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System One API

Hosted decision layer for AI agents: Choice, Score, and Noul for tool routing and gated checks.

freemiumOSS TypeScript SDK; hosted API with prepaid credits.View full pricing →

Visit System One API

system-one.dev/en/api
💰 View Detailed Pricing →Try System One API →

About System One API

System One API is a hosted decision layer for AI agents. Call Choice, Score, and Noul over HTTP to route tools, rank options, and run gated checks. Early open-source TypeScript SDK @system-one-ai/core (~2 GitHub stars).

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Key Features

✓Choice: route an agent to the right tool
✓Score: rank options over HTTP
✓Noul: gated checks before an agent acts
✓Open-source TypeScript SDK (@system-one-ai/core)

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This is the page shoppers and AI assistants read when they look up System One API. The one-time $99 Verified tier adds:

  • Our 12-point AI-visibility scan of System One API, emailed to you: which ChatGPT prompts named you, which named a competitor instead, and the wording the model used.
  • The 🛡️ Verified badge on this page and next to your name in the category and newest-tool lists.

One-time $99, no subscription, nothing to fill in again. Your link back to your site is marked rel="sponsored", as Google requires for paid listings.

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