Read/Write My Emails using Microsoft Graph

openapi.json

{
  "openapi": "3.0.0",
  "info": {
    "title": "Microsoft Graph API Example",
    "version": "1.0"
    "x-comment": "Scope: Calendars.Read Calendars.ReadWrite Mail.Read Mail.ReadWrite User.Read Mail.Send"
  },
  "servers": [
    {
      "url": "https://graph.microsoft.com/v1.0"
    }
  ],
  "paths": {
    "/me": {
      "get": {
        "operationId": "getUserProfile",
        "summary": "Get current user profile",
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/UserProfile"
                }
              }
            }
          }
        },
        "security": [
          {
            "OAuth2": []
          }
        ]
      }
    },
    "/me/messages": {
      "get": {
        "operationId": "getUserEmails",
        "summary": "Get user's email messages",
        "parameters": [
          {
            "name": "$top",
            "in": "query",
            "required": false,
            "schema": {
              "type": "integer",
              "default": 10
            },
            "description": "Number of emails to return per page."
          },
          {
            "name": "$skip",
            "in": "query",
            "required": false,
            "schema": {
              "type": "integer",
              "default": 0
            },
            "description": "Number of emails to skip."
          }
        ],
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "value": {
                      "type": "array",
                      "items": {
                        "$ref": "#/components/schemas/UserEmails"
                      }
                    },
                    "@odata.nextLink": {
                      "type": "string"
                    }
                  }
                }
              }
            }
          }
        },
        "security": [
          {
            "OAuth2": []
          }
        ]
      }
    },
    "/me/sendMail": {
      "post": {
        "operationId": "sendUserEmail",
        "summary": "Send an email message",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/SendMail"
              }
            }
          }
        },
        "responses": {
          "202": {
            "description": "Email sent successfully"
          }
        },
        "security": [
          {
            "OAuth2": []
          }
        ]
      }
    }
  },
  "components": {
    "schemas": {
      "UserProfile": {
        "type": "object",
        "properties": {
          "displayName": {
            "type": "string"
          },
          "mail": {
            "type": "string"
          }
        }
      },
      "UserEmails": {
        "type": "object",
        "properties": {
          "subject": {
            "type": "string"
          },
          "sender": {
            "type": "object",
            "properties": {
              "emailAddress": {
                "type": "object",
                "properties": {
                  "name": {
                    "type": "string"
                  },
                  "address": {
                    "type": "string"
                  }
                }
              }
            }
          },
          "bodyPreview": {
            "type": "string"
          },
          "receivedDateTime": {
            "type": "string",
            "format": "date-time"
          }
        }
      },
      "SendMail": {
        "type": "object",
        "required": [
          "message"
        ],
        "properties": {
          "message": {
            "type": "object",
            "required": [
              "subject",
              "body",
              "toRecipients"
            ],
            "properties": {
              "subject": {
                "type": "string"
              },
              "body": {
                "type": "object",
                "properties": {
                  "contentType": {
                    "type": "string",
                    "enum": [
                      "text",
                      "HTML"
                    ],
                    "default": "text"
                  },
                  "content": {
                    "type": "string"
                  }
                }
              },
              "toRecipients": {
                "type": "array",
                "items": {
                  "type": "object",
                  "required": [
                    "emailAddress"
                  ],
                  "properties": {
                    "emailAddress": {
                      "type": "object",
                      "required": [
                        "address"
                      ],
                      "properties": {
                        "address": {
                          "type": "string",
                          "format": "email"
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    },
    "securitySchemes": {
      "OAuth2": {
        "type": "oauth2",
        "flows": {
          "authorizationCode": {
            "authorizationUrl": "https://login.microsoftonline.com/common/oauth2/v2.0/authorize",
            "tokenUrl": "https://login.microsoftonline.com/common/oauth2/v2.0/token",
            "scopes": {
              "User.Read": "Read user profile",
              "Mail.Read": "Read user's mail",
              "Mail.ReadWrite": "Read and write access to user's mail",
              "Mail.Send": "Send mail as a user",
              "Calendars.Read": "Read user's calendar",
              "Calendars.ReadWrite": "Read and write access to user's calendar"
            }
          }
        }
      }
    }
  }
}