# BILL Authentication API

**Canonical:** https://apis.io/apis/bill/bill-authentication-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 Authentication API is one of 11 APIs that [BILL](https://apis.io/providers/bill/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Authentication. The published artifact set on APIs.io includes an OpenAPI specification.

The Authentication API from BILL — 5 operation(s) for authentication.

## Machine-readable artifacts (1)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/bill/refs/heads/main/openapi/bill-authentication-api-openapi.yml

## Other BILL APIs (10)

- [BILL v3 API](https://apis.io/apis/bill/v3-api/)
- [BILL Elements](https://apis.io/apis/bill/elements/)
- [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

Authentication

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