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BILL Invoices API

The Invoices API from BILL — 3 operation(s) for invoices.

BILL Invoices API is one of 11 APIs that BILL publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Invoices. The published artifact set on APIs.io includes an OpenAPI specification.

This API exposes 5 operations across 3 paths, and defines 1 schema. It is described by OpenAPI 3.1.0, at version 3.0.0.

Requests are made against 4 base URLs: https://gateway.prod.bill.com/connect/v3, https://gateway.stage.bill.com/connect/v3, https://api.bill.com/v3, https://api-sandbox.bill.com/v3.

5 operations 3 paths 1 schemas 2 GET1 PATCH2 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
3.0.0
Base URL
https://gateway.prod.bill.com/connect/v3
Authentication
API Key
License
Proprietary
Resource Areas
1

Authentication & Security 1

BILL Invoices API declares 1 security scheme for authenticating requests. An API key is passed in the header as sessionId (sessionAuth). By default, every request must be authenticated.

  • sessionAuth — Session identifier obtained from POST /login. Expires after 35 minutes of inactivity. A devKey (developer key) is also required on requests and is sent alongsi…

Paths & Operations 5

Across 3 paths, the API surfaces 5 operations — 2 GET, 1 PATCH, 2 POST. Each is listed below with its method, path, parameters, and response codes.

Invoices 5
GET
/invoices
List invoices
listInvoices → 200
POST
/invoices
Create an invoice
createInvoice body → 201
GET
/invoices/{invoiceId}
Retrieve an invoice
getInvoice 1 param → 200
PATCH
/invoices/{invoiceId}
Update an invoice
updateInvoice 1 param body → 200
POST
/invoices/{invoiceId}/send
Send an invoice to the customer
sendInvoice 1 param → 200

Schemas 1

The contract defines 1 schema that model the data the API accepts and returns. The most detailed is InvoiceCreate (7 properties). Each schema is shown below with its type and property counts.

InvoiceCreate
object
7 properties 5 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

bill-invoices-api-openapi.yml Raw ↑

Other APIs BILL publishes across the network.

BILL v3 API
BILL Elements
BILL Authentication API
BILL Bills API
BILL Customers API
BILL Funding Accounts API
BILL Organizations API
BILL Payments API
BILL Vendors API
BILL Webhooks API