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DocumentationDescription
Using this websiteTake advantage of resources on this API documentation website based on where you are in your development journey.
Sign up processIn this section, we walk through the steps to sign up and join the BILL developer program.
Development environmentsThe BILL developer program provides two environments for you to build and test your application with the BILL API.
Sandbox bank account setupSet up a test bank account in the sandbox environment to test and build with the BILL API.
API structureIn this section, we explain the BILL API request and response format.
BILL API Reference OverviewUse the BILL API to integrate your application with the BILL Accounts Receivable (AR) and Accounts Payable (AP) automation capabilities.