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I'm trying to send an array of content versions via the Standard API that Salesforce suggests :

Using POST method to :

https://SandboxName.my.salesforce.com/services/data/v43.0/sobjects/ContentVersion

[
 
 "VersionData":"/9j/4AAQSkZJRgABAQEAYABADn/2Q==",
 "PathOnClient":"Array1.jpg",
 "Description":"Array1",
 "Document_Type__c":"1"

 ,

 
 "VersionData":"/9j/4AAQSkZJRgh25==",
 "PathOnClient":"Array2.jpg",
 "Description":"ARRAy2",
 "Document_Type__c":"1"
 
]

With one file - Its working, but when I change it to array and add another file - Its throw me this error :

**[
 
 "message": "Json Deserialization failed on token 'null' and has left off in the middle of parsing a row. Will go to end of row to begin parsing the next row",
 "errorCode": "INVALID_FIELD"
 
]**

My questions are:

1. What the problem here???




2. I'm sending the request ok? and if I do - this is legal to do? (send it as an array).




3. There are limitations that I need to be aware of using an array?

Thank you.

The way you are following can insert only one record. In order to create record in bulk using REST API, you need to use Composite Tree resource- Tree resource can be used to create nested records, you can also create multiple, unrelated records of the same type.

So endpoint would be:
https://SandboxName.my.salesforce.com/services/data/v43.0/composite/tree/ContentVersion

Request Body:

"records" :[
 
 "attributes" : "type" : "ContentVersion", "referenceId" : "ref1",
 "VersionData":"/9j/4AAQSkZJRgABAQEAYABADn/2Q==",
 "PathOnClient":"Array1.jpg",
 "Description":"Array1"
 ,

 
 "attributes" : "type" : "ContentVersion", "referenceId" : "ref2",
 "VersionData":"/9j/4AAQSkZJRgh25==",
 "PathOnClient":"Array2.jpg",
 "Description":"ARRAy2"
 
]

P.S:
In each row you would need to pass a reference id for each record as shown above.

SOURCE ARTICLE: https://developer.salesforce.com/docs/atlas.en-us.api_rest.meta/api_rest/dome_composite_sobject_tree_flat.htm