Firefly API and Photoshop API

Hello,

I am looking for the best subscription plan for my company because I need access to both the Photoshop API and Firefly API for a very specific task. I do not need access to the full Creative Cloud suite, so I want to make sure I choose the right plan without paying for unnecessary tools.

What I need to do (workflow):

Use the Photoshop API to detect and isolate the main object in an image (e.g., a sofa) using Select Subject or Remove Background.
Use the Firefly API to generate a new background based on a custom prompt while keeping the main object unchanged.

What I already know:

• Firefly Services is not available as a bundled product including multiple APIs (Firefly, Photoshop, Lightroom, Content Tagging).
• Firefly API must be purchased separately (it became an independent product on February 12, 2025).
• Each tool has its own API, but access is limited.
• I need to confirm which specific plan includes both APIs and any usage restrictions (e.g., credit-based, per-call pricing, or unlimited access).

What I need to clarify now:

• What exact plan should I subscribe to in order to have access to both APIs?
• What are the usage limits for each API (Photoshop and Firefly)?
• Is the API usage credit-based, per request, or is there an unlimited option?
• Is it possible to perform my task only using Photoshop API? I've read that Firefly is supposly integrated into Photoshop, but I am not sure if it provides the same level of generative AI capabilities as the standalone Firefly API.

I would appreciate your comments.

Thank you all of you!