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

# Mark messages as read

> Marks one or more messages as read (sends read receipts).



## OpenAPI

````yaml openapi.evolution-v2.json POST /chat/markMessageAsRead/{instance}
openapi: 3.1.0
info:
  title: Evolution V2 Layer
  version: 1.0.0
  description: >-
    Pilot Status API Layer — Evolution V2. Base URL
    `https://pilotstatus.com.br/api/layer/evolution-v2`. Authenticate with the
    `apikey` header (your Pilot Status `ps_` key). Instance/session endpoints
    are NOT available through the layer.
servers:
  - url: https://pilotstatus.com.br/api/layer/evolution-v2
security:
  - apiKey: []
tags:
  - name: Call & Business
  - name: Chat
  - name: Group
  - name: Label
  - name: Message
  - name: Profile
  - name: Settings & Proxy
  - name: Storage (S3)
  - name: Template
paths:
  /chat/markMessageAsRead/{instance}:
    post:
      tags:
        - Chat
      summary: Mark messages as read
      description: Marks one or more messages as read (sends read receipts).
      operationId: post__chat_markMessageAsRead_instance
      parameters:
        - name: instance
          in: path
          required: true
          schema:
            type: string
          description: The number's display name in the Pilot Status dashboard.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                readMessages:
                  type: array
                  description: Array of message key objects to mark as read.
                  items:
                    type: object
                  example:
                    - id: BAE5F5A632EAE722
                      fromMe: false
                      remoteJid: 5511999999999@s.whatsapp.net
                readMessages[].id:
                  type: string
                  description: Message id.
                readMessages[].fromMe:
                  type: boolean
                  description: Whether the message was sent by this number.
                readMessages[].remoteJid:
                  type: string
                  description: Chat JID the message belongs to.
              required:
                - readMessages
                - readMessages[].id
                - readMessages[].fromMe
                - readMessages[].remoteJid
      responses:
        '200':
          description: Success — provider-native response body.
          content:
            application/json:
              schema:
                type: object
                properties:
                  message:
                    type: string
                    description: Human-readable result message.
                  read:
                    type: string
                    description: Read-receipt result, e.g. "success".
                required:
                  - message
                  - read
              example:
                message: Read messages
                read: success
        default:
          description: Error — provider or layer error.
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: integer
                  error:
                    type: string
                  message:
                    type: string
                  response:
                    type: object
              example:
                status: 400
                error: Bad Request
                message: Invalid payload
components:
  securitySchemes:
    apiKey:
      type: apiKey
      in: header
      name: apikey
      description: >-
        Your Pilot Status API key (ps_...). Evolution GO also accepts
        `Authorization: Bearer <key>`.

````