Database.com REST API Developer's Guide - Salesforce.com

Using REST API ResourcesSubmit a Record for ApprovalExample request bodynone requiredExample JSON response body{}"approvals" : {"Account" : [ {"description" : null,"id" : "04aD00000008Py9","name" : "Account Approval Process","object" : "Account","sortOrder" : 1} ]}Submit a Record for ApprovalUse the Process Approvals resource to submit a record or a collection of records for approval. Each call takes an array ofrequests. The entity must support an approval process and an approval process must have already been defined.Example usagecurl https://na1.salesforce.com/services/data/v30.0/process/approvals/ -H "Authorization:Bearer token" -H "Content-Type: application/json" -d @submit.json"Example request body submit.json file{}"requests" : [{"actionType" : "Submit","contextId" : "001D000000I8mIm","nextApproverIds" : ["005D00000015rY9"],"comments" : " this is a test"}]Example JSON response body[ {"actorIds" : [ "005D00000015rY9IAI" ],"entityId" : "001D000000I8mImIAJ","errors" : null,"instanceId" : "04gD0000000Cvm5IAC","instanceStatus" : "Pending","newWorkitemIds" : [ "04iD0000000Cw6SIAS" ],"success" : true } ]Approve a RecordUse the Process Approvals resource to approve a record or a collection of records. Each call takes an array of requests. Thecurrent user must be an assigned approver.48