Send thousands of messages in one campaign through the official Meta API — with smart scheduling, auto-retry and delivery analytics baked in.
Start sending freeAll sends go through Meta Cloud API with approved templates. Your number stays safe.
100K+ row imports with phone validation, duplicate detection and auto country-code tagging.
Send-schedule suggestion picks the best window. Schedule, pause, cancel — all one click.
Failed messages are retried automatically. Failed list exports in one click.
Sent, delivered, read, replied, failed — per campaign, template and segment.
Split-test variants (Pro). Winners picked from real data, not guesses.
CSV or Excel. Validate, dedup, tag by country. Track every skipped row.
Use an approved template or submit a new one via our builder.
Whole list, segment, or filter by tag. Preview exact count.
Upfront per-message cost calculation before you spend.
Send now or schedule. Pause, cancel, duplicate — anytime.
Live delivery funnel. Retry failures with one click.
Sending bulk WhatsApp messages is fully compliant when you use the official Meta Cloud API with approved template messages to contacts who have opted in. ClientFlow4U is built around this model.
We do not support unofficial tools, modified APKs or opt-in-less blasting. Those tactics get numbers banned within days.
Launch your first campaign in under 10 minutes. No credit card, no commitment, no WhatsApp ban risk.
Get started free