Web API Reference

Article
11/28/2016

Applies To: Dynamics 365 (online), Dynamics 365 (on-premises), Dynamics CRM 2016, Dynamics CRM Online

This section contains reference documentation of the types, functions, and actions that constitute the Web API for Microsoft Dynamics 365 (online & on-premises).

In This Section

Web API EntityType Reference
An EntityType represents an entity type in the OData v4 entity model.
Web API Action Reference
Actions represent operations that may have observable side effects, such as creating or updating records. An action may require parameters and may return a value. Actions may be bound to entity types.
Web API Function Reference
A function is an operation that doesn’t have observable side effects. Functions typically retrieve data. They may have parameters and they may return values. Functions may be bound to entity types.
Web API Query Function Reference
Query functions are functions that can be used as a filter criteria in a query. They accept parameters and return a Boolean value.
Web API ComplexType Reference
A ComplexType represents structured data that doesn't have a key. Complex types are frequently returned as a response from using an action or function or passed as a parameter to a function..
Web API EnumType Reference
An EnumType represents an enumeration type in an OData v4 entity model.
Web API Metadata EntityType Reference
Metadata EntityTypes represent the types used in the Microsoft Dynamics 365 metadata model. For information about using these entity types, see Use the Web API with Dynamics 365 metadata.