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Three subsystems power the API: the Extractor turns a URL into a design system, the Search finds brands in the curated corpus, and the Verifier scores a page against a reference brand. See How the engine works.

What you can do

Extract a design system

Submit a single URL or a whole domain (map mode).

Read structured output

Get colors, typography, components, and a brand profile as structured JSON.

Search brands by aesthetic

Describe a look and find brands that match, or brands similar to one you extracted.

Verify brand adherence

Score how well a page follows a reference brand, with recommendations and fixes.

Ground prompts in a brand

Rewrite a prompt so it reflects a real brand’s look and feel.

Use cases

Check brand adherence

Score a rebuild, a generated page, or a redesign against the brand it should follow.

Find inspiration

Search the corpus for a look, then extract the winner and build from it.

Verification in an agent loop

Feed the verdict back to the agent that built the page and iterate.

Get started

Quickstart

Submit your first URL and read the result in a few minutes.

API reference

Browse every endpoint with an interactive playground.