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

# Create evaluations variants

> Requires scopes: eval:write



## OpenAPI

````yaml /api-reference/openapi.json post /api/evaluations/{id}/playground/variants
openapi: 3.1.0
info:
  title: EvalGate API
  version: 3.7.6
  description: EvalGate API. See docs/api-contract.md for stability commitments.
servers:
  - url: https://evalgate.com
    description: Production
  - url: http://localhost:3000
    description: Local
security: []
paths:
  /api/evaluations/{id}/playground/variants:
    post:
      tags:
        - evaluations
      summary: Create evaluations variants
      description: 'Requires scopes: eval:write'
      operationId: post_evaluations_id_playground_variants
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: integer
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: >-
                #/components/schemas/PostApiEvaluationsIdPlaygroundVariantsRequest
      responses:
        '201':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: >-
                  #/components/schemas/PostApiEvaluationsIdPlaygroundVariantsResponse201ApplicationJson
        '400':
          $ref: '#/components/responses/ValidationError'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
        '409':
          $ref: '#/components/responses/Conflict'
        '429':
          $ref: '#/components/responses/RateLimited'
        '500':
          $ref: '#/components/responses/InternalError'
      security:
        - bearerAuth:
            - eval:write
components:
  schemas:
    PostApiEvaluationsIdPlaygroundVariantsRequest:
      type: object
      properties:
        name:
          type: string
        config:
          type: object
          properties:
            name:
              type: string
            contentHash:
              type: string
            provider:
              oneOf:
                - type: 'null'
                - type: string
            promptVersionId:
              oneOf:
                - type: 'null'
                - type: string
            baselineVariantId:
              oneOf:
                - type: 'null'
                - type: number
            routingProfileId:
              oneOf:
                - type: 'null'
                - type: string
            model:
              oneOf:
                - type: 'null'
                - type: string
            messages:
              type: array
              items:
                type: object
                properties:
                  id:
                    type: string
                  role:
                    oneOf:
                      - type: string
                        enum:
                          - user
                      - type: string
                        enum:
                          - system
                      - type: string
                        enum:
                          - tool
                      - type: string
                        enum:
                          - assistant
                  content:
                    type: string
                  name:
                    type: string
                additionalProperties: false
                required:
                  - id
                  - role
                  - content
            parameters:
              type: object
              additionalProperties:
                $ref: '#/components/schemas/JsonValue'
            systemPrompt:
              oneOf:
                - type: 'null'
                - type: string
            scorerConfigIds:
              type: array
              items:
                type: number
            toolConfiguration:
              oneOf:
                - type: 'null'
                - type: object
                  properties:
                    enabled:
                      oneOf:
                        - type: boolean
                          enum:
                            - false
                        - type: boolean
                          enum:
                            - true
                    tools:
                      type: array
                      items:
                        type: object
                        properties:
                          type:
                            oneOf:
                              - type: string
                                enum:
                                  - function
                              - type: string
                                enum:
                                  - mcp
                          id:
                            type: string
                          name:
                            type: string
                          inputSchema:
                            type: object
                            additionalProperties:
                              $ref: '#/components/schemas/JsonValue'
                          endpoint:
                            type: string
                          secretRef:
                            type: string
                        additionalProperties: false
                        required:
                          - type
                          - id
                          - name
                  additionalProperties: false
            variables:
              type: object
              additionalProperties:
                type: object
                properties:
                  defaultValue:
                    type: string
                  description:
                    type: string
                  required:
                    oneOf:
                      - type: boolean
                        enum:
                          - false
                      - type: boolean
                        enum:
                          - true
                additionalProperties: false
            authoringVersion:
              type: number
            versionHistory:
              type: array
              items:
                type: object
                properties:
                  version:
                    type: number
                  snapshot:
                    type: object
                    properties:
                      messages:
                        type: array
                        items:
                          type: object
                          properties:
                            id:
                              type: string
                            role:
                              oneOf:
                                - type: string
                                  enum:
                                    - user
                                - type: string
                                  enum:
                                    - system
                                - type: string
                                  enum:
                                    - tool
                                - type: string
                                  enum:
                                    - assistant
                            content:
                              type: string
                            name:
                              type: string
                          additionalProperties: false
                          required:
                            - id
                            - role
                            - content
                      systemPrompt:
                        oneOf:
                          - type: 'null'
                          - type: string
                      toolConfiguration:
                        oneOf:
                          - type: 'null'
                          - type: object
                            properties:
                              enabled:
                                oneOf:
                                  - type: boolean
                                    enum:
                                      - false
