ServiceNow → Microsoft Teams: Clickable link/button in 1:1 chat without bot or delegated auth

[Madhuri Gurunat]

Hi Community,

I’m working on a ServiceNow Flow Designer automation that sends 1:1 Microsoft Teams chat messages to managers as part of an asset recovery workflow (hardware return reminders).

Current setup

• ServiceNow Microsoft Teams Graph Spoke
• Client credentials (app‑only) authentication
• Messages are sent successfully to a normal 1:1 Teams chat
• We do not want to use:
  • Conversational Integration / Teams bot
  • Delegated OAuth (user context)

Requirement

We want the Teams message to include something clickable (for example, a link or button) that opens a ServiceNow RITM.

What we’ve tried / observed

• Plain text URLs in the Teams chat are not clickable
• HTML links are rendered as text
• Adaptive Cards / Action.OpenUrl are not supported in our current setup
• REST calls to POST /chats/{chat-id}/messages fail with permissions like Teamwork.Migrate.All when attempting richer content
• MSTeamsOutboundMessages() / Conversational Integration APIs are not available in our instance

Question

With Graph Spoke + app‑only authentication and no bot, is there any supported way to send a clickable link in a 1:1 Teams chat message from ServiceNow?

Or is the correct conclusion that:

• Clickable content in 1:1 chat requires either
  • Delegated permissions (ChatMessage.Send), or
  • Conversational Integration / Teams bot,
• And that app‑only Graph is limited to non‑interactive text in chats?

If anyone has implemented a workaround (for example, formatting, alternate endpoints, or officially supported approaches), I’d appreciate the guidance.

Thanks in advance!