openapi: 3.1.0
info:
  title: Google Gmail API
  description: >-
    The Gmail API lets you view and manage Gmail mailbox data like threads,
    messages, and labels. It provides RESTful access to Gmail mailboxes
    including message sending, drafting, organizing with labels, managing
    settings, and push notifications for mailbox changes.
  version: v1
  contact:
    name: Google
    url: https://developers.google.com/workspace/gmail/api/guides
servers:
  - url: https://gmail.googleapis.com
paths:
  /gmail/v1/users/{userId}/profile:
    get:
      operationId: getUserProfile
      summary: Google Gmail Get user profile
      description: Gets the current user's Gmail profile.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Profile'
      tags:
        - Gmail
  /gmail/v1/users/{userId}/messages:
    get:
      operationId: listMessages
      summary: Google Gmail List messages
      description: Lists the messages in the user's mailbox.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
        - name: maxResults
          in: query
          schema:
            type: integer
        - name: pageToken
          in: query
          schema:
            type: string
        - name: q
          in: query
          schema:
            type: string
        - name: labelIds
          in: query
          schema:
            type: array
            items:
              type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListMessagesResponse'
      tags:
        - Gmail
    post:
      operationId: insertMessage
      summary: Google Gmail Insert message
      description: Directly inserts a message into the user's mailbox.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Message'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Message'
      tags:
        - Gmail
  /gmail/v1/users/{userId}/messages/{id}:
    get:
      operationId: getMessage
      summary: Google Gmail Get message
      description: Gets the specified message.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
        - name: id
          in: path
          required: true
          schema:
            type: string
        - name: format
          in: query
          schema:
            type: string
            enum: [minimal, full, raw, metadata]
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Message'
      tags:
        - Gmail
    delete:
      operationId: deleteMessage
      summary: Google Gmail Delete message
      description: Immediately and permanently deletes the specified message.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
        - name: id
          in: path
          required: true
          schema:
            type: string
      responses:
        '204':
          description: Successful deletion
      tags:
        - Gmail
  /gmail/v1/users/{userId}/messages/send:
    post:
      operationId: sendMessage
      summary: Google Gmail Send message
      description: Sends the specified message to the recipients.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Message'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Message'
      tags:
        - Gmail
  /gmail/v1/users/{userId}/messages/{id}/modify:
    post:
      operationId: modifyMessage
      summary: Google Gmail Modify message
      description: Modifies the labels on the specified message.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
        - name: id
          in: path
          required: true
          schema:
            type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ModifyMessageRequest'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Message'
      tags:
        - Gmail
  /gmail/v1/users/{userId}/messages/{id}/trash:
    post:
      operationId: trashMessage
      summary: Google Gmail Trash message
      description: Moves the specified message to the trash.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
        - name: id
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Message'
      tags:
        - Gmail
  /gmail/v1/users/{userId}/messages/{id}/untrash:
    post:
      operationId: untrashMessage
      summary: Google Gmail Untrash message
      description: Removes the specified message from the trash.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
        - name: id
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Message'
      tags:
        - Gmail
  /gmail/v1/users/{userId}/labels:
    get:
      operationId: listLabels
      summary: Google Gmail List labels
      description: Lists all labels in the user's mailbox.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListLabelsResponse'
      tags:
        - Gmail
    post:
      operationId: createLabel
      summary: Google Gmail Create label
      description: Creates a new label.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Label'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Label'
      tags:
        - Gmail
  /gmail/v1/users/{userId}/labels/{id}:
    get:
      operationId: getLabel
      summary: Google Gmail Get label
      description: Gets the specified label.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
        - name: id
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Label'
      tags:
        - Gmail
    put:
      operationId: updateLabel
      summary: Google Gmail Update label
      description: Updates the specified label.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
        - name: id
          in: path
          required: true
          schema:
            type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Label'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Label'
      tags:
        - Gmail
    delete:
      operationId: deleteLabel
      summary: Google Gmail Delete label
      description: Immediately and permanently deletes the specified label.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
        - name: id
          in: path
          required: true
          schema:
            type: string
      responses:
        '204':
          description: Successful deletion
      tags:
        - Gmail
  /gmail/v1/users/{userId}/threads:
    get:
      operationId: listThreads
      summary: Google Gmail List threads
      description: Lists the threads in the user's mailbox.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
        - name: maxResults
          in: query
          schema:
            type: integer
        - name: pageToken
          in: query
          schema:
            type: string
        - name: q
          in: query
          schema:
            type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListThreadsResponse'
      tags:
        - Gmail
  /gmail/v1/users/{userId}/threads/{id}:
    get:
      operationId: getThread
      summary: Google Gmail Get thread
      description: Gets the specified thread.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
        - name: id
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Thread'
      tags:
        - Gmail
    delete:
      operationId: deleteThread
      summary: Google Gmail Delete thread
      description: Immediately and permanently deletes the specified thread.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
        - name: id
          in: path
          required: true
          schema:
            type: string
      responses:
        '204':
