Getting Started with SMS API

Learn about the concepts that our SMS can help you build.

SMS Status Codes
SMS Status Codes (Operator Level) On submission of a message to any operator, we associate one of the following status codes to every SMS to track the statu...
Thu, 8 Apr, 2021 at 11:11 AM
API Error Codes
When certain parameters of the API URL are not entered correctly, you will receive a response from the URL stating the type of error. These error descriptio...
Fri, 2 Aug, 2019 at 3:44 PM
Delivery URL for SMS API
What is Delivery URL? DLRURL is the URL from which you can get the delivery reports if requested through an API. To request such delivery reports, you need...
Fri, 2 Aug, 2019 at 1:09 PM
API Responses
API Response for Successful Submission of SMS For each successful submission of an SMS, the API would return a unique message ID (UUID) for that SMS campai...
Fri, 2 Aug, 2019 at 1:12 PM
Pre-requisites for Integration
The following checklist is mandatory to use Kaleyra SMS API: Mobile Phone Number Format All mobile phone numbers should be valid with the country code fo...
Fri, 2 Aug, 2019 at 12:21 PM
Supported Character Sets
Simplifying the concept of "Character Sets" GSM 03.38 Encoding The standard SMS mobile-phone character set is used universally to send te...
Tue, 23 Feb, 2021 at 11:02 AM
Multi Part Messages & Concatenation
Message Length - Introduction Each SMS has a message length of 160 characters. If the character limit is exceeded then the following limits for messages ar...
Fri, 2 Aug, 2019 at 12:57 PM