Hey Kalle! 👋
An Edit endpoint is definitely something the team has on their radar. I can't share anything official on timing, but it's a request I've heard from a few folks with similar use cases.
Your best bet is to add this to Canny (our feature request board) so you can vote on it and track progress. There might already be a request for this you can upvote, which helps the team prioritize: https://gamma.canny.io
In the meantime, a couple options:
The /v1.0/generations/from-template endpoint lets you remix an existing single-page Gamma with new instructions. It's still creating a new output rather than editing in place, but might get you partway there.
If your slide generator outputs structured content, you could pass the updated data as inputText with textMode: "preserve" to keep your content intact while regenerating.
💡 Tip: If you drop a feature request on Canny, include your use case about replacing your slide generator. That context is super helpful for the team when prioritizing.
Would love to hear more about your workflow if you want to share!