> ## Documentation Index
> Fetch the complete documentation index at: https://docs.dalus.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Get a specific requirement

> Retrieves a specific requirement by ID



## OpenAPI

````yaml get /api/models/{modelId}/requirements/{requirementId}
openapi: 3.0.0
info:
  title: Dalus Public API Documentation
  version: 1.0.0
  description: Public API documentation for Dalus application
servers:
  - url: http://localhost:3000
    description: Dalus API Server
security:
  - bearerAuth: []
tags:
  - name: models
    description: AI model management endpoints
  - name: models/requirements
    description: Requirements management for models
  - name: models/actions
    description: Action management for models
  - name: models/parts
    description: Part management for models
  - name: models/states
    description: State management for models
  - name: models/transitions
    description: Transition relationship management for models
  - name: models/signals
    description: Signal relationship management for models
  - name: models/interfaces
    description: Interface relationship management for models
  - name: models/ports
    description: Port management for models
paths:
  /api/models/{modelId}/requirements/{requirementId}:
    get:
      tags:
        - models/requirements
      summary: Get a specific requirement
      description: Retrieves a specific requirement by ID
      parameters:
        - name: modelId
          in: path
          required: true
          description: ID of the model
          schema:
            type: string
            format: uuid
        - name: requirementId
          in: path
          required: true
          description: ID of the requirement
          schema:
            type: string
            format: uuid
      responses:
        '200':
          description: Requirement details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Requirement'
        '401':
          description: Not authenticated
        '403':
          description: Forbidden - insufficient permissions
        '404':
          description: Requirement or model not found
        '500':
          description: Server error
components:
  schemas:
    Requirement:
      type: object
      properties:
        id:
          type: string
        level:
          type: string
        name:
          type: string
        statement:
          type: string
          minLength: 1
        systems:
          type: array
          items:
            type: string
        functions:
          type: array
          items:
            type: string
        status:
          anyOf:
            - type: string
              enum:
                - In Progress
            - type: string
              enum:
                - Incomplete
            - type: string
              enum:
                - Complete
            - type: string
              enum:
                - Failed
        constraints:
          type: array
          items:
            type: object
            properties:
              limit:
                anyOf:
                  - type: number
                  - type: string
                  - type: boolean
              operator:
                type: string
                enum:
                  - '>'
                  - <
                  - '>='
                  - <=
                  - '='
              variableId:
                type: string
              id:
                type: string
              type:
                type: string
                enum:
                  - attribute
                  - connection
            required:
              - limit
              - operator
              - variableId
              - id
              - type
        parentId:
          type: string
        pendingState:
          type: string
          nullable: true
          enum:
            - add
            - update
            - delete
            - null
        type:
          anyOf:
            - type: string
              enum:
                - none
                - customer
                - safety
                - environmental
                - performance
                - reliability
                - maintainability
                - security
                - interface
                - design
                - business
            - type: string
        autoUpdate:
          type: boolean
        customFields:
          type: object
          additionalProperties:
            anyOf:
              - type: string
              - type: number
              - type: boolean
        updatedAt:
          type: string
        info:
          type: object
          properties:
            comment:
              type: string
            reference:
              type: object
              properties:
                file:
                  type: string
                pageNumber:
                  type: number
                text:
                  type: string
        schemaVersion:
          type: number
          default: 1
      required:
        - id
        - level
        - name
        - statement
        - systems
        - status
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT

````