| What it does | An API that turns chat questions into sourced, typed UI cards
| Decision API for typed questions with probabilities
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| Stage | Established
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| Founded | 2011
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| Based in | DE
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| Pricing model | Freemium
| Freemium
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| Pricing | Free: $0/month, 50 tokens a day. Starter: $9/month, 1,000 tokens a day. Pro: $49/month, 10,000 tokens a day. Scale: $199/month, 50,000 tokens a day. Token packs: 5,000 tokens for $10, 25,000 tokens for $40, 100,000 tokens for $120.
| Free plan available. Paid plans: Basic $10/month (1,000 credits), Pro $20/month (2,000 credits), Max $50/month (5,000 credits). Yearly plans save 20%. About 100 credits cost 1 USD before tax. One-time credit packs available; credits never expire.
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| Key features | - Card types for weather, nutrition, recipes, and comparisons
- Integration with Vercel AI SDK
- Web component for rendering answer cards
- Source attribution for all answers
- Pay only for matched answers, questions are free
- No user conversation storage or message text logging
- Versioned card schemas that never break existing code
- Infrastructure running in Germany
| - Three answer types: Noul (yes/no probability), Choice (select one of named options), Score (place on ordered scale)
- Up to 6 questions per request in one round trip
- Returns probability for every option, not just the selected one
- Support for TypeSafe SDKs by changing base URL
- State up to 60,000 characters (string, JSON object, or array)
- 2 to 8 options per Choice question
- 2 to 10 levels per Score question
- Accessible API playground for testing
- Failed calls and validation errors do not consume credits
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| What makes it different | - Rich, sourced answer cards instead of text
- Model sees only text and sources, not the full card
- User privacy by design with no message storage
- Works with any AI SDK model that supports tool calling
| - Independent service from TypeSafe with separate API keys and dashboard
- Simple structured API returning only the decision type you ask for, not text generation
- Transparent billing: 1 credit per decision call with no per-token charges
- All questions share one state in a single request for code simplicity
- TypeSafe's System One model available without TypeSafe account
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 9 ▲ +2 (up) since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 2 | 1 |
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| Citation Flow (Majestic) | 23 | 18 |
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| Referring domains (Majestic) | 34 | 2 |
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WebKnox
Jev API