                                  - type: boolean
                                    enum:
                                      - true
                              tools:
                                type: array
                                items:
                                  type: object
                                  properties:
                                    type:
                                      oneOf:
                                        - type: string
                                          enum:
                                            - function
                                        - type: string
                                          enum:
                                            - mcp
                                    id:
                                      type: string
                                    name:
                                      type: string
                                    inputSchema:
                                      type: object
                                      additionalProperties:
                                        $ref: '#/components/schemas/JsonValue'
                                    endpoint:
                                      type: string
                                    secretRef:
                                      type: string
                                  additionalProperties: false
                                  required:
                                    - type
                                    - id
                                    - name
                            additionalProperties: false
                      variables:
                        type: object
                        additionalProperties:
                          type: object
                          properties:
                            defaultValue:
                              type: string
                            description:
                              type: string
                            required:
                              oneOf:
                                - type: boolean
                                  enum:
                                    - false
                                - type: boolean
                                  enum:
                                    - true
                          additionalProperties: false
                    additionalProperties: false
                  contentHash:
                    type: string
                  savedAt:
                    type: string
                additionalProperties: false
                required:
                  - version
                  - snapshot
                  - contentHash
                  - savedAt
          additionalProperties: false
        isBaseline:
          oneOf:
            - type: boolean
              enum:
                - false
            - type: boolean
              enum:
                - true
      additionalProperties: false
      required:
        - name
    PostApiEvaluationsIdPlaygroundVariantsResponse201ApplicationJson:
      type: object
      properties:
        id:
          type: number
        name:
          type: string
        config:
          type: object
          properties:
            name:
              type: string
            promptVersionId:
              oneOf:
                - type: 'null'
                - type: string
            systemPrompt:
              oneOf:
                - type: 'null'
                - type: string
            routingProfileId:
              oneOf:
                - type: 'null'
                - type: string
            provider:
              oneOf:
                - type: 'null'
                - type: string
            model:
              oneOf:
                - type: 'null'
                - type: string
            parameters:
              type: object
              additionalProperties:
                $ref: '#/components/schemas/JsonValue'
            toolConfiguration:
              oneOf:
                - type: 'null'
                - type: object
                  additionalProperties:
                    $ref: '#/components/schemas/JsonValue'
            scorerConfigIds:
              type: array
              items:
                type: number
            baselineVariantId:
              oneOf:
                - type: 'null'
                - type: number
            messages:
              type: array
              items:
                type: object
                properties:
                  id:
                    type: string
                  role:
                    oneOf:
                      - type: string
                        enum:
                          - user
                      - type: string
                        enum:
                          - system
                      - type: string
                        enum:
                          - tool
                      - type: string
                        enum:
                          - assistant
                  content:
                    type: string
                  name:
                    type: string
                additionalProperties: false
                required:
                  - id
                  - role
                  - content
            variables:
              type: object
              additionalProperties:
                type: object
                properties:
                  defaultValue:
                    type: string
                  description:
                    type: string
                  required:
                    oneOf:
                      - type: boolean
                        enum:
                          - false
                      - type: boolean
                        enum:
                          - true
                additionalProperties: false
          additionalProperties: false
          required:
            - name
        isBaseline:
          type: boolean
        createdAt:
          type: string
        updatedAt:
          type: string
      additionalProperties: false
      required:
        - id
        - name
        - config
        - isBaseline
        - createdAt
        - updatedAt
    JsonValue:
      oneOf:
        - type: 'null'
        - type: boolean
        - type: number
        - type: string
        - type: array
          items:
            $ref: '#/components/schemas/JsonValue'
        - type: object
          additionalProperties:
            $ref: '#/components/schemas/JsonValue'
    ApiError:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
              enum:
                - UNAUTHORIZED
                - FORBIDDEN
                - NOT_FOUND
                - VALIDATION_ERROR
                - RATE_LIMITED
                - CONFLICT
                - INTERNAL_ERROR
                - SERVICE_UNAVAILABLE
                - QUOTA_EXCEEDED
                - NO_ORG_MEMBERSHIP
                - CROSS_ORG_REFERENCE
                - INCOMPLETE
                - MALFORMED
            message:
              type: string
            details: {}
            requestId:
              type: string
              format: uuid
          required:
            - code
            - message
      required:
        - error
  responses:
    ValidationError:
      description: Validation error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    Unauthorized:
      description: Unauthorized
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    Forbidden:
      description: Forbidden
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    Conflict:
      description: Conflict
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    RateLimited:
      description: Rate limit exceeded
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    InternalError:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: API Key or Session Token

````