---
title: "Integrations - Billsby"
url: "https://docs.unified.to/integrations/billsby"
description: "Build Billsby integrations faster with our Unified API — Payments data, API key, real-time sync."
date: "2026-10-25T22:24:19.492Z"
updated: "2026-10-25T22:24:19.492Z"
---
![](https://api.unified.to/docs/images/billsby.png)

# Billsby integration

[Back to integrations](https://docs.unified.to/integrations.md)

#### Overview

Company website:

<https://www.billsby.com>

Integration launch date:

October 19, 2026

API Categories:

[Payments](https://docs.unified.to/payment/overview.md)[Accounting](https://docs.unified.to/accounting/overview.md)[Passthrough](https://docs.unified.to/passthrough/overview.md)

API Authorization:

 API Key / Company Domain

#### ACCOUNTING CONTACT

End-API object:

 customer

Unified API Methods:

[List](https://docs.unified.to/accounting/contact/List%5Fall%5Fcontacts.md)[Get](https://docs.unified.to/accounting/contact/Retrieve%5Fa%5Fcontact.md)[Create](https://docs.unified.to/accounting/contact/Create%5Fa%5Fcontact.md)[Update](https://docs.unified.to/accounting/contact/Update%5Fa%5Fcontact.md)[Remove](https://docs.unified.to/accounting/contact/Remove%5Fa%5Fcontact.md)

List options:

limitoffset

Readable fields:

[billing\_address](https://docs.unified.to/accounting/contact/model.md)[company\_name](https://docs.unified.to/accounting/contact/model.md)[created\_at](https://docs.unified.to/accounting/contact/model.md)[emails](https://docs.unified.to/accounting/contact/model.md)[first\_name](https://docs.unified.to/accounting/contact/model.md)[id](https://docs.unified.to/accounting/contact/model.md)[is\_customer](https://docs.unified.to/accounting/contact/model.md)[last\_name](https://docs.unified.to/accounting/contact/model.md)[name](https://docs.unified.to/accounting/contact/model.md)[updated\_at](https://docs.unified.to/accounting/contact/model.md)

Writable fields:

[billing\_address](https://docs.unified.to/accounting/contact/model.md)[company\_name](https://docs.unified.to/accounting/contact/model.md)[emails](https://docs.unified.to/accounting/contact/model.md)[first\_name](https://docs.unified.to/accounting/contact/model.md)[last\_name](https://docs.unified.to/accounting/contact/model.md)[name](https://docs.unified.to/accounting/contact/model.md)

#### ACCOUNTING INVOICE

End-API object:

 invoice

Unified API Methods:

[List](https://docs.unified.to/accounting/invoice/List%5Fall%5Finvoices.md)[Get](https://docs.unified.to/accounting/invoice/Retrieve%5Fan%5Finvoice.md)

List options:

limitoffset

Readable fields:

[contact\_id](https://docs.unified.to/accounting/invoice/model.md)[created\_at](https://docs.unified.to/accounting/invoice/model.md)[currency](https://docs.unified.to/accounting/invoice/model.md)[id](https://docs.unified.to/accounting/invoice/model.md)[total\_amount](https://docs.unified.to/accounting/invoice/model.md)

Writable fields:

[\-none-](https://docs.unified.to/accounting/invoice/model.md)

#### PAYMENT SUBSCRIPTION

End-API object:

 subscription

Unified API Methods:

[List](https://docs.unified.to/payment/subscription/List%5Fall%5Fsubscriptions.md)[Get](https://docs.unified.to/payment/subscription/Retrieve%5Fa%5Fsubscription.md)

List options:

limitoffset

Readable fields:

[contact\_id](https://docs.unified.to/payment/subscription/model.md)[created\_at](https://docs.unified.to/payment/subscription/model.md)[current\_period\_end\_at](https://docs.unified.to/payment/subscription/model.md)[id](https://docs.unified.to/payment/subscription/model.md)

Writable fields:

[\-none-](https://docs.unified.to/payment/subscription/model.md)

#### PASSTHROUGH

Unified API Methods:

[POST](https://docs.unified.to/passthrough/overview.md)[GET](https://docs.unified.to/passthrough/overview.md)[PUT](https://docs.unified.to/passthrough/overview.md)[DELETE](https://docs.unified.to/passthrough/overview.md)

List options:

\-none-

Readable fields:

[\-none-](https://docs.unified.to/passthrough/undefined/model.md)

Writable fields:

[\-none-](https://docs.unified.to/passthrough/undefined/model.md)