task unknowns.
Read guideWhatsApp 1 min
Run a Counterfactual Check Before Using Botswana +267 WhatsApp Demographics
Use counterfactual questions to test whether Botswana +267 WhatsApp demographic segmentation creates unjustified differences and preserve small-sample unknowns.
Read guideWhatsApp 1 min
Sri Lanka +94 WhatsApp Gender and Age: Define Bands Before Seeing Results
Freeze age bands, unknown states and minimum-cell rules before reviewing Sri Lanka +94 WhatsApp profile results.
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.
