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

# List run tag values

> Distinct, active tag values used on this organization's runs, so callers can discover
the valid values for the `tag=` filter on `GET /v1/runs`. `color` is not exposed via the
public API (always null).




## OpenAPI

````yaml /api-reference/v1/runs-v1.yaml get /runs/tags
openapi: 3.0.3
info:
  title: Coval Runs API
  version: 1.0.0
  description: |

    Launch and manage simulation runs for AI agent testing.
  contact:
    name: Coval API Support
    email: support@coval.dev
    url: https://docs.coval.ai
  license:
    name: Proprietary
    url: https://coval.dev/terms
servers:
  - url: https://api.coval.dev/v1
    description: Production API
security:
  - ApiKeyAuth: []
tags:
  - name: Runs
    description: Launch and manage simulation runs
paths:
  /runs/tags:
    get:
      tags:
        - Runs
      summary: List run tag values
      description: >
        Distinct, active tag values used on this organization's runs, so callers
        can discover

        the valid values for the `tag=` filter on `GET /v1/runs`. `color` is not
        exposed via the

        public API (always null).
      operationId: listRunTags
      responses:
        '200':
          description: The distinct tag values
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListRunTagsResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '500':
          $ref: '#/components/responses/InternalError'
        '503':
          $ref: '#/components/responses/ServiceUnavailable'
components:
  schemas:
    ListRunTagsResponse:
      type: object
      required:
        - tags
      properties:
        tags:
          type: array
          items:
            $ref: '#/components/schemas/RunTagResource'
    RunTagResource:
      type: object
      required:
        - tag
      properties:
        tag:
          type: string
          description: The tag value.
        color:
          type: string
          nullable: true
          description: Always null on the public API (tag colors are UI-only).
    Error:
      type: object
      required:
        - code
        - message
      properties:
        code:
          type: string
          enum:
            - INVALID_ARGUMENT
            - UNAUTHENTICATED
            - PERMISSION_DENIED
            - NOT_FOUND
            - INTERNAL
          description: Machine-readable error code
          example: INVALID_ARGUMENT
        message:
          type: string
          description: Human-readable error message
          example: 'Invalid agent_id: Agent not found'
        details:
          type: array
          items:
            $ref: '#/components/schemas/ErrorDetail'
    ErrorDetail:
      type: object
      properties:
        field:
          type: string
          description: The field that caused the error (if applicable)
          example: agent_id
        description:
          type: string
          description: Human-readable description of the error
          example: >-
            Agent 'gk3jK9mPq2xRt5vW8yZaBc' does not exist or is not accessible
            by your organization
  responses:
    Unauthorized:
      description: Unauthorized
      content:
        application/json:
          schema:
            type: object
            required:
              - error
            properties:
              error:
                $ref: '#/components/schemas/Error'
          example:
            error:
              code: UNAUTHENTICATED
              message: Invalid or missing API key
              details:
                - field: X-API-Key
                  description: API key is required in the X-API-Key header
    Forbidden:
      description: Forbidden
      content:
        application/json:
          schema:
            type: object
            required:
              - error
            properties:
              error:
                $ref: '#/components/schemas/Error'
          example:
            error:
              code: PERMISSION_DENIED
              message: Access denied
              details:
                - description: Your organization does not have access to this resource
    InternalError:
      description: Internal Server Error
      content:
        application/json:
          schema:
            type: object
            required:
              - error
            properties:
              error:
                $ref: '#/components/schemas/Error'
          example:
            error:
              code: INTERNAL
              message: Internal server error
              details:
                - description: An unexpected error occurred. Please contact support.
    ServiceUnavailable:
      description: Service temporarily unavailable
      content:
        application/json:
          schema:
            type: object
            required:
              - error
            properties:
              error:
                $ref: '#/components/schemas/Error'
          example:
            error:
              code: INTERNAL
              message: Service temporarily unavailable
              details:
                - description: Database routing is temporarily unavailable. Please retry.
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key
      description: API key for authentication

````