Campaigns come back with a code or one line of text, and each provider words the same rejection differently. Paste yours from Twilio, Telnyx, HighLevel or another provider: get the cause, the fix, and the parts of your website and sample messages to change before you resubmit.
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Twilio 30xxx codes, Telnyx and HighLevel messages and raw TCR reasons, mapped to one cause.
What to change on your site, opt-in form, description or samples, with wording that passes.
Check the rest of the submission for the next likely rejection before you resubmit.
“we need to go through this process with every provider we integrate. Massive pain, indeed.” (public Hacker News comment, Jun 2026)
“Blocks A2P registration and checkout go-live.” (public GitHub issue, Oct 2026)
Had this happen recently? Tell us what happened (4 questions, about 10 minutes, no sign-up).
A person reviews your full submission before you file it. Agencies and ISVs: $99/month. The decoder stays free.
We'll email you about early access, at most twice. No spam; reply STOP to opt out.