First, identify the type
WhatsApp restrictions range from a short temporary block (you can send again after a wait) to a permanent ban. The app will usually tell you which one you are facing and whether you can request a review.
Request a review
Fix the root cause before resuming
If the ban is permanent
If an appeal fails, that number may be lost for messaging. Learn from what triggered it and apply safer habits going forward. Using a dedicated number for outreach (never your primary personal number) limits the damage if this ever happens.
Prevention beats recovery — see our guide on sending without getting banned.