Salesforce to Salesforce Using REST – Part II

A bit of a temporary setback here.
I naively thought that whatever you could do in the SFDC SOAP API you could do in the REST API. Specifically, that it would be possible for APEX code in the source product catalog org to do mass inserts, updates, or upserts in the target org. NOPE.

The REST API only allows Create-Update-Delete operations on single resources – that is, single records. You can query (Read) to your heart’s content over many records. Teach me to not fully read the documentation.


  1. I could have the source org use the SOAP API. I looked into this and it is kind of a heavy-weight solution wherein you generate a massive Apex class from the partner or Enterprise WSDL. I tried this and realized that the Enterprise WSDL was too large to import and thus would need to be trimmed before I could generate the APEX bindings to it. This would mean maintenance issues. The Partner WSDL isn’t strongly typed and thus is more trouble than it’s worth to work with.
  2. I could use the SFDC Bulk API from the source org. This has other issues notably the input has to be either XML or CSV so I’d need to do conversions and, more importantly, it is asynchronous making the Visualforce page flow control complex with polling. Yuck.
  3. I could write a custom REST service that would be deployed on all target orgs that would handle the upserts through its own logic. This looked like the best way forward as the source org code would be simple – create a payload in the POST body for the Product2, PricebookEntry, and Pricebook2 SObjects. The target org custom REST service would figure out what needed to be done, cross-referencing source org data with existing target org data matching on Product2.ProductCode.

In many ways, option 3 is best as it will make testing easier through separation of responsibilities and much, much simpler Test Mock classes on the source org’s Apex class.

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