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

# List Tool Registries

List all tools in the Tool Registry for the workspace. Returns tool names, IDs, and metadata ordered by most recently updated.


## OpenAPI

````yaml GET /api/public/v2/tool-registry
openapi: 3.1.0
info:
  title: FastAPI
  version: 0.1.0
servers: []
security:
  - ApiKeyAuth: []
paths:
  /api/public/v2/tool-registry:
    get:
      tags:
        - tool-registry
      summary: List Tool Registries
      operationId: list_tool_registries
      parameters:
        - name: created_by_email
          in: query
          required: false
          schema:
            type: string
          description: Filter by the creator's email address.
        - name: created_after
          in: query
          required: false
          schema:
            type: string
            format: date-time
          description: Filter resources created at or after this timestamp.
        - name: created_before
          in: query
          required: false
          schema:
            type: string
            format: date-time
          description: Filter resources created at or before this timestamp.
        - name: updated_after
          in: query
          required: false
          schema:
            type: string
            format: date-time
          description: Filter resources updated at or after this timestamp.
        - name: updated_before
          in: query
          required: false
          schema:
            type: string
            format: date-time
          description: Filter resources updated at or before this timestamp.
        - name: external_source
          in: query
          required: false
          schema:
            type: string
          description: External ID source to filter by. Must be provided with external_id.
        - name: external_id
          in: query
          required: false
          schema:
            type: string
          description: >-
            External ID value to filter by. Must be provided with
            external_source.
        - name: sort_by
          in: query
          required: false
          schema:
            type: string
            enum:
              - created_at
              - updated_at
              - name
              - id
          description: Sort field.
        - name: sort_order
          in: query
          required: false
          schema:
            type: string
            enum:
              - asc
              - desc
            default: desc
          description: Sort direction.
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                  tool_registries:
                    type: array
                    items:
                      type: object
                      properties:
                        id:
                          type: integer
                        name:
                          type: string
                        workspace_id:
                          type: integer
                        folder_id:
                          type: integer
                          nullable: true
                        created_at:
                          type: string
                        updated_at:
                          type: string
                        external_ids:
                          type: array
                          items:
                            $ref: '#/components/schemas/ExternalId'
                          description: External ID mappings attached to this tool.
        '401':
          $ref: '#/components/responses/UnauthorizedError'
        '422':
          $ref: '#/components/responses/ValidationError'
components:
  schemas:
    ExternalId:
      properties:
        source:
          type: string
          maxLength: 128
          minLength: 1
          title: Source
          description: The external system or namespace that owns the ID.
        external_id:
          type: string
          maxLength: 512
          minLength: 1
          title: External Id
          description: The identifier for this entity in the external system.
      type: object
      required:
        - source
        - external_id
      additionalProperties: false
      title: ExternalId
      description: >-
        Customer-defined mapping between a PromptLayer entity and an external
        system identifier.
    ErrorResponse:
      type: object
      properties:
        success:
          type: boolean
          default: false
          description: Indicates that the request failed.
        message:
          type: string
          description: Human-readable error message.
        error:
          type: string
          description: Machine-readable or fallback error message.
      additionalProperties: true
      description: >-
        Standard error response. Some legacy endpoints may return either message
        or error.
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError
  responses:
    UnauthorizedError:
      description: Unauthorized - missing or invalid API key.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    ValidationError:
      description: Validation error - request parameters or body are invalid.
      content:
        application/json:
          schema:
            oneOf:
              - $ref: '#/components/schemas/HTTPValidationError'
              - $ref: '#/components/schemas/ErrorResponse'
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-KEY

````