Using the QuickBooks Online Project API you can build app integrations to manage and track projects. The API gives you the flexibility to build creative solutions around key business problems.
Support for Projects depends on your specific QuickBooks Online product. Projects and the Project API are:
Supported sales transactions for your customers:
Supported purchase transactions for your vendors:
To get started developing a Projects app or integrating your app with the Projects API, go to Get started with the Project API.
We provide several use cases to help you build a project app. See Use cases.
To see the Project API GraphQL reference, go to the GraphQL API Explorer.
For information on handling errors, see Fix GraphQL errors.