---
title: "Get a decider"
method: GET
path: "/v1/projects/{project_id}/deciders/{decider_id}"
tags: ["Deciders"]
---

# Get a decider

`GET /v1/projects/{project_id}/deciders/{decider_id}`

## Request

- Base URL: `https://api.naturali.ai`
- URL: `https://api.naturali.ai/v1/projects/{project_id}/deciders/{decider_id}`
- Auth: one of:
  - HTTP bearer
  - OAuth 2 (authorization code, authorization URL `https://api.naturali.ai/authorize`, token URL `https://api.naturali.ai/token`, scopes: `mcp:access`)

Returns a decider with its current question set and version.

## Path parameters

- `decider_id` string, required

## Response `200`

The decider

- Decider
  - `id` string
  - `project_id` string
  - `name` string
  - `description` string, nullable
  - `agent_id` string, nullable: The tool-less agent that answers; null when a tool does
  - `tool_id` string, nullable: The http or pipeline tool that answers; null when an agent does
  - `version` integer: The question set's version. Bumped only by a write that changes `questions`.
  - `questions` DeciderQuestion[]: The questions, in the order the model is shown them.
    - `type` 'predicate' | 'choice' | 'score', required
    - `name` string, required: Names the question's answer. Unique within the set; starts with a letter or underscore and holds only letters, digits and underscores (at most 64).
    - `instructions` string, required: What to judge
    - `choices` DeciderChoice[]: A `choice` question's options; required for `choice` only
      - `value` string, required: What a `choice` answer carries; unique within the question
      - `description` string, required
    - `levels` DeciderLevel[]: A `score` question's ordered levels; required for `score` only
      - `label` string, required
      - `description` string, required
  - `created_at` string, date-time
  - `updated_at` string, date-time

## Other responses

- `401`: Unauthorized
- `404`: Decider not found

---

[API](https://skmtc.dev/naturali/apis/naturali-ai-api.md) · [All operations](https://skmtc.dev/naturali/apis/naturali-ai-api/llms.txt) · [OpenAPI document](https://skmtc.dev/naturali/apis/naturali-ai-api/revisions/e4905b78f422?raw)