The following table lists all the service endpoints that were available in Microsoft Dynamics AX 2012 and the new service endpoints that have been introduced in Dynamics AX.
| Service endpoint | AX 2012 | Dynamics AX |
|---|---|---|
| Document Services (AXDs) | Yes | No – Replaced by data entities |
| SOAP-based Metadata Service | Yes | No – Replaced by REST metadata |
| SOAP-based Query Service | Yes | No – Replaced by OData |
| OData Query Service | Yes | No – Replaced by OData |
| SOAP-based Custom Service | Yes | Yes |
| JSON-based Custom Service | No | Yes (New) |
| OData Service | No | Yes (New) |
| REST Metadata Service | No | Yes (New) |
For full details – please check AX Wiki:
https://ax.help.dynamics.com/en/wiki/dynamics-ax-7-services-technical-concepts-guide/
Rizwan Ahmed 