# BILL v3 API

**Canonical:** https://apis.io/apis/bill/v3-api/  
**Provider:** BILL — https://apis.io/providers/bill/  
**Base URL:** https://gateway.prod.bill.com/connect/v3  
**Documentation:** https://developer.bill.com/docs/bill-v3-api-get-started

BILL v3 API is one of 11 APIs that [BILL](https://apis.io/providers/bill/) publishes on the [APIs.io](https://apis.io/) network, described by an AsyncAPI event-driven specification. Tagged areas include Accounts Payable, Accounts Receivable, Spend Management, Payments, and Webhook. The published artifact set on APIs.io includes API documentation, an API reference, a getting-started guide, and an AsyncAPI specification.

REST API providing full-breadth access to BILL's Accounts Payable, Accounts Receivable, and Spend & Expense capabilities including bills, invoices, vendors, customers, payments, approvals, and webhook event notifications. Production calls are made to https://gateway.prod.bill.com/connect/v3 with sandbox at https://gateway.stage.bill.com/connect/v3.

## Machine-readable artifacts (6)

- **Documentation** — https://developer.bill.com/docs/home
- **APIReference** — https://developer.bill.com/reference
- **GettingStarted** — https://developer.bill.com/docs/bill-v3-api-get-started
- **PostmanCollection** — https://www.postman.com/bill-api-platform/bill-api-platform-workspace/overview
- **AsyncAPI** — https://raw.githubusercontent.com/api-evangelist/bill/refs/heads/main/asyncapi/bill-webhooks-asyncapi.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/bill/refs/heads/main/apis.yml

## Other BILL APIs (10)

- [BILL Elements](https://apis.io/apis/bill/elements/)
- [BILL Authentication API](https://apis.io/apis/bill/bill-authentication-api/)
- [BILL Bills API](https://apis.io/apis/bill/bill-bills-api/)
- [BILL Customers API](https://apis.io/apis/bill/bill-customers-api/)
- [BILL Funding Accounts API](https://apis.io/apis/bill/bill-funding-accounts-api/)
- [BILL Invoices API](https://apis.io/apis/bill/bill-invoices-api/)
- [BILL Organizations API](https://apis.io/apis/bill/bill-organizations-api/)
- [BILL Payments API](https://apis.io/apis/bill/bill-payments-api/)
- [BILL Vendors API](https://apis.io/apis/bill/bill-vendors-api/)
- [BILL Webhooks API](https://apis.io/apis/bill/bill-webhooks-api/)

## Tags

Accounts Payable, Accounts Receivable, Spend Management, Payments, Webhook

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/bill/v3-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/bill/.