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Realtime checks

One number or several in one request, answered in the same session.

WhatsApp Registration CheckWhatsApp Avatar CheckWhatsApp Business Account Check

Async bulk checks

Upload a whole file, download the result when it finishes.

WhatsApp Bulk Registration CheckWhatsApp Bulk Avatar CheckWhatsApp Bulk Business CheckWhatsApp Bulk Activity Check
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Terms

Terms of Service

These terms describe permitted use, balance usage, customer responsibilities, and service availability for WA Lookup.

Last updated: July 20, 2026

1. Service use

WA Lookup provides realtime checks (a single number or up to 500 numbers in the dashboard; a single number or up to 100 numbers via the API) and asynchronous bulk checks (upload a file as a task, from 1,000 numbers, where you choose the country the numbers belong to on submission and the list should be essentially that one country).

2. Balance

Permanent balance is charged per completed validation according to the selected product. 30-day plan balance is spent first and expires after its current 30-day period. Failed or undetermined checks return the reservation to the same wallet. Permanent top-ups are one-time purchases; 30-day plans renew automatically every 30 days until auto-renewal is turned off.

3. Customer responsibility

Customers are responsible for lawful use of phone validation data and protecting their API keys.

4. Acceptable use

Do not use the service to facilitate spam, harassment, unlawful surveillance, credential sharing, attempts to bypass limits, or interference with the service. A validation result does not grant permission to contact a person.

5. Result interpretation

Results describe the status returned at the time of a check. They are not proof of identity, ownership, consent, deliverability, or future availability and should not be used as the sole basis for a high-impact decision.

6. Availability

Results may be affected by external service availability. Maintenance or check-service errors may temporarily prevent a response.

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WA Lookup

WhatsApp number validation for teams and developers: a SaaS dashboard and a realtime REST API.

Contact: support@walookup.com

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  • WhatsApp Registration Check
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  • WhatsApp Business Account Check
  • WhatsApp Bulk Registration Check
  • WhatsApp Bulk Avatar Check
  • WhatsApp Bulk Business Check
  • WhatsApp Bulk Activity Check

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