Service use
WA Checker provides single-number WhatsApp validation tools through a web dashboard and API.
Terms
Terms of Service
These terms describe permitted use, credit billing, customer responsibilities, and service availability for WA Checker.
Last updated: June 22, 2026Credits
Credits are charged per completed validation according to the product selected. Failed or undetermined upstream results are refunded.
Customer responsibility
Customers are responsible for lawful use of phone validation data and protecting their API keys.
Availability
The service may depend on upstream availability. Maintenance and failed upstream checks may affect validation responses.
Need help?
Contact support if you need account, billing, or integration assistance.