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Error 21605

Product: Programmable SMS

ERROR - 21605

Maximum body length is 160 characters (old API endpoint)

You are using the deprecated /SMS/Messages API endpoint, which supports up to 160 characters per message. To send up to 1600 characters per message, switch to our upgraded /Messages endpoint. ## Error - 21605

Maximum body length is 160 characters

This error is specific to the deprecated /SMS/Messages API endpoint. When using this endpoint, your message body must be 160 characters or less.

You can send messages up to 1600 characters long by using the /Messages API endpoint.

For more info, please refer to our FAQ on message size constraints.

Possible Causes

The SMS body contains too many characters.

Possible Solutions

Reduce the number of characters in your message body and review our FAQ on message size constraints.

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