---
title: "Integrations - Stax"
url: "https://docs.unified.to/integrations/stax"
description: "Build Stax integrations faster with our Unified API — Payments data, API key, real-time sync."
date: "2026-11-02T12:21:17.863Z"
updated: "2026-11-02T12:21:17.863Z"
---
![](https://api.unified.to/docs/images/stax.png)

# Stax integration

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

#### Overview

Company website:

<https://staxpayments.com>

Integration launch date:

November 2, 2026

API Categories:

[Payments](https://docs.unified.to/payment/overview.md)[Accounting](https://docs.unified.to/accounting/overview.md)[E-Commerce](https://docs.unified.to/commerce/overview.md)[HR & Directory](https://docs.unified.to/hris/overview.md)[Passthrough](https://docs.unified.to/passthrough/overview.md)

API Authorization:

 API Key

#### 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:

limitoffsetorderquerysort\_by\_created\_atsort\_by\_name

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)[identification](https://docs.unified.to/accounting/contact/model.md)[is\_active](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)[notes](https://docs.unified.to/accounting/contact/model.md)[telephones](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)[identification](https://docs.unified.to/accounting/contact/model.md)[last\_name](https://docs.unified.to/accounting/contact/model.md)[notes](https://docs.unified.to/accounting/contact/model.md)[telephones](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)[Create](https://docs.unified.to/accounting/invoice/Create%5Fan%5Finvoice.md)[Update](https://docs.unified.to/accounting/invoice/Update%5Fan%5Finvoice.md)[Remove](https://docs.unified.to/accounting/invoice/Remove%5Fan%5Finvoice.md)

List options:

limitoffsetquery

Readable fields:

[balance\_amount](https://docs.unified.to/accounting/invoice/model.md)[contact\_id](https://docs.unified.to/accounting/invoice/model.md)[created\_at](https://docs.unified.to/accounting/invoice/model.md)[due\_at](https://docs.unified.to/accounting/invoice/model.md)[id](https://docs.unified.to/accounting/invoice/model.md)[lineitems](https://docs.unified.to/accounting/invoice/model.md)[notes](https://docs.unified.to/accounting/invoice/model.md)[paid\_amount](https://docs.unified.to/accounting/invoice/model.md)[paid\_at](https://docs.unified.to/accounting/invoice/model.md)[posted\_at](https://docs.unified.to/accounting/invoice/model.md)[status](https://docs.unified.to/accounting/invoice/model.md)[sub\_total\_amount](https://docs.unified.to/accounting/invoice/model.md)[tax\_amount](https://docs.unified.to/accounting/invoice/model.md)[total\_amount](https://docs.unified.to/accounting/invoice/model.md)[type](https://docs.unified.to/accounting/invoice/model.md)[updated\_at](https://docs.unified.to/accounting/invoice/model.md)[url](https://docs.unified.to/accounting/invoice/model.md)

Writable fields:

[contact\_id](https://docs.unified.to/accounting/invoice/model.md)[due\_at](https://docs.unified.to/accounting/invoice/model.md)[lineitems](https://docs.unified.to/accounting/invoice/model.md)[notes](https://docs.unified.to/accounting/invoice/model.md)[posted\_at](https://docs.unified.to/accounting/invoice/model.md)[sub\_total\_amount](https://docs.unified.to/accounting/invoice/model.md)[tax\_amount](https://docs.unified.to/accounting/invoice/model.md)[total\_amount](https://docs.unified.to/accounting/invoice/model.md)[url](https://docs.unified.to/accounting/invoice/model.md)

#### COMMERCE ITEM

End-API object:

 item

Unified API Methods:

[List](https://docs.unified.to/commerce/item/List%5Fall%5Fitems.md)[Get](https://docs.unified.to/commerce/item/Retrieve%5Fan%5Fitem.md)[Create](https://docs.unified.to/commerce/item/Create%5Fan%5Fitem.md)[Update](https://docs.unified.to/commerce/item/Update%5Fan%5Fitem.md)[Remove](https://docs.unified.to/commerce/item/Remove%5Fan%5Fitem.md)

List options:

limitoffsetquery

Readable fields:

[created\_at](https://docs.unified.to/commerce/item/model.md)[description](https://docs.unified.to/commerce/item/model.md)[global\_code](https://docs.unified.to/commerce/item/model.md)[id](https://docs.unified.to/commerce/item/model.md)[is\_active](https://docs.unified.to/commerce/item/model.md)[is\_taxable](https://docs.unified.to/commerce/item/model.md)[name](https://docs.unified.to/commerce/item/model.md)[prices](https://docs.unified.to/commerce/item/model.md)[tags](https://docs.unified.to/commerce/item/model.md)[total\_stock](https://docs.unified.to/commerce/item/model.md)[type](https://docs.unified.to/commerce/item/model.md)[updated\_at](https://docs.unified.to/commerce/item/model.md)

Writable fields:

[name](https://docs.unified.to/commerce/item/model.md)[description](https://docs.unified.to/commerce/item/model.md)[global\_code](https://docs.unified.to/commerce/item/model.md)[is\_active](https://docs.unified.to/commerce/item/model.md)[is\_taxable](https://docs.unified.to/commerce/item/model.md)[prices](https://docs.unified.to/commerce/item/model.md)[tags](https://docs.unified.to/commerce/item/model.md)[total\_stock](https://docs.unified.to/commerce/item/model.md)[type](https://docs.unified.to/commerce/item/model.md)

 required fields 

#### HRIS EMPLOYEE

End-API object:

 user

Unified API Methods:

