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Official API · WhatsApp Broadcasts

Broadcast official WhatsApp messages to thousands at once

Send Meta-approved template messages to segmented audiences. Schedule campaigns, track delivery and read rates, and stay compliant—without manual copy-paste or unofficial bulk tools.

Start broadcasting freeBook live demo
Template-approved sendsAudience segmentationDelivery & read analytics

Why teams choose official WhatsApp broadcasts

Reach customers on the channel they open most, with provable delivery and campaign ROI.

98%

WhatsApp open rates

Outperform email and SMS on the messaging app customers check dozens of times a day.

10k+

Contacts per campaign

Send to large segmented lists in one approved broadcast—no throttled unofficial tools.

99%

Delivery rate

Track sent, delivered, and read events through Meta's official Business API.

5×

Campaign ROI lift

Promotions and re-engagement campaigns that convert on high-intent WhatsApp threads.

Campaign toolkit

Everything you need to run compliant broadcasts

From approved templates to audience filters and analytics—one workspace for high-volume WhatsApp campaigns.

Templates

Meta-approved message templates

Create, submit, and reuse WhatsApp templates with variables, media headers, and quick-reply buttons.

Audience

Segmentation & contact lists

Filter by tags, custom fields, last activity, or import CSV lists—send only to opted-in contacts.

Schedule

Send now or schedule ahead

Launch immediately or pick date, time, and timezone so promos land when customers are most likely to read.

Analytics

Delivery, read & click tracking

See sent, delivered, read, and button taps per campaign—export results or sync outcomes to your stack.

Compliance

Opt-in & policy guardrails

Respect WhatsApp opt-in rules, category limits, and template tiers—reduce blocks and quality-rating hits.

Personalization

Dynamic template variables

Insert name, order ID, appointment time, or custom fields so bulk sends still feel one-to-one.

Broadcasts teams run every week

Proven campaign patterns for sales promos, product launches, utility alerts, and retention—customize in minutes.

32%

higher promo conversion

Sales campaigns

Promotions & flash offers

Push limited-time discounts and bundle deals to tagged buyer lists with trackable CTA buttons.

  • Segment by purchase history or tags
  • Template buttons for shop-now links
  • Read-rate reporting per offer

4×

faster reach vs email

Product launch

Announcements at scale

Introduce new products, features, or locations to thousands of opted-in subscribers in one send.

  • Media-rich template headers
  • Schedule for launch-day timing
  • A/B copy with separate lists

99%

delivery on utility sends

Utility alerts

Transactional broadcasts

Send order updates, appointment reminders, and account notices on approved utility templates.

  • Utility vs marketing categories
  • Variable fields from your CRM
  • Automatic retry on soft failures

18%

win-back rate lift

Retention

Re-engagement & win-back

Nudge inactive customers, renewals, and loyalty perks before they churn to competitors.

  • Filters for last-seen or lapsed buyers
  • Personalized coupon variables
  • Follow-up sequences from inbox
Get started

Launch your first broadcast in four steps

Connect WhatsApp, pick a template, choose your audience, and send—most teams go live the same day.

~2 min

Step 1

Connect WhatsApp WABA

Link your official business number through Messlo's Meta Cloud API onboarding.

  • Verified Business API partner
  • Keep your existing number
  • Template messaging ready
Next
~10 min

Step 2

Choose or create a template

Pick an approved template or submit a new one with variables, media, and buttons for your campaign.

  • Template library & drafts
  • Variable preview before send
  • Category & compliance hints
Next
~5 min

Step 3

Build your audience

Select tags, filters, or upload a list—see estimated reach and opt-in status before you schedule.

  • Tag & field segmentation
  • CSV import with dedupe
  • Opt-in validation checks
Next
Instant

Step 4

Send or schedule

Launch the broadcast now or schedule it. Track sent, delivered, and read counts in real time.

  • One-click send or schedule
  • Live delivery dashboard
  • Pause or duplicate campaigns
Campaign live

Broadcasts deliver to every opted-in contact

Once you launch, Messlo queues messages through the official API—tracking delivery and reads without manual sends.

8.4k

messages sent

8.2k

delivered

6.1k

read

Open Message Campaigns

Example campaign path

AudienceVIP buyers · 2,400
TemplateSummer sale · 20% off
ScheduleFri 10:00 AM GST
SentTracking reads live

Audience → template → schedule → sent—every broadcast follows the same clear, compliant workflow.

Compare

Broadcast campaigns

One-to-many template sends

Shared Team Inbox

One-to-one conversations

Best for
Promos, launches, alerts at scale
Sales chats & support replies
How it works
Approved templates to segmented lists
Agents reply in shared threads
Control
Exact copy & send timing you set
Human tone per conversation
Ideal use
Marketing & utility broadcasts
Qualification, objections, handovers

Use both—broadcasts for reach, inbox for conversations. Explore Shared Team Inbox →

Official API

Built on WhatsApp Business API—not gray-area bulk tools

Messlo is a Meta Cloud API partner. Your broadcasts run on approved channels with template compliance, opt-out handling, and account safety built in.

GDPR readyOfficial WABATemplate compliant

Template lifecycle management

Draft, submit, track approval status, and version templates without leaving Messlo.

Opt-out & suppression lists

Honor STOP requests and suppressed contacts automatically—protect quality rating and compliance.

Campaign analytics

Delivery funnels, read rates, and button clicks per broadcast—optimize the next send with data.

Multi-workspace

Run separate campaigns per brand, region, or WABA number from one Messlo account.

WhatsApp Broadcast FAQ

Common questions about sending bulk WhatsApp campaigns in Messlo.

Yes. Messlo sends approved template messages to segmented, opted-in lists through the official WhatsApp Business API—at scale, with delivery and read tracking.

Your customers are on WhatsApp. Meet them there.

Start your free trial and see how easy WhatsApp marketing can be.

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