I figured out the issue… maybe this will help others….
I could see the Telnyx API Key was being accessed in the Telnyx website because it shows how long ago it was “used”…. So I could see the “attempts” connecting to the API, but texts weren’t sending. This made me think there was a “username” error since I knew the API key (or password) was correct.
Before I posted I had my “sender ID” (or phone number) in the gateway formatted as 555-555-5555 and 1-555-555-5555 – neither of which worked. It only worked when I used this format +1-555-555-5555?
Not including the + with the country code as a part of my “username” was the issue. After I did this it’s working.
Thank you for getting back to me,
Justin