[List](https://docs.unified.to/hris/employee/List%5Fall%5Femployees.md)[Get](https://docs.unified.to/hris/employee/Retrieve%5Fan%5Femployee.md)

List options:

limitoffset

Readable fields:

[created\_at](https://docs.unified.to/hris/employee/model.md)[emails](https://docs.unified.to/hris/employee/model.md)[employee\_roles](https://docs.unified.to/hris/employee/model.md)[employment\_status](https://docs.unified.to/hris/employee/model.md)[first\_name](https://docs.unified.to/hris/employee/model.md)[id](https://docs.unified.to/hris/employee/model.md)[image\_url](https://docs.unified.to/hris/employee/model.md)[last\_name](https://docs.unified.to/hris/employee/model.md)[name](https://docs.unified.to/hris/employee/model.md)[updated\_at](https://docs.unified.to/hris/employee/model.md)

Writable fields:

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

#### PAYMENT LINK

End-API object:

 payment\_link

Unified API Methods:

[List](https://docs.unified.to/payment/link/List%5Fall%5Flinks.md)[Get](https://docs.unified.to/payment/link/Retrieve%5Fa%5Flink.md)[Remove](https://docs.unified.to/payment/link/Remove%5Fa%5Flink.md)

List options:

limitoffsetorderquerysort\_by\_created\_atsort\_by\_name

Readable fields:

[amount](https://docs.unified.to/payment/link/model.md)[created\_at](https://docs.unified.to/payment/link/model.md)[description](https://docs.unified.to/payment/link/model.md)[id](https://docs.unified.to/payment/link/model.md)[is\_active](https://docs.unified.to/payment/link/model.md)[updated\_at](https://docs.unified.to/payment/link/model.md)[url](https://docs.unified.to/payment/link/model.md)

Writable fields:

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

#### PAYMENT PAYMENT

End-API object:

 transaction

Unified API Methods:

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

List options:

contact\_idlimitoffsetordersort\_by\_created\_atstart\_gte

Readable fields:

[card\_last4](https://docs.unified.to/payment/payment/model.md)[contact\_id](https://docs.unified.to/payment/payment/model.md)[created\_at](https://docs.unified.to/payment/payment/model.md)[currency](https://docs.unified.to/payment/payment/model.md)[id](https://docs.unified.to/payment/payment/model.md)[invoice\_id](https://docs.unified.to/payment/payment/model.md)[notes](https://docs.unified.to/payment/payment/model.md)[payment\_method](https://docs.unified.to/payment/payment/model.md)[status](https://docs.unified.to/payment/payment/model.md)[tender\_type](https://docs.unified.to/payment/payment/model.md)[total\_amount](https://docs.unified.to/payment/payment/model.md)[type](https://docs.unified.to/payment/payment/model.md)[updated\_at](https://docs.unified.to/payment/payment/model.md)

Writable fields:

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

#### PAYMENT REFUND

End-API object:

 transaction

Unified API Methods:

[List](https://docs.unified.to/payment/refund/List%5Fall%5Frefunds.md)[Get](https://docs.unified.to/payment/refund/Retrieve%5Fa%5Frefund.md)

List options:

limitoffsetordersort\_by\_created\_at

Readable fields:

[created\_at](https://docs.unified.to/payment/refund/model.md)[currency](https://docs.unified.to/payment/refund/model.md)[id](https://docs.unified.to/payment/refund/model.md)[notes](https://docs.unified.to/payment/refund/model.md)[payment\_id](https://docs.unified.to/payment/refund/model.md)[refunded\_at](https://docs.unified.to/payment/refund/model.md)[status](https://docs.unified.to/payment/refund/model.md)[tender\_type](https://docs.unified.to/payment/refund/model.md)[total\_amount](https://docs.unified.to/payment/refund/model.md)[updated\_at](https://docs.unified.to/payment/refund/model.md)

Writable fields:

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

#### PAYMENT SUBSCRIPTION

End-API object:

 schedule

Unified API Methods:

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

List options:

contact\_idlimitoffsetordersort\_by\_created\_at

Readable fields:

[canceled\_at](https://docs.unified.to/payment/subscription/model.md)[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)[current\_period\_start\_at](https://docs.unified.to/payment/subscription/model.md)[description](https://docs.unified.to/payment/subscription/model.md)[end\_at](https://docs.unified.to/payment/subscription/model.md)[id](https://docs.unified.to/payment/subscription/model.md)[interval](https://docs.unified.to/payment/subscription/model.md)[interval\_unit](https://docs.unified.to/payment/subscription/model.md)[lineitems](https://docs.unified.to/payment/subscription/model.md)[start\_at](https://docs.unified.to/payment/subscription/model.md)[status](https://docs.unified.to/payment/subscription/model.md)[total\_amount](https://docs.unified.to/payment/subscription/model.md)[updated\_at](https://docs.unified.to/payment/subscription/model.md)

Writable fields:

[contact\_id](https://docs.unified.to/payment/subscription/model.md)[description](https://docs.unified.to/payment/subscription/model.md)[end\_at](https://docs.unified.to/payment/subscription/model.md)[interval](https://docs.unified.to/payment/subscription/model.md)[interval\_unit](https://docs.unified.to/payment/subscription/model.md)[lineitems](https://docs.unified.to/payment/subscription/model.md)[start\_at](https://docs.unified.to/payment/subscription/model.md)[status](https://docs.unified.to/payment/subscription/model.md)[total\_amount](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)