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

# Trigger a new evaluation run against a suite



## OpenAPI

````yaml /api-reference/openapi.json post /v1/knowledge-base/evals/suites/{suite_id}/runs
openapi: 3.1.0
info:
  title: Feather API
  description: >-
    Unified customer experience platform API. Manages identity, conversations,
    memory, agents, procedures, policies, model routing, knowledge bases,
    integrations, and runtime execution.
  version: 1.21.0
servers:
  - url: https://api-sandbox.featherhq.com
    description: Sandbox
  - url: http://localhost:8000
    description: Local dev
security: []
paths:
  /v1/knowledge-base/evals/suites/{suite_id}/runs:
    post:
      tags:
        - knowledge-base-evals
      summary: Trigger a new evaluation run against a suite
      operationId: createKBEvalRun
      parameters:
        - name: suite_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
            title: Suite Id
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/KBEvalRunCreate'
      responses:
        '201':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/KBEvalRunCreateResponse'
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Authentication required
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '404':
          description: Resource not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '409':
          description: An in-flight run with the same config already exists.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/KBEvalRunConflictResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      security:
        - APIKeyHeader: []
components:
  schemas:
    KBEvalRunCreate:
      properties:
        kb_ids:
          items:
            type: string
            format: uuid
          type: array
          minItems: 1
          title: Kb Ids
        prefer_draft:
          type: boolean
          title: Prefer Draft
          default: false
        version_overrides:
          anyOf:
            - additionalProperties:
                type: string
                format: uuid
              propertyNames:
                format: uuid
              type: object
            - type: 'null'
          title: Version Overrides
        generator_model_override:
          anyOf:
            - type: string
            - type: 'null'
          title: Generator Model Override
        judge_model_override:
          anyOf:
            - type: string
            - type: 'null'
          title: Judge Model Override
      additionalProperties: false
      type: object
      required:
        - kb_ids
      title: KBEvalRunCreate
    KBEvalRunCreateResponse:
      properties:
        run_id:
          type: string
          format: uuid
          title: Run Id
        status:
          type: string
          title: Status
      type: object
      required:
        - run_id
        - status
      title: KBEvalRunCreateResponse
    ErrorResponse:
      properties:
        error:
          type: string
          title: Error
        message:
          type: string
          title: Message
      type: object
      required:
        - error
        - message
      title: ErrorResponse
      description: Standard error response returned by all API error handlers.
    KBEvalRunConflictResponse:
      properties:
        detail:
          $ref: '#/components/schemas/KBEvalRunConflictDetail'
      type: object
      required:
        - detail
      title: KBEvalRunConflictResponse
      description: 'Wire-level shape of the 409 body: FastAPI wraps HTTPException detail.'
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    KBEvalRunConflictDetail:
      properties:
        error:
          type: string
          title: Error
        existing_run_id:
          type: string
          format: uuid
          title: Existing Run Id
        status:
          type: string
          title: Status
      type: object
      required:
        - error
        - existing_run_id
        - status
      title: KBEvalRunConflictDetail
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError
  securitySchemes:
    APIKeyHeader:
      type: apiKey
      in: header
      name: x-api-key

````