Hi Gamma team,

It would be extremely useful if the Gamma API supported uploading existing presentations (for example PowerPoint .pptx files) and automatically converting them into a company’s custom theme or house style.

This would enable teams to integrate Gamma more deeply into their automated workflows for example, uploading generated or existing decks through the API and instantly reformatting them to match brand guidelines.

It would make the API much more powerful for organizations that want to standardize all their presentations in Gamma without manual rework.

Thanks for considering this feature

kind regards,

Jort

Hi Gamma Team,

I’d like to request a feature that would greatly enhance how we use Gamma for report automation and client delivery.

Use Case:

Value:

Requested Features

This would allow us to integrate Gamma deeply into our workflow as both the generation engine and the collaborative editing tool, all within a single client-facing experience.

Thanks for considering this request!

As a developer trying to work with the beta API, it would be great to get additional credits to help with the set up of the API in an external platform rather than burning through the limited credits trying to get it working and then having to wait almost a month for more credits.

I try with this body input and the image is not visible.

{

"inputText": "# Test Report with Image\n\n## Test Slide\nThis is a test to see if we can include an external image.\n\n### Competitor Promotion Example\nbackcountry.com - Jackets & Vests From $49\nImage URL: \n\n## Data Point\nTesting image integration with Gamma API.\nContext: homepage captured on 8/9/2025",

"textMode": "preserve",

"format": "presentation",

"numCards": 2,

"themeName": "Arcteryx Theme",

"cardSplit": "auto",

"imageOptions": {

"source": "webAllImages"

},

"cardOptions": {

"dimensions": "16x9"

}

}

Hey Gamma team,

Quick question on the Generations API. Is there a way to programmatically attach images and pass them into image fields when creating a generation? I see how to specify text inputs and themes, but I’m looking for the ability to upload or reference image files so they can populate the section of a deck (for example, hero images, background patterns, or section visuals).

If this isn’t supported yet, do you have guidance on whether it’s on the roadmap, or any workarounds (e.g., passing hosted URLs, multipart form data, or base64 encoding)?

Thanks in advance for clarifying.

Possibility to set custom footer and logo by programming. Possibility to upload starting pptx, word, pdf etc.. like web interface. Add more settings (text size etc)

I would also like to add to the delete debate. In order to comply with certain professional obligations in regard to Data Retention it would be great if there was an option in the api endpoints to delete a gamma. This would put the responsibility for this back on the user. Great API luv it!

Hey! Is it possible to use the API within my software to allow my users to generate pitch decks?