# Ollama System One Decision API

**Canonical:** https://apis.io/apis/ollama/ollama-systemone-decision-api/  
**Provider:** Ollama — https://apis.io/providers/ollama/  
**Base URL:** http://localhost:11434  
**Documentation:** https://docs.ollama.com/capabilities/decision

Ollama System One Decision API is one of 14 APIs that [Ollama](https://apis.io/providers/ollama/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Decision Models and LLM. The published artifact set on APIs.io includes API documentation, a changelog, and an OpenAPI specification.

Ollama's /v1/systemone endpoint (v0.35.0+) for decision models such as Nimble, Tev1, Clef and Clef Flash, returning choices, probabilities and scores instead of text.

## Operations (1)

| Method | Path | Summary |
|---|---|---|
| POST | `/v1/systemone` | Evaluate questions with a decision model |

## Machine-readable artifacts (4)

- **Documentation** — https://github.com/ollama/ollama/blob/main/docs/capabilities/decision.mdx
- **ChangeLog** — https://github.com/ollama/ollama/releases/tag/v0.35.0
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/ollama/refs/heads/main/openapi/_ae-authored/ollama-systemone-decision-api-openapi.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/ollama/refs/heads/main/apis.yml

## Other Ollama APIs (12)

- [Ollama OpenAI Compatibility API](https://apis.io/apis/ollama/ollama-openai-compatibility-api/)
- [Ollama Anthropic Compatibility API](https://apis.io/apis/ollama/ollama-anthropic-compatibility-api/)
- [Ollama Cloud API](https://apis.io/apis/ollama/ollama-cloud-api/)
- [Ollama Blobs API](https://apis.io/apis/ollama/ollama-blobs-api/)
- [Ollama Chat Completions API](https://apis.io/apis/ollama/ollama-chat-completions-api/)
- [Ollama Completions API](https://apis.io/apis/ollama/ollama-completions-api/)
- [Ollama Embeddings API](https://apis.io/apis/ollama/ollama-embeddings-api/)
- [Ollama Generate API](https://apis.io/apis/ollama/ollama-generate-api/)
- [Ollama Images API](https://apis.io/apis/ollama/ollama-images-api/)
- [Ollama Models API](https://apis.io/apis/ollama/ollama-models-api/)
- [Ollama Responses API](https://apis.io/apis/ollama/ollama-responses-api/)
- [Ollama Running Models API](https://apis.io/apis/ollama/ollama-running-models-api/)

## Tags

Decision Models, LLM

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/ollama/ollama-systemone-decision-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/ollama/.