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Zexa is an omnichannel messaging platform built for businesses that need to reach their customers across multiple channels — SMS, WhatsApp, Telegram, Email, and Slack — from one unified place. Whether you’re sending transactional notifications, running marketing campaigns, or automating customer communications, Zexa gives you the tools and API to do it at scale.

Quick Start

Send your first message in under 5 minutes. Set up your account, get your API key, and start messaging.

API Reference

Explore the full REST API. Authenticate, send messages, manage contacts, and handle webhooks.

Channels

Learn how to configure and use each messaging channel — SMS, WhatsApp, Telegram, Email, and Slack.

Campaigns

Create and launch broadcast campaigns to your contact lists with delivery tracking and analytics.

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Get started in 3 steps

1

Create your account

Sign up at app.zexa.ao with your company NIF or ID, email address, and phone number. Your account is ready to use immediately after registration.
2

Add credits and pick a channel

Top up your credit balance from the Billing section. Then activate the messaging channel you want to use — SMS, WhatsApp, Telegram, Email, or Slack.
3

Send your first message

Use the dashboard to send a test message, or call the REST API with your API key to start integrating Zexa into your application.

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Explore by topic

SMS

Reach any mobile number globally with reliable SMS delivery.

WhatsApp

Send rich messages via the world’s most popular messaging app.

Telegram

Engage users with Telegram bots and broadcast channels.

Email

Deliver transactional and marketing emails at scale.

Slack

Send notifications and alerts directly to Slack workspaces.

Contacts

Import, manage, and segment your audience for targeted messaging.
Need help? Contact us at suporte@zexa.ao or browse the FAQ for quick answers.