Google stops supporting Google+ Hangouts API; no new apps can be built as of today, and existing apps will stop working after April 25
Context & Ripple Effects
This API cutoff is the second step in Google's unwind of the Hangouts ecosystem: months earlier it had announced it was discontinuing Hangouts On Air and pushing broadcasters to YouTube Live, and now the developer-facing surface of Google+ Hangouts closes entirely — no new apps immediately, existing ones dead after April 25.
What makes the move notable in hindsight is how completely the corpus confirms the trajectory: Google went on to retire Google+ APIs altogether after a bug exposed roughly 52 million users' data, split Hangouts into Chat and Meet before retiring classic Hangouts for G Suite customers, and finally shut Hangouts down entirely in November 2022. The 2017 API kill was the earliest visible signal of that consolidation.
First-order effects
- Developers who built on the Google+ Hangouts API lose their distribution channel: new app submissions are blocked today, and every existing third-party Hangouts app stops functioning after April 25.
Second-order effects
- Users and partners who relied on those apps are pushed onto Google's own surfaces — YouTube Live for broadcasting, following the On Air migration — while G Suite customers get early warning that Hangouts itself, not just its API, is on borrowed time.
Third-order effects
- The pattern that followed — API retirement, brand split into Meet and Chat, then full consumer shutdown — shows Google consolidating a fragmented messaging-and-video portfolio into two enterprise-grade brands, and it deepened the well-known reluctance of developers to build on Google's social and communication platforms.
The trend: Google has been dismantling the Hangouts brand piece by piece — On Air, then the API, then classic Hangouts — to consolidate its communication tools around Chat and Meet.