The Message ID is a unique identification string you receive when you send an SMS to the Sinch platform. The type of Message ID returned differs based on SMS API service you use in the Sinch ecosystem.
Below are the different SMS APIs and an explanation of the Message ID’s generated by them:
Sample of Message ID generated when a SMS is sent to Sinch
Notes
SMPP
195d2b9b17900005edfb3216e339297e
32 characters long and starts with 19. This is also known as the Sinch Message ID and you may find this on the submit_sm_resp PDU sent to you when you send the SMS.
REST API
01JQ9BG6A4ZKTSYY9J9VV1ZEYT
This is known as the Batch ID. You may find this on the response payload returned by the server upon message submission.
MAD API
01JQ9BG6HQ9534A6AR4780NYKD or 6020828154
This is known as the MAD ID. You may find this on the response payload returned by the server upon message submission.
Note: A Message ID will only be generated for a message accepted by our server. If your message submission is getting rejected from our server and not generating a Message ID, we recommend you contact Sinch Support and share a PCAP trace of the rejected message along with the error code encountered so we can investigate further.
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