Help Center/ Message & SMS/ FAQs/ Others/ Are There Any Requirements on the Format of the Mobile Numbers Entered When Calling APIs to Send SMSs?

Updated on 2023-08-29 GMT+08:00

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Are There Any Requirements on the Format of the Mobile Numbers Entered When Calling APIs to Send SMSs?

When SMS sending API and batch SMS sending API are called, the to parameter specifies recipient numbers. The standard number format is +{Country code}{Region code}{Mobile number}.

If an SMS is sent to European countries or regions, all recipient numbers must be in the standard format, for example, +2412000000 (a Gabon number).

Separate multiple recipient numbers with commas (,). Each number contains a maximum of 21 characters, and a maximum of 500 numbers are supported.

Parent topic: Others

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