General SMS

Can I hide the SMS message content from a Platform user?

How do I send concatenated messages as one SMS?

What does "delivered to gateway" mean?

What is the difference between Short Codes, Free-to-End-User Codes, Long Numbers, and Toll-Free Numbers?

What is the difference between standard and priority delivery?

What is the maximum length of an SMS?

Where do I find the correct Clickatell credentials for my third-party application?

Which mobile network carriers do you support?

Why am I not receiving my test SMS messages?

Why are my SMS messages not delivered?

Why do I need a positive prepaid balance to send test messages?

Other resources

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Developer docs

Developer docs

Access the latest technical information regarding Clickatell’s channels, products and APIs.

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