> ## Documentation Index > Fetch the complete documentation index at: https://docs.wappfy.com.br/llms.txt > Use this file to discover all available pages before exploring further. # Visualizar Mensagens of the Channel > Visualizar prévia das messages of um channel antes of segui-lo ## Description This endpoint allows you to preview messages of um channel without needing to follow it. It is useful to see the content of the channel before deciding whether to follow it. ## URL Parameters WhatsApp unique authenticated session ID ID único of the channel que deis visualizar as messages ## Parâmetros of Query Code of invite of the channel Número maximum of messages a retornar (default: 10) ## Response Array contendo as messages of the channel ID único of the message Content of the message Timestamp of the message ```json Success Response theme={null} { "messages": [ { "id": "msg_123", "content": "Bem-vindo ao nosso channel!", "timestamp": 1672531200 }, { "id": "msg_124", "content": "Confira as novidades desta semana", "timestamp": 1672617600 } ] } ``` ## Status Codes * `200` - Prévia obtained successfully * `400` - Invalid parameters or faltandthe code of invite * `401` - Unauthorized * `404` - Channel not found * `500` - Internal server error ## Usage Example ```bash cURL theme={null} curl -X GET "https://api.wappfy.com.br/api/my-session/channels/123456789@newsletter/messages/preview?invite=ABC123&limit=10" ``` ```javascript JavaScript theme={null} const session = 'my-session'; const channelId = '123456789@newsletter'; const invite = 'ABC123'; const limit = 10; const response = await fetch( `https://api.wappfy.com.br/api/${session}/channels/${channelId}/messages/preview?invite=${invite}&limit=${limit}` ); const data = await response.json(); console.log(data.messages); ``` ```python Python theme={null} import requests session = 'my-session' channel_id = '123456789@newsletter' invite = 'ABC123' limit = 10 response = requests.get( f'https://api.wappfy.com.br/api/{session}/channels/{channel_id}/messages/preview', params={'invite': invite, 'limit': limit} ) data = response.json() print(data['messages']) ``` ## OpenAPI ````yaml viewer-en.json get /api/{session}/channels/{id}/messages/preview openapi: 3.1.0 info: title: Wappfy - WhatsApp HTTP API version: '2.0' contact: {} servers: - url: https://{host} description: Customizable Server variables: host: default: api.wappfy.com.br description: Server URL (e.g., api.wappfy.com.br or your-server.com) security: - api_key: [] tags: - name: 🖥️ Sessions description: Control WhatsApp sessions (accounts) - name: 🔑 Auth description: Authentication - name: 🆔 Profile description: Your profile information - name: 🖼️ Screenshot description: Get WhatsApp screenshot and display QR code - name: 📤 Chatting description: Conversation methods - name: 📢 Channels description: Channels (newsletters) methods - name: 🟢 Status description: Status (aka stories) methods - name: 💬 Chats description: Conversations methods - name: 👤 Contacts description: |- Contacts methods.
Use phone number (without +) or phone number and `@c.us` at the end as `contactId`.
E.g: `12312312310` OR `12312312310@c.us`
- name: 👥 Groups description: Groups methods.
- name: ✅ Presence description: Presence information - name: 📅 Events description: Event Message - name: 🏷️ Labels description: Labels - available only for WhatsApp Business accounts - name: 🔍 Observability description: Other methods - name: 🗄️ Storage description: Storage methods externalDocs: description: Wappfy - WhatsApp API url: https://docs.wappfy.com.br/ paths: /api/{session}/channels/{id}/messages/preview: get: tags: - 📢 Channels summary: Preview channel messages description: >- You can use either invite code (https://www.whatsapp.com/channel/123) or (123) OR Channel ID (123@newsletter). The {session} parameter must be the session. operationId: ChannelsController_previewChannelMessages parameters: - name: session required: true in: path description: Session name (instanceName) example: my-session schema: type: string - name: id required: true in: path description: Channel ID or invite code schema: default: 0029Va4K0PZ5a245NkngBA2M - name: downloadMedia required: true in: query schema: type: boolean default: false - name: limit required: true in: query schema: default: 10 type: number responses: '200': description: '' content: application/json: schema: type: array items: $ref: '#/components/schemas/ChannelMessage' security: - api_key: [] components: schemas: ChannelMessage: type: object properties: reactions: type: object example: 👍: 10 ❤️: 5 additionalProperties: type: number message: $ref: '#/components/schemas/WAMessage' viewCount: type: number required: - reactions - message - viewCount WAMessage: type: object properties: id: type: string description: Message ID example: false_11111111111@c.us_AAAAAAAAAAAAAAAAAAAA timestamp: type: number description: Unix timestamp of when the message was created example: 1666943582 from: type: string description: Chat ID to which this message was sent example: 5511999999999@c.us fromMe: type: boolean description: Indicates if the message was sent by the current user source: enum: - api - app type: string description: >- The device that sent the message - either API or APP. Available in events (webhooks/websockets) only and only "fromMe: true" messages. example: api to: type: string description: >- * ID for who this message is for. * If the message is sent by the current user, it will be the Chat to which the message is being sent. * If the message is sent by another user, it will be the ID for the current user. example: 5511999999999@c.us participant: type: string description: For groups - participant who sent the message body: type: string description: Message content hasMedia: type: boolean description: Indicates if the message has media available for download media: description: Message media object, if any and downloaded allOf: - $ref: '#/components/schemas/WAMedia' ack: enum: - -1 - 0 - 1 - 2 - 3 - 4 type: number description: Message acknowledgement (ACK) status ackName: type: string description: Message acknowledgement status name author: type: string description: >- If the message was sent to a group, this field will contain the user who sent the message location: description: Location information contained in the message allOf: - $ref: '#/components/schemas/WALocation' vCards: description: List of vCards contained in the message type: array items: type: string _data: type: object description: >- Message in raw WhatsApp format. May change at any time, use with caution! replyTo: $ref: '#/components/schemas/ReplyToMessage' required: - id - timestamp - from - fromMe - source - to - participant - body - hasMedia - mediaUrl - ack - ackName WAMedia: type: object properties: url: type: string description: Media URL in the message, if any example: >- http://localhost:3000/api/files/false_11111111111@c.us_AAAAAAAAAAAAAAAAAAAA.oga mimetype: type: string description: Media MIME type in the message example: audio/jpeg filename: type: string description: Original media file name example: example.pdf s3: description: Media S3 attributes if you are using S3 storage allOf: - $ref: '#/components/schemas/S3MediaData' error: type: object description: Error message when downloading media example: null WALocation: type: object properties: description: type: string latitude: type: string longitude: type: string required: - latitude - longitude ReplyToMessage: type: object properties: id: type: string description: Message ID example: AAAAAAAAAAAAAAAAAAAA participant: type: string example: 5511999999999@c.us body: type: string example: Hello! _data: type: object description: Raw data from reply's message required: - id S3MediaData: type: object properties: Bucket: type: string description: Nome do bucket S3 example: my-bucket Key: type: string description: S3 bucket object key example: default/false_11111111111@c.us_AAAAAAAAAAAAAAAAAAAA.oga required: - Bucket - Key securitySchemes: api_key: type: apiKey in: header name: apikey description: Your Wappfy API key (get it at dash.wappfy.com.br) ````