How to use the Messaging V2 API

Publisher

GoTo

URL

https://developer.goto.com/guides/GoToConnect/18_HOW_useMessagingV2Api/

Published

unknown

Updated

unknown

Accessed

2026-09-25

HTTP status

200

License

GoTo proprietary; all rights reserved; no-redistribution; short excerpts and locators only

Source notes citing this source

• The GoTo Connect Messaging V2 API, added on 2026-06-16, sends messages over SMS/MMS, WhatsApp, web chat, Facebook Messenger, Instagram and email. in context
• Messaging V2 limits SMS to 10 recipients per message and 2 MB of attachments, and pre-signed attachment URLs expire after 60 seconds. in context
• Messaging V2 cannot start an outbound-first conversation on email, Facebook or Instagram (the contact must already exist or have initiated contact), and WhatsApp messages cannot mix text and attachments. in context

Cite this source record

APA

WarmTransfer. (2026, September 25). How to use the Messaging V2 API. WarmTransfer. https://warmtransfer.net/knowledge/sources/goto-dev-messaging-v2

BibTeX

@misc{warmtransfer-goto-dev-messaging-v2,
  title  = {How to use the Messaging V2 API},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/goto-dev-messaging-v2},
  note   = {GoTo, accessed 2026-09-25}
}