K katembe
Contact sales

Stripe for communications

Communications infrastructure for modern applications

Build messaging, verification, voice, email, and webhook workflows on a single API surface.

Start building API reference

Products

Delivery, trust, and orchestration primitives

Voice

Fallback voice delivery for high-importance alerts and spoken OTP flows.

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Email

Send transactional email alongside messaging and verification journeys.

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Webhooks

Event delivery for message status, verification outcomes, and operational automation.

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Solutions preview

Patterns for real operating teams

  • Authentication journeys with OTP and phone checks
  • Transactional messaging with observable delivery state
  • Agentic commerce flows with approval and retry guardrails
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Developer quickstart

Ship the first request fast

Create an account, generate a test key, send your first message, then add a webhook endpoint for status updates.

Open quickstart
curl -X POST https://api.katembe.io/v1/messages \
  -H "Authorization: Bearer <api_key>" \
  -H "Content-Type: application/json" \
  -d '{
    "to": "+258840000000",
    "message": "Hello"
  }'

Integrations

Plugs into the tools your team already uses

Twilio migration

Map existing messaging traffic into katembe with compatible webhook events.

Shopify

Trigger order notifications, delivery alerts, and return updates.

Salesforce

Send account verification and renewal reminders from CRM workflows.

Segment

Forward lifecycle events into messaging and verification journeys.

Start building today

Integrate messaging, verification, and voice workflows in minutes with our developer-first API.

Start building Contact sales