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Once you create your endpoint and propagation has passed, start sending SMS messages to your DID. You can go back to your webhook endpoint by grabbing the endpoint ID of your URL.
You will need to ensure that you have /bin in your URL to navigate back to your webhookEndpoint. Once you are there you will see your SMS requests via GET or POST. Keep in mind these are public bins so they should only be used for testing.
To have the previously mentioned URLs fields automatically filled, you can set a default SMS URL. To do this you will need to go to Account -> Settings. Here you will see a textbox that is labeled Default SMS URL. After filling this text box in and clicking the Update Settings button, you will now have the API fields filled in by default with the URL entered.
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