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Follow the instructions below to learn more about the Callback URL for OTP SMS.
If any questions arise while reading, you can contact us under firstname.lastname@example.org.
The mobile inbound SMS service forwards incoming SMS addressed to your numbers via an HTTPS request to your webserver.
For this service you will need to provide tyntec with the URL ($callbackUrl) of your webserver, e.g.,
1 | https://rest.customer.com/inboundmessages/