For the complete documentation index, see llms.txt. This page is also available as Markdown.

Quick start guide (SMS)

To get started with sending SMS messages, follow the below steps: Step 1: Create and access your account.

Register for a free Clickatell account, verify it, and log in to access your workspace.

Step 2: Activate SMS and configure your setup.

Activate SMS, create a new setup, and configure your messaging type and sender details.

Step 3: Generate your API key.

Create an SMS API integration and generate your API key for authentication.

Step 4: Test your integration (Sandbox).

Add test numbers, send test messages, and validate responses before going live.

Step 5: Send and manage SMS messages.

Send SMS messages via API or your workspace and choose between priority or standard delivery.

Message length depends on encoding (160 characters standard, ~70 for Unicode).

Ensure compliance with the regulations of the country that you are sending SMS messages to.

If you plan on using a US Long Number, please refer to the 10DLC section of this guide.

Helpful Resources: SMS API Explained

SMS FAQs

Developer Documentation

SMS Pricing

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