---
title: "Integrations - Light"
url: "https://docs.unified.to/integrations/light"
description: "Build Light integrations faster with our Unified API — Accounting data, OAuth2, real-time sync."
date: "2026-10-25T22:24:19.492Z"
updated: "2026-10-25T22:24:19.492Z"
---
![](https://api.unified.to/docs/images/light.png)

# Light integration

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

#### Overview

Company website:

<https://light.inc>

Integration launch date:

October 6, 2026

API Categories:

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

API Authorization:

 OAuth2 flow OAuth2 client credentials flow

#### ACCOUNTING ACCOUNT

End-API object:

 ledger\_account

Unified API Methods:

[List](https://docs.unified.to/accounting/account/List%5Fall%5Faccounts.md)

List options:

limitoffsetsort\_by\_created\_atsort\_by\_updated\_at

Readable fields:

[created\_at](https://docs.unified.to/accounting/account/model.md)[id](https://docs.unified.to/accounting/account/model.md)[name](https://docs.unified.to/accounting/account/model.md)[updated\_at](https://docs.unified.to/accounting/account/model.md)

Writable fields:

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

#### ACCOUNTING BILL

End-API object:

 invoice\_payable

Unified API Methods:

[List](https://docs.unified.to/accounting/bill/List%5Fall%5Fbills.md)[Get](https://docs.unified.to/accounting/bill/Retrieve%5Fa%5Fbill.md)

List options:

limitoffsetsort\_by\_created\_atsort\_by\_updated\_at

Readable fields:

[bill\_number](https://docs.unified.to/accounting/bill/model.md)[contact\_id](https://docs.unified.to/accounting/bill/model.md)[created\_at](https://docs.unified.to/accounting/bill/model.md)[currency](https://docs.unified.to/accounting/bill/model.md)[due\_at](https://docs.unified.to/accounting/bill/model.md)[id](https://docs.unified.to/accounting/bill/model.md)[notes](https://docs.unified.to/accounting/bill/model.md)[organization\_id](https://docs.unified.to/accounting/bill/model.md)[paid\_at](https://docs.unified.to/accounting/bill/model.md)[posted\_at](https://docs.unified.to/accounting/bill/model.md)[status](https://docs.unified.to/accounting/bill/model.md)[total\_amount](https://docs.unified.to/accounting/bill/model.md)[updated\_at](https://docs.unified.to/accounting/bill/model.md)

Writable fields:

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

#### ACCOUNTING CONTACT

End-API object:

 customer vendor

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)

List options:

limitoffsetsort\_by\_created\_atsort\_by\_updated\_attype

Readable fields:

[billing\_address](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\_active](https://docs.unified.to/accounting/contact/model.md)[is\_customer](https://docs.unified.to/accounting/contact/model.md)[is\_supplier](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)[shipping\_address](https://docs.unified.to/accounting/contact/model.md)[tax\_number](https://docs.unified.to/accounting/contact/model.md)[updated\_at](https://docs.unified.to/accounting/contact/model.md)

Writable fields:

[name](https://docs.unified.to/accounting/contact/model.md)[billing\_address](https://docs.unified.to/accounting/contact/model.md)[emails](https://docs.unified.to/accounting/contact/model.md)[is\_customer](https://docs.unified.to/accounting/contact/model.md)[is\_supplier](https://docs.unified.to/accounting/contact/model.md)[shipping\_address](https://docs.unified.to/accounting/contact/model.md)[tax\_number](https://docs.unified.to/accounting/contact/model.md)

 required fields 

#### ACCOUNTING INVOICE

End-API object:

 invoice\_receivable

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)

List options:

limitoffsetsort\_by\_created\_atsort\_by\_updated\_at

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)[due\_at](https://docs.unified.to/accounting/invoice/model.md)[id](https://docs.unified.to/accounting/invoice/model.md)[invoice\_number](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)[organization\_id](https://docs.unified.to/accounting/invoice/model.md)[posted\_at](https://docs.unified.to/accounting/invoice/model.md)[reference](https://docs.unified.to/accounting/invoice/model.md)[status](https://docs.unified.to/accounting/invoice/model.md)[total\_amount](https://docs.unified.to/accounting/invoice/model.md)[updated\_at](https://docs.unified.to/accounting/invoice/model.md)

Writable fields:

[contact\_id](https://docs.unified.to/accounting/invoice/model.md)[currency](https://docs.unified.to/accounting/invoice/model.md)[due\_at](https://docs.unified.to/accounting/invoice/model.md)[notes](https://docs.unified.to/accounting/invoice/model.md)[reference](https://docs.unified.to/accounting/invoice/model.md)

 required fields 

#### ACCOUNTING JOURNAL

End-API object:

 journal\_entry

Unified API Methods:

[List](https://docs.unified.to/accounting/journal/List%5Fall%5Fjournals.md)[Get](https://docs.unified.to/accounting/journal/Retrieve%5Fa%5Fjournal.md)[Create](https://docs.unified.to/accounting/journal/Create%5Fa%5Fjournal.md)[Update](https://docs.unified.to/accounting/journal/Update%5Fa%5Fjournal.md)

List options:

limitoffsetsort\_by\_created\_atsort\_by\_updated\_at

Readable fields:

[created\_at](https://docs.unified.to/accounting/journal/model.md)[currency](https://docs.unified.to/accounting/journal/model.md)[description](https://docs.unified.to/accounting/journal/model.md)[id](https://docs.unified.to/accounting/journal/model.md)[organization\_id](https://docs.unified.to/accounting/journal/model.md)[posted\_at](https://docs.unified.to/accounting/journal/model.md)[reference](https://docs.unified.to/accounting/journal/model.md)[status](https://docs.unified.to/accounting/journal/model.md)[updated\_at](https://docs.unified.to/accounting/journal/model.md)

Writable fields:

[currency](https://docs.unified.to/accounting/journal/model.md)[description](https://docs.unified.to/accounting/journal/model.md)[posted\_at](https://docs.unified.to/accounting/journal/model.md)[reference](https://docs.unified.to/accounting/journal/model.md)

#### ACCOUNTING ORGANIZATION

End-API object:

 company\_entity

Unified API Methods:

[List](https://docs.unified.to/accounting/organization/List%5Fall%5Forganizations.md)

List options:

limitoffsetsort\_by\_created\_atsort\_by\_updated\_at

Readable fields:

[address](https://docs.unified.to/accounting/organization/model.md)[created\_at](https://docs.unified.to/accounting/organization/model.md)[currency](https://docs.unified.to/accounting/organization/model.md)[id](https://docs.unified.to/accounting/organization/model.md)[name](https://docs.unified.to/accounting/organization/model.md)[parent\_id](https://docs.unified.to/accounting/organization/model.md)[tax\_number](https://docs.unified.to/accounting/organization/model.md)[updated\_at](https://docs.unified.to/accounting/organization/model.md)

Writable fields:

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

#### ACCOUNTING TRANSACTION

End-API