StackOne

StackOne Unified Messaging API (Legacy)

Legacy (no longer in active development; existing functionality remains supported). StackOne Unified Messaging API standardizes communication workflows across platforms, with consistent data models for conversations, message delivery, and participant management.

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Documentation

📖
Documentation
https://docs.stackone.com/legacy-unified-apis/introduction

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API entry from apis.yml

apis.yml Raw ↑ 
aid: stackone:messaging-api
name: StackOne Unified Messaging API (Legacy)
x-status: legacy
x-status-evidence: The Legacy Unified APIs are no longer in active development. Existing functionality
  remains supported. (https://docs.stackone.com/legacy-unified-apis/introduction, fetched 2026-10-14)
tags:
- Chat
- Communications
- Messaging
- Unified API
- Legacy
tags_raw:
- Chat
- Communication
- Messaging
- Unified API
- Unified-API
- Legacy
humanURL: https://docs.stackone.com/legacy-unified-apis/introduction
properties:
- url: https://docs.stackone.com/legacy-unified-apis/introduction
  type: Documentation
description: Legacy (no longer in active development; existing functionality remains supported). StackOne
  Unified Messaging API standardizes communication workflows across platforms, with consistent data models
  for conversations, message delivery, and participant management.