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Get started with AP & AR

The BILL v3 API gives you access to the same infrastructure that powers the AP, AR, and S&E products. In addition, you can receive real-time event notifications with webhooks.

WorkflowDocumentationDescription
AP & ARSandbox API sign upYour first step is to sign-up and set up your credentials to begin testing with the BILL AP & AR API.
Spend & ExpenseAuthentication with Spend & Expense API tokenA Spend & Expense API token is required for you to begin testing with the Spend & Expense API.
WebhooksWebhooksSubscribe to and receive real-time notifications for BILL events, such as create a vendor, update a bill, or create a payment.

More documentation resources

Learn more about the BILL API services with a range of documentation resources.

SectionDescription
GuidesIn the Guides section, we introduce the core BILL v3 API concepts
API referenceIn the API Reference section, we explain each BILL v3 API endpoint
RecipesIn the Recipes section, we highlight workflows with different BILL v3 API endpoints
Postman CollectionIn the Postman Collection, we enable another method to test with the BILL v3 API. Simply fork the Collection and begin testing with different BILL v3 API workflows.