Template-driven WhatsApp with full event visibility

Send approved WhatsApp Business messages at scale. Manage templates, track delivery and read receipts, and handle opt-outs — all from the same API you use for SMS and voice.

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Why Katembe WhatsApp

Enterprise-grade WhatsApp messaging

Template management

Submit, manage, and version WhatsApp Business message templates from a single control plane.

Read receipts

Track message delivery and read events in real time via webhooks.

SMS fallback

Automatically fall back to SMS when WhatsApp delivery fails, with no code changes.

Opt-out handling

Compliant opt-out flows built in — users can stop at any time and you stay compliant.

Templates

Manage templates at any scale

Submit and version WhatsApp Business message templates across languages and regions. Preview, test, and activate templates without leaving the dashboard.

Explore messaging docs

Event visibility

Know exactly what happened to every message

Webhook events for sent, delivered, read, and failed states. Build reliable notification flows with full delivery confidence.

Read the webhooks docs

Simple integration

One API for WhatsApp and SMS

Send WhatsApp messages with the same API call structure as SMS. Change a single parameter — no separate SDK or integration required.

Read the messaging API reference

curl -X POST https://api.katembe.io/v1/messages \
  -H "Authorization: Bearer <api_key>" \
  -d "channel=whatsapp" \
  -d "to=+258840000000" \
  -d "template=payment_confirmed"

"We went from three messaging vendors to one. Katembe's unified API cut our integration complexity in half and improved delivery rates across every market we operate in."

Fatima Ndoye CTO, Sendwave Africa

Pricing

Simple per-message pricing

Pay as you go with no minimums. Volume discounts available for enterprise accounts.

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