Oracle HRMS regularly used APIs List

hr_employee_api.create_employee
hr_employee_api.re_hire_ex_employee
dt_api.find_dt_upd_modes
hr_person_api.update_person
hr_contact_rel_api.create_contact
hr_person_address_api.create_person_address
hr_person_address_api.update_person_address
pay_element_entry_api.create_element_entry
pay_element_entry_api.delete_element_entry

hr_personal_pay_method_api.create_personal_pay_method
hr_phone_api.create_or_update_phone

hr_maintain_proposal_api.cre_or_upd_salary_proposal

hr_assignment_api.update_emp_asg  ( For general field Updates )
hr_assignment_api.update_emp_asg_criteria ( Creteria Updates )