Need to integrate API's for Two different webapps -- 2

Job ID: 34589940

Budget: ₹1,500 – ₹12,500 INR

We have 2 web apps with open API's that we are looking to sync together.
Looking for someone to explain if/how this is possible and give a walkthrough of the process/procedure. Timeframe etc.
More Information can be discussed over the call.

We have to integrate CRM & Accounting features(Oodo) with the 3rd Party (Logistics) webapp.
Related categories: PHP Software Architecture MySQL HTML API Integration