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Integration between two salesforce orgs
How to integrate salesforce with salesforce using SOAP approach..??? Please help me step by step procedure
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So have you created and webservice that you would be exposing to the second org that would be consuming the service?
Salesforce to Salesforce Integration Using REST API and OAuth
http://amulhai.blogspot.in/2015/11/salesforce-to-salesforce-integration.html
Getting record from other Salesforce organization OR communication between multiple salesforce organization
http://www.jitendrazaa.com/blog/salesforce/getting-record-from-one-salesforce-organization-to-other/
Please let us know if this will help you
Thanks
Amit Chaudhary
Here Soap integration is performed by taking example of two salesforce system.
https://www.sfdc-lightning.com/2018/10/salesforce-soap-integration.html