Troubleshooting
Use the articles here to understand how to test your flows and troubleshoot errors.
Tracking and Managing Opt-Outs
You may want to tell your contacts that they can opt out at any time. Here's how to track and manage the ones who do: Using an SMS gateway Twilio automatically…
Twilio Trial Numbers
Twilio lets users try out its platform with a trial number. A Twilio trial number, however, is not sufficient for testing. A number must be purchased from…
Conducting a Pilot Test
After testing your flows in the simulator, you’re ready for the second step in our recommended testing protocol: the pilot test. A pilot test, or "pilot," is…
Why conduct a usability test?
Why conduct a usability test? Now that you've chosen your flow, you can conduct a usability test to make sure it provides a good experience for your contacts.…
Troubleshooting Delivery Errors
This guide is intended to help you troubleshoot delivery errors on SMS channels. There are a few possible causes, depending on the channel you're using. Twilio…
Why Didn't My Message Send?
Occasionally, a message won't send properly or won't reach a contact. When this happens, you can track down the exact error by checking the channel log. To…
Best Practices: Testing your Flows before Launching
Using the simulator is an excellent way to test a flow while building, but nothing beats a real-world test before you launch. Test runs with real phone numbers…
A/B Testing your Flows
Within the platform, you can use the Split Randomly action to create equally distributed paths that your contacts will randomly pass through, so you can test…
Searching Within Flows and Messages
You can search for content within your flows, messages and contact chat history. In a Flow To search a flow, click the search icon on the toolbar or press…