The Developer Hub

Welcome to the Developer Documentation Hub. You'll find comprehensive guides and documentation to help you start working with SMS,Voice, 2FA, VMN, SMPP and Outbound Dialing Documentation as quickly as possible, as well as support if you get stuck. Let's jump right in!

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SMS Content Types

Kaleyra supports API requests and responses in either application/json or application/xml.

Content Type
Response Type

JSON

application/json

XML

application/xml

PHP

text/html

JSONP

text/javascript

We've built the API in a way that they will match the response with the submitted content by default.