Source note · Registering A2P 10DLC in Twilio
A FAILED Standard or LVS Brand can be resubmitted free up to three times; a further API update returns HTTP 400 with error 21724.
Checked 2026-10-14
- Vendor
- Twilio
- Product
- Trust Hub
- Subsystem
- A2P 10DLC brand troubleshooting
- Deployment
- multi-tenant
- Region
- us
- Release range
- current as of 2026-10-14
- Checked
- 2026-10-14
Sources
- Troubleshooting A2P 10DLC Standard/LVS Brands — Twilio · tier 2 current vendor documentation · 'Resubmitting Standard/LVS Brands', Updating an A2P Brand Using the API
Cite this note
APA
WarmTransfer. (2026, October 14). Registering A2P 10DLC in Twilio: source note twilio-a2p-10dlc-registration-failed-brand-three-resubmits. WarmTransfer. https://warmtransfer.net/knowledge/claims/twilio-a2p-10dlc-registration-failed-brand-three-resubmits
BibTeX
@misc{warmtransfer-claim-twilio-a2p-10dlc-registration-failed-brand-three-resubmits,
title = {Registering A2P 10DLC in Twilio: source note twilio-a2p-10dlc-registration-failed-brand-three-resubmits},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/twilio-a2p-10dlc-registration-failed-brand-three-resubmits},
note = {Source note twilio-a2p-10dlc-registration-failed-brand-three-resubmits, checked 2026-10-14}
}