Sutro’s APIs
Sutro is made up of three powerful APIs. Each can be used independently or combined to power your entire app builder workflow:Planning
Translate prompts, Figma designs, and other inputs into structured specifications.
Frontend
Generate and edit complete, multi-page frontends with built-in navigation, structure, and reliability.
Backend
Generate and edit production-ready backends with built-in security, compliance, and hosting.
Examples
Turn Figma designs into HTML and CSS
Input: Figma
The original Figma design with all visual elements, typography, and layout.

Output: Generated bundle
The static web page bundle generated by Sutro, matching the design specifications.

Turn a range of inputs into product specifications
Create fully-fledged frontends from a single prompt
CRM prompt
Build me a CRM app to help me track my customers and the activities I have with each of them.
Build production-ready backends with OpenAPI specs
To-do prompt
Build me an API server that helps users track To Dos. It should include the ability to set deadlines on To Do items, as well as mark them completed.