          description: Successful deletion
      tags:
        - Gmail
  /gmail/v1/users/{userId}/drafts:
    get:
      operationId: listDrafts
      summary: Google Gmail List drafts
      description: Lists the drafts in the user's mailbox.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListDraftsResponse'
      tags:
        - Gmail
    post:
      operationId: createDraft
      summary: Google Gmail Create draft
      description: Creates a new draft with the DRAFT label.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Draft'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Draft'
      tags:
        - Gmail
  /gmail/v1/users/{userId}/drafts/{id}:
    get:
      operationId: getDraft
      summary: Google Gmail Get draft
      description: Gets the specified draft.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
        - name: id
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Draft'
      tags:
        - Gmail
    put:
      operationId: updateDraft
      summary: Google Gmail Update draft
      description: Replaces a draft's content.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
        - name: id
          in: path
          required: true
          schema:
            type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Draft'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Draft'
      tags:
        - Gmail
    delete:
      operationId: deleteDraft
      summary: Google Gmail Delete draft
      description: Immediately and permanently deletes the specified draft.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
        - name: id
          in: path
          required: true
          schema:
            type: string
      responses:
        '204':
          description: Successful deletion
      tags:
        - Gmail
  /gmail/v1/users/{userId}/drafts/send:
    post:
      operationId: sendDraft
      summary: Google Gmail Send draft
      description: Sends the specified existing draft to the recipients.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Draft'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Message'
      tags:
        - Gmail
  /gmail/v1/users/{userId}/history:
    get:
      operationId: listHistory
      summary: Google Gmail List history
      description: Lists the history of all changes to the given mailbox.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
        - name: startHistoryId
          in: query
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListHistoryResponse'
      tags:
        - Gmail
  /gmail/v1/users/{userId}/watch:
    post:
      operationId: watchMailbox
      summary: Google Gmail Watch mailbox
      description: Set up or update a push notification watch on the given user mailbox.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/WatchRequest'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WatchResponse'
      tags:
        - Gmail
  /gmail/v1/users/{userId}/stop:
    post:
      operationId: stopMailboxWatch
      summary: Google Gmail Stop watching mailbox
      description: Stop receiving push notifications for the given user mailbox.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
      responses:
        '204':
          description: Successful response
      tags:
        - Gmail
  /gmail/v1/users/{userId}/settings/autoForwarding:
    get:
      operationId: getAutoForwarding
      summary: Google Gmail Get auto-forwarding settings
      description: Gets the auto-forwarding setting for the specified account.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Successful response
      tags:
        - Gmail
  /gmail/v1/users/{userId}/settings/filters:
    get:
      operationId: listFilters
      summary: Google Gmail List filters
      description: Lists the message filters of a Gmail user.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Successful response
      tags:
        - Gmail
    post:
      operationId: createFilter
      summary: Google Gmail Create filter
      description: Creates a filter.
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Successful response
      tags:
        - Gmail
components:
  schemas:
    Profile:
      type: object
      properties:
        emailAddress:
          type: string
        messagesTotal:
          type: integer
        threadsTotal:
          type: integer
        historyId:
          type: string
    Message:
      type: object
      properties:
        id:
          type: string
        threadId:
          type: string
        labelIds:
          type: array
          items:
            type: string
        snippet:
          type: string
        historyId:
          type: string
        internalDate:
          type: string
        sizeEstimate:
          type: integer
        raw:
          type: string
    ListMessagesResponse:
      type: object
      properties:
        messages:
          type: array
          items:
            $ref: '#/components/schemas/Message'
        nextPageToken:
          type: string
        resultSizeEstimate:
          type: integer
    ModifyMessageRequest:
      type: object
      properties:
        addLabelIds:
          type: array
          items:
            type: string
        removeLabelIds:
          type: array
          items:
            type: string
    Label:
      type: object
      properties:
        id:
          type: string
        name:
          type: string
        messageListVisibility:
          type: string
        labelListVisibility:
          type: string
        type:
          type: string
          enum: [system, user]
    ListLabelsResponse:
      type: object
      properties:
        labels:
          type: array
          items:
            $ref: '#/components/schemas/Label'
    Thread:
      type: object
      properties:
        id:
          type: string
        snippet:
          type: string
        historyId:
          type: string
        messages:
          type: array
          items:
            $ref: '#/components/schemas/Message'
    ListThreadsResponse:
      type: object
      properties:
        threads:
          type: array
          items:
            $ref: '#/components/schemas/Thread'
        nextPageToken:
          type: string
        resultSizeEstimate:
          type: integer
    Draft:
      type: object
      properties:
        id:
          type: string
        message:
          $ref: '#/components/schemas/Message'
    ListDraftsResponse:
      type: object
      properties:
        drafts:
          type: array
          items:
            $ref: '#/components/schemas/Draft'
        nextPageToken:
          type: string
        resultSizeEstimate:
          type: integer
    ListHistoryResponse:
      type: object
      properties:
        history:
          type: array
          items:
            type: object
        nextPageToken:
          type: string
        historyId:
          type: string
    WatchRequest:
      type: object
      properties:
        labelIds:
          type: array
          items:
            type: string
        labelFilterAction:
          type: string
          enum: [include, exclude]
        topicName:
          type: string
    WatchResponse:
      type: object
      properties:
        historyId:
          type: string
        expiration:
          type: string
tags:
  - name: Gmail