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

# List subscribable event types

> The event catalog: every subscribable type, grouped by family; types marked emitting=false are declared contracts whose producers have not shipped yet



## OpenAPI

````yaml GET /api/webhooks/v1/event-types
openapi: 3.1.0
info:
  title: LangWatch API
  version: 1.0.0
  description: LangWatch openapi spec
servers:
  - url: https://app.langwatch.ai
security:
  - project_api_key: []
paths:
  /api/webhooks/v1/event-types:
    get:
      tags:
        - Webhooks
      summary: List subscribable event types
      description: >-
        The event catalog: every subscribable type, grouped by family; types
        marked emitting=false are declared contracts whose producers have not
        shipped yet
      operationId: getApiWebhooksV1Event-types
      parameters: []
      responses:
        '200':
          description: Every subscribable event type
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      type: object
                      properties:
                        type:
                          type: string
                        family:
                          type: string
                        schema_version:
                          type: string
                        is_emitting:
                          type: boolean
                        description:
                          type: string
                      required:
                        - type
                        - family
                        - schema_version
                        - is_emitting
                        - description
                required:
                  - data
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: object
                    properties:
                      type:
                        type: string
                      code:
                        type: string
                      message:
                        type: string
                      meta:
                        type: object
                        additionalProperties: {}
                      trace_id:
                        type: string
                      span_id:
                        type: string
                    required:
                      - type
                      - code
                      - message
                required:
                  - error
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: object
                    properties:
                      type:
                        type: string
                      code:
                        type: string
                      message:
                        type: string
                      meta:
                        type: object
                        additionalProperties: {}
                      trace_id:
                        type: string
                      span_id:
                        type: string
                    required:
                      - type
                      - code
                      - message
                required:
                  - error
        '403':
          description: Forbidden
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: object
                    properties:
                      type:
                        type: string
                      code:
                        type: string
                      message:
                        type: string
                      meta:
                        type: object
                        additionalProperties: {}
                      trace_id:
                        type: string
                      span_id:
                        type: string
                    required:
                      - type
                      - code
                      - message
                required:
                  - error
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: object
                    properties:
                      type:
                        type: string
                      code:
                        type: string
                      message:
                        type: string
                      meta:
                        type: object
                        additionalProperties: {}
                      trace_id:
                        type: string
                      span_id:
                        type: string
                    required:
                      - type
                      - code
                      - message
                required:
                  - error
components:
  securitySchemes:
    project_api_key:
      type: apiKey
      in: header
      name: X-Auth-Token
      description: >-
        Project API key for sending traces and accessing project-scoped
        resources. Format: sk-lw-... (no underscore). Obtain one by creating a
        project via the Admin API or the LangWatch UI.

````