openapi: 3.1.0 info: title: Microsoft Dataverse Web API (Dynamics 365 Sales) Accounts Tasks API description: 'OData v4 RESTful Web API for Microsoft Dataverse, the platform behind Dynamics 365 Sales. Used to create, read, update, and delete Dynamics 365 Sales records (accounts, contacts, leads, opportunities, quotes, orders, invoices, products, tasks) and to invoke bound and unbound actions and functions. Authentication uses OAuth 2.0 bearer tokens issued by Microsoft Entra ID; the endpoint is per-environment, for example https://{org}.api.crm.dynamics.com/api/data/v9.2/. ' version: v9.2 contact: name: Kin Lane email: kin@apievangelist.com license: name: Microsoft Terms of Use url: https://www.microsoft.com/en-us/legal/terms-of-use servers: - url: https://{org}.api.crm.dynamics.com/api/data/v9.2 description: Dataverse environment endpoint variables: org: default: contoso description: Dataverse organization (environment) prefix security: - oauth2: [] tags: - name: Tasks description: Activity tasks paths: /tasks: get: tags: - Tasks summary: Query tasks operationId: tasks_list responses: '200': description: OK post: tags: - Tasks summary: Create a task operationId: tasks_create requestBody: required: true content: application/json: schema: type: object responses: '204': description: No Content components: securitySchemes: oauth2: type: oauth2 description: Microsoft Entra ID OAuth 2.0 bearer token flows: authorizationCode: authorizationUrl: https://login.microsoftonline.com/common/oauth2/v2.0/authorize tokenUrl: https://login.microsoftonline.com/common/oauth2/v2.0/token scopes: https://{org}.api.crm.dynamics.com/.default: Dataverse environment access clientCredentials: tokenUrl: https://login.microsoftonline.com/common/oauth2/v2.0/token scopes: https://{org}.api.crm.dynamics.com/.default: Service-to-service access