> ## 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.

# Get the effective template for a type (default or override) + variables manifest



## OpenAPI

````yaml /api-reference/openapi.json get /v1/notifications/types/{event_type}/template
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/notifications/types/{event_type}/template:
    get:
      tags:
        - notifications
      summary: >-
        Get the effective template for a type (default or override) + variables
        manifest
      operationId: getNotificationTemplate
      parameters:
        - name: event_type
          in: path
          required: true
          schema:
            type: string
            title: Event Type
        - name: channel_kind
          in: query
          required: false
          schema:
            $ref: '#/components/schemas/ChannelKind'
            default: slack
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EffectiveTemplateResponse'
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: Authentication required
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      security:
        - APIKeyHeader: []
components:
  schemas:
    ChannelKind:
      type: string
      enum:
        - slack
      title: ChannelKind
      description: |-
        The messaging channel a destination delivers through.

        ``slack`` is the only kind in v1. New kinds are additive — add a member
        here, a provider class, and a ``PROVIDER_REGISTRY`` entry.
    EffectiveTemplateResponse:
      properties:
        event_type:
          type: string
          title: Event Type
        channel_kind:
          type: string
          title: Channel Kind
        source:
          type: string
          title: Source
        slots:
          $ref: '#/components/schemas/TemplateSlots'
        version:
          anyOf:
            - type: integer
            - type: 'null'
          title: Version
        default_slots:
          $ref: '#/components/schemas/TemplateSlots'
        variables:
          additionalProperties: true
          type: object
          title: Variables
      type: object
      required:
        - event_type
        - channel_kind
        - source
        - slots
        - version
        - default_slots
        - variables
      title: EffectiveTemplateResponse
      description: >-
        The effective template for an (org, type, channel): the slots that
        render,

        where they came from, the platform default, and the variables manifest.
    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.
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    TemplateSlots:
      properties:
        title:
          type: string
          maxLength: 4000
          minLength: 1
          title: Title
        body:
          type: string
          maxLength: 4000
          title: Body
          default: ''
        fields:
          items:
            $ref: '#/components/schemas/TemplateField'
          type: array
          maxItems: 10
          title: Fields
        link_text:
          anyOf:
            - type: string
              maxLength: 4000
            - type: 'null'
          title: Link Text
        link_url:
          anyOf:
            - type: string
              maxLength: 4000
            - type: 'null'
          title: Link Url
      additionalProperties: false
      type: object
      required:
        - title
      title: TemplateSlots
      description: >-
        The four authorable slots. ``extra="forbid"`` so an operator can't
        smuggle

        unknown keys past validation (mirrors the catalog's threshold configs).
    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
    TemplateField:
      properties:
        label:
          type: string
          maxLength: 4000
          minLength: 1
          title: Label
        value:
          type: string
          maxLength: 4000
          title: Value
      additionalProperties: false
      type: object
      required:
        - label
        - value
      title: TemplateField
      description: One label/value fact line. Both sides are mrkdwn Jinja strings.
  securitySchemes:
    APIKeyHeader:
      type: apiKey
      in: header
      name: x-api-key

````