Changes to Post

added the new required request property payer_id

added the new required request property provider

added the new required request property subscriber

the request's body type changed from no type to object

deleted the header request parameter Authorization

the endpoint scheme security OAuthScheme was added to the API

added the new optional request property dependent

added the new optional request property encounter

added the new optional request property get_existing_check_initiated_after

added the new optional request property portal_password

added the new optional request property portal_username

added the new optional request property source

added the new optional request property submitter_transaction_identifier

api operation id post removed and replaced with v1_post