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

# Create newsletter

> Create newsletter



## OpenAPI

````yaml /api-reference/openapi/Evolution-Go/newsletter.yaml post /newsletter/create
openapi: 3.0.0
info:
  title: Evolution Foundation - Evolution Go - Newsletter
  description: Go implementation of Evolution
  version: '1.0'
servers:
  - url: http://localhost:8080/
    description: Development server (HTTP)
  - url: https://localhost:8080/
    description: Development server (HTTPS)
  - url: '{customUrl}'
    description: Custom server
    variables:
      customUrl:
        default: https://your-instance.com
        description: Enter your server URL
security: []
paths:
  /newsletter/create:
    post:
      summary: Create newsletter
      description: Create newsletter
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateNewsletter'
        description: Newsletter data
      responses:
        '200':
          description: Newsletter created successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                    example: true
                  message:
                    type: string
                  newsletter:
                    type: object
              example:
                data:
                  id: 120360000000000001@newsletter
                  state:
                    type: active
                  thread_metadata:
                    creation_time: '1700000000'
                    invite: 0029VaAbBbCcDdEeFfGgHh01
                    name:
                      text: Newsletter Name
                      id: '1700000000000008'
                      update_time: '1700000000000008'
                    description:
                      text: Newsletter description
                      id: '1700000000000008'
                      update_time: '1700000000000008'
                    subscribers_count: '0'
                    verification: unverified
                    picture: null
                    preview:
                      url: ''
                      id: '1700000000829122'
                      type: PREVIEW
                      direct_path: ''
                      hash: null
                    settings:
                      reaction_codes:
                        value: ''
                  viewer_metadata:
                    mute: 'on'
                    role: owner
                message: success
        '400':
          description: Bad Request - Invalid input data
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                success: false
                error:
                  code: BAD_REQUEST
                  message: Invalid request data. Newsletter information is required.
                meta:
                  timestamp: '2024-01-15T10:30:00Z'
                  path: /newsletter/create
                  method: POST
        '401':
          description: Unauthorized - Invalid or missing API key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                success: false
                error:
                  code: UNAUTHORIZED
                  message: Invalid or missing API key
                meta:
                  timestamp: '2024-01-15T10:30:00Z'
                  path: /newsletter/create
                  method: POST
        '403':
          description: Forbidden - Insufficient permissions
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                success: false
                error:
                  code: FORBIDDEN
                  message: Insufficient permissions to create newsletter
                meta:
                  timestamp: '2024-01-15T10:30:00Z'
                  path: /newsletter/create
                  method: POST
        '404':
          description: Not Found - Resource not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                success: false
                error:
                  code: NOT_FOUND
                  message: Resource not found
                meta:
                  timestamp: '2024-01-15T10:30:00Z'
                  path: /newsletter/create
                  method: POST
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                success: false
                error:
                  code: INTERNAL_SERVER_ERROR
                  message: An unexpected error occurred
                meta:
                  timestamp: '2024-01-15T10:30:00Z'
                  path: /newsletter/create
                  method: POST
components:
  schemas:
    CreateNewsletter:
      type: object
      properties:
        description:
          type: string
        name:
          type: string
    ErrorResponse:
      type: object
      required:
        - success
        - error
      properties:
        success:
          type: boolean
          example: false
        error:
          type: object
          required:
            - code
            - message
          properties:
            code:
              type: string
            message:
              type: string
        meta:
          type: object
          properties:
            timestamp:
              type: string
              format: date-time
            path:
              type: string
            method:
              type: string

````

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