Knock Email layouts API

openapi: 3.2.0
info:
  title: Knock Management API (mAPI) Email layouts API
  version: '1.0'
  description: Knock Management API (mAPI) — the resource-management surface for Knock. Programmatic CRUD over Workflows, Channels, Email Layouts, Partials, Templates, Translations, Audiences, Broadcasts, Guides, Message Types, Variables, Members, Channel Groups, Environments, Branches, Commits, and API Keys. Distinct from the runtime Knock API (api.knock.app) — mAPI lives at control.knock.app and is what powers the Knock CLI and MCP server.
  contact:
    name: Knock
    url: https://knock.app
servers:
- url: https://control.knock.app
  variables: {}
security:
- BearerAuth: []
tags:
- description: Email layouts wrap your email templates and provide a consistent look and feel.
  name: Email layouts
paths:
  /v1/email_layouts:
    get:
      callbacks: {}
      description: Returns a paginated list of email layouts available in a given environment.
      operationId: listEmailLayouts
      parameters:
      - description: The environment slug.
        in: query
        name: environment
        required: true
        schema:
          example: development
          type: string
          x-struct: null
          x-validate: null
      - description: The slug of a branch to use. This option can only be used when `environment` is `"development"`.
        in: query
        name: branch
        required: false
        schema:
          example: feature-branch
          type: string
          x-struct: null
          x-validate: null
      - description: Whether to annotate the resource. Only used in the Knock CLI.
        in: query
        name: annotate
        required: false
        schema:
          type: boolean
          x-struct: null
          x-validate: null
      - description: Whether to hide uncommitted changes. When true, only committed changes will be returned. When false, both committed and uncommitted changes will be returned.
        in: query
        name: hide_uncommitted_changes
        required: false
        schema:
          type: boolean
          x-struct: null
          x-validate: null
      - description: The cursor to fetch entries after.
        in: query
        name: after
        required: false
        schema:
          type: string
          x-struct: null
          x-validate: null
      - description: The cursor to fetch entries before.
        in: query
        name: before
        required: false
        schema:
          type: string
          x-struct: null
          x-validate: null
      - description: The number of entries to fetch per-page.
        in: query
        name: limit
        required: false
        schema:
          type: integer
          x-struct: null
          x-validate: null
      responses:
        '200':
          content:
            application/json:
              schema:
                description: A paginated list of EmailLayout. Contains a list of entries and page information.
                example:
                  entries:
                  - created_at: '2021-01-01T00:00:00Z'
                    environment: development
                    footer_links:
                    - text: Example
                      url: http://example.com
                    html_layout: <html><body>Hello, world!</body></html>
                    key: transactional
                    name: Transactional
                    sha: '1234567890'
                    text_layout: Hello, world!
                    updated_at: '2021-01-01T00:00:00Z'
                  page_info:
                    after: null
                    before: null
                    page_size: 25
                properties:
                  entries:
                    description: A list of entries.
                    items:
                      $ref: '#/components/schemas/EmailLayout'
                    type: array
                    x-struct: null
                    x-validate: null
                  page_info:
                    $ref: '#/components/schemas/PageInfo'
                required:
                - entries
                - page_info
                title: PaginatedEmailLayoutResponse
                type: object
                x-struct: null
                x-validate: null
          description: OK
      summary: List email layouts
      tags:
      - Email layouts
  /v1/email_layouts/{email_layout_key}:
    get:
      callbacks: {}
      description: Retrieve an email layout by its key, in a given environment.
      operationId: getEmailLayout
      parameters:
      - description: The key of the email layout to show.
        in: path
        name: email_layout_key
        required: true
        schema:
          type: string
          x-struct: null
          x-validate: null
      - description: The environment slug.
        in: query
        name: environment
        required: true
        schema:
          example: development
          type: string
          x-struct: null
          x-validate: null
      - description: The slug of a branch to use. This option can only be used when `environment` is `"development"`.
        in: query
        name: branch
        required: false
        schema:
          example: feature-branch
          type: string
          x-struct: null
          x-validate: null
      - description: Whether to annotate the resource. Only used in the Knock CLI.
        in: query
        name: annotate
        required: false
        schema:
          type: boolean
          x-struct: null
          x-validate: null
      - description: Whether to hide uncommitted changes. When true, only committed changes will be returned. When false, both committed and uncommitted changes will be returned.
        in: query
        name: hide_uncommitted_changes
        required: false
        schema:
          type: boolean
          x-struct: null
          x-validate: null
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EmailLayout'
          description: OK
      summary: Get email layout
      tags:
      - Email layouts
    put:
      callbacks: {}
      description: 'Updates an email layout, or creates a new one if it does not yet exist.


        Note: this endpoint only operates in the "development" environment.'
      operationId: upsertEmailLayout
      parameters:
      - description: The key of the email layout to upsert.
        in: path
        name: email_layout_key
        required: true
        schema:
          type: string
          x-struct: null
          x-validate: null
      - description: The environment slug.
        in: query
        name: environment
        required: true
        schema:
          example: development
          type: string
          x-struct: null
          x-validate: null
      - description: The slug of a branch to use. This option can only be used when `environment` is `"development"`.
        in: query
        name: branch
        required: false
        schema:
          example: feature-branch
          type: string
          x-struct: null
          x-validate: null
      - description: Whether to annotate the resource. Only used in the Knock CLI.
        in: query
        name: annotate
        required: false
        schema:
          type: boolean
          x-struct: null
          x-validate: null
      - description: When set to true, forces the upsert to override existing content regardless of environment restrictions. This bypasses the development-only environment check and origin environment checks.
        in: query
        name: force
        required: false
        schema:
          type: boolean
          x-struct: null
          x-validate: null
      - description: Whether to commit the resource at the same time as modifying it.
        in: query
        name: commit
        required: false
        schema:
          type: boolean
          x-struct: null
          x-validate: null
      - description: The message to commit the resource with, only used if `commit` is `true`.
        in: query
        name: commit_message
        required: false
        schema:
          type: string
          x-struct: null
          x-validate: null
      requestBody:
        content:
          application/json:
            schema:
              description: Wraps the EmailLayoutRequest request under the email_layout key.
              example:
                email_layout:
                  footer_links:
                  - text: Example
                    url: http://example.com
                  html_layout: <html><body>Hello, world!</body></html>
                  name: Transactional
                  text_layout: Hello, world!
              properties:
                email_layout:
                  $ref: '#/components/schemas/EmailLayoutRequest'
              required:
              - email_layout
              title: WrappedEmailLayoutRequestRequest
              type: object
              x-struct: null
              x-validate: null
        description: Email layout
        required: false
      responses:
        '200':
          content:
            application/json:
              schema:
                description: Wraps the EmailLayout response under the `email_layout` key.
                example:
                  email_layout:
                    created_at: '2021-01-01T00:00:00Z'
                    environment: development
                    footer_links:
                    - text: Example
                      url: http://example.com
                    html_layout: <html><body>Hello, world!</body></html>
                    key: transactional
                    name: Transactional
                    sha: '1234567890'
                    text_layout: Hello, world!
                    updated_at: '2021-01-01T00:00:00Z'
                properties:
                  email_layout:
                    $ref: '#/components/schemas/EmailLayout'
                required:
                - email_layout
                title: WrappedEmailLayoutResponse
                type: object
                x-struct: null
                x-validate: null
          description: OK
      summary: Upsert email layout
      tags:
      - Email layouts
  /v1/email_layouts/{email_layout_key}/validate:
    put:
      callbacks: {}
      description: 'Validates an email layout payload without persisting it.


        Note: this endpoint only operates in the "development" environment.'
      operationId: validateEmailLayout
      parameters:
      - description: The key of the email layout to validate.
        in: path
        name: email_layout_key
        required: true
        schema:
          type: string
          x-struct: null
          x-validate: null
      - description: The environment slug.
        in: query
        name: environment
        required: true
        schema:
          example: development
          type: string
          x-struct: null
          x-validate: null
      - description: The slug of a branch to use. This option can only be used when `environment` is `"development"`.
        in: query
        name: branch
        required: false
        schema:
          example: feature-branch
          type: string
          x-struct: null
          x-validate: null
      requestBody:
        content:
          application/json:
            schema:
              description: Wraps the EmailLayoutRequest request under the email_layout key.
              example:
                email_layout:
                  footer_links:
                  - text: Example
                    url: http://example.com
                  html_layout: <html><body>Hello, world!</body></html>
                  name: Transactional
                  text_layout: Hello, world!
              properties:
                email_layout:
                  $ref: '#/components/schemas/EmailLayoutRequest'
              required:
              - email_layout
              title: WrappedEmailLayoutRequestRequest
              type: object
              x-struct: null
              x-validate: null
        description: Email layout
        required: false
      responses:
        '200':
          content:
            application/json:
              schema:
                description: Wraps the EmailLayout response under the `email_layout` key.
                example:
                  email_layout:
                    created_at: '2021-01-01T00:00:00Z'
                    environment: development
                    footer_links:
                    - text: Example
                      url: http://example.com
                    html_layout: <html><body>Hello, world!</body></html>
                    key: transactional
                    name: Transactional
                    sha: '1234567890'
                    text_layout: Hello, world!
                    updated_at: '2021-01-01T00:00:00Z'
                properties:
                  email_layout:
                    $ref: '#/components/schemas/EmailLayout'
                required:
                - email_layout
                title: WrappedEmailLayoutResponse
                type: object
                x-struct: null
                x-validate: null
          description: OK
      summary: Validate email layout
      tags:
      - Email layouts
components:
  schemas:
    EmailLayoutRequest:
      description: A request to update or create an email layout.
      example:
        footer_links:
        - text: Example
          url: http://example.com
        html_layout: <html><body>Hello, world!</body></html>
        name: Transactional
        text_layout: Hello, world!
      properties:
        footer_links:
          description: A list of one or more items to show in the footer of the email layout.
          items:
            properties:
              text:
                description: The text to display as the link.
                type: string
                x-struct: null
                x-validate: null
              url:
                description: The URL to link to.
                type: string
                x-struct: null
                x-validate: null
            required:
            - text
            - url
            type: object
            x-struct: null
            x-validate: null
          type: array
          x-struct: null
          x-validate: null
        html_layout:
          description: The complete HTML or MJML content of the email layout.
          type: string
          x-struct: null
          x-validate: null
        is_mjml:
          description: Whether this layout uses MJML format. When true, html_layout must contain <mjml> tags.
          type:
          - boolean
          - 'null'
          x-struct: null
          x-validate: null
        name:
          description: The friendly name of this email layout.
          type: string
          x-struct: null
          x-validate: null
        text_layout:
          description: The complete plain text content of the email layout.
          type: string
          x-struct: null
          x-validate: null
      required:
      - name
      - html_layout
      - text_layout
      title: EmailLayoutRequest
      type: object
      x-struct: Elixir.ControlWeb.V1.Specs.EmailLayoutRequest
      x-validate: null
    PageInfo:
      description: The information about a paginated result.
      example:
        after: null
        before: null
        page_size: 25
      properties:
        after:
          description: The cursor to fetch entries after. Will only be present if there are more entries to fetch.
          type:
          - string
          - 'null'
          x-struct: null
          x-validate: null
        before:
          description: The cursor to fetch entries before. Will only be present if there are more entries to fetch before the current page.
          type:
          - string
          - 'null'
          x-struct: null
          x-validate: null
        page_size:
          description: The number of entries to fetch per-page.
          type: integer
          x-struct: null
          x-validate: null
      required:
      - page_size
      title: PageInfo
      type: object
      x-struct: Elixir.ControlWeb.V1.Specs.PageInfo
      x-validate: null
    EmailLayout:
      description: A versioned email layout used within an environment.
      example:
        created_at: '2021-01-01T00:00:00Z'
        environment: development
        footer_links:
        - text: Example
          url: http://example.com
        html_layout: <html><body>Hello, world!</body></html>
        key: transactional
        name: Transactional
        sha: '1234567890'
        text_layout: Hello, world!
        updated_at: '2021-01-01T00:00:00Z'
      properties:
        created_at:
          description: The timestamp of when the email layout was created.
          format: date-time
          type: string
          x-struct: null
          x-validate: null
        environment:
          description: The environment of the email layout.
          type: string
          x-struct: null
          x-validate: null
        footer_links:
          description: A list of one or more items to show in the footer of the email layout.
          items:
            properties:
              text:
                description: The text to display as the link.
                type: string
                x-struct: null
                x-validate: null
              url:
                description: The URL to link to.
                type: string
                x-struct: null
                x-validate: null
            required:
            - text
            - url
            type: object
            x-struct: null
            x-validate: null
          type: array
          x-struct: null
          x-validate: null
        html_layout:
          description: The complete HTML or MJML content of the email layout.
          type: string
          x-struct: null
          x-validate: null
        is_mjml:
          description: Whether this layout uses MJML format. When true, html_layout must contain <mjml> tags.
          type: boolean
          x-struct: null
          x-validate: null
        key:
          description: The unique key for this email layout.
          type: string
          x-struct: null
          x-validate: null
        name:
          description: The human-readable name of this email layout.
          type: string
          x-struct: null
          x-validate: null
        sha:
          description: The SHA of the email layout.
          type: string
          x-struct: null
          x-validate: null
        text_layout:
          description: The complete plaintext content of the email layout.
          type: string
          x-struct: null
          x-validate: null
        updated_at:
          description: The timestamp of when the email layout was last updated.
          format: date-time
          type: string
          x-struct: null
          x-validate: null
      required:
      - key
      - name
      - html_layout
      - text_layout
      - sha
      - created_at
      title: EmailLayout
      type: object
      x-struct: Elixir.ControlWeb.V1.Specs.EmailLayout
      x-validate: null
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: Knock service token (kst_...) as a Bearer token.