ISV Sole Proprietor Registration via API

Publisher

Twilio

URL

https://www.twilio.com/docs/messaging/compliance/a2p-10dlc/onboarding-isv-api-sole-prop-new

Published

2026-07-21

Updated

unknown

Accessed

2026-10-14

HTTP status

200

License

Twilio website terms of use; copyright Twilio Inc.; no-redistribution; short excerpts and locators only

Source notes citing this source

• Sole Proprietor Brand registration on Twilio is only for US and Canadian customers without a tax ID; customers outside the US and Canada must use a Standard or Low-Volume Standard Brand. in context
• The Sole Proprietor OTP mobile number must be a US or Canadian mobile not acquired from a CPaaS provider and can be used at most three times across A2P Brand registrations, a limit enforced by TCR. in context
• For a Sole Proprietor Brand an OTP is sent to the customer's mobile number on Brand submission and the customer must respond within 24 hours, after which the OTP can be retriggered. in context
• Sole Proprietor OTP verification must be completed within 30 days of Brand registration. in context

Cite this source record

APA

WarmTransfer. (2026, July 21). ISV Sole Proprietor Registration via API. WarmTransfer. https://warmtransfer.net/knowledge/sources/twilio-docs-a2p-10dlc-isv-api-sole-prop-new

BibTeX

@misc{warmtransfer-twilio-docs-a2p-10dlc-isv-api-sole-prop-new,
  title  = {ISV Sole Proprietor Registration via API},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/twilio-docs-a2p-10dlc-isv-api-sole-prop-new},
  note   = {Twilio, accessed 2026-10-14}
}