Microsoft Graph · Schema
microsoft.graph.outlookItem
Azure ADCollaborationContactsDocumentsEmailGraphIdentityMicrosoftOffice 365PresentationsProductivitySpreadsheetsT1Task
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "#/components/schemas/microsoft.graph.outlookItem",
"title": "microsoft.graph.outlookItem",
"allOf": [
{
"$ref": "#/components/schemas/microsoft.graph.entity"
},
{
"title": "outlookItem",
"required": [
"@odata.type"
],
"type": "object",
"properties": {
"categories": {
"type": "array",
"items": {
"type": "string",
"nullable": true
},
"description": "The categories associated with the item"
},
"changeKey": {
"type": "string",
"description": "Identifies the version of the item. Every time the item is changed, changeKey changes as well. This allows Exchange to apply changes to the correct version of the object. Read-only.",
"nullable": true
},
"createdDateTime": {
"pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
"type": "string",
"description": "The Timestamp type represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z",
"format": "date-time",
"nullable": true
},
"lastModifiedDateTime": {
"pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
"type": "string",
"description": "The Timestamp type represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z",
"format": "date-time",
"nullable": true
},
"@odata.type": {
"type": "string"
}
},
"discriminator": {
"propertyName": "@odata.type",
"mapping": {
"#microsoft.graph.contact": "#/components/schemas/microsoft.graph.contact",
"#microsoft.graph.event": "#/components/schemas/microsoft.graph.event",
"#microsoft.graph.message": "#/components/schemas/microsoft.graph.message",
"#microsoft.graph.calendarSharingMessage": "#/components/schemas/microsoft.graph.calendarSharingMessage",
"#microsoft.graph.eventMessage": "#/components/schemas/microsoft.graph.eventMessage",
"#microsoft.graph.eventMessageRequest": "#/components/schemas/microsoft.graph.eventMessageRequest",
"#microsoft.graph.eventMessageResponse": "#/components/schemas/microsoft.graph.eventMessageResponse",
"#microsoft.graph.post": "#/components/schemas/microsoft.graph.post"
}
}
}
]
}
Work with this as data
Every JSON Schema here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for schemas
4 MCP tools reach this
find_json_schemasBrowse and filter every JSON Schema in the catalog.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This JSON Schema
curl "https://apis.io/api/v1/json-schemas/microsoft-graph-microsoftgraphoutlookitem"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"
Discovery needs no key. Ratings and market analysis are Pro.
Get an API key
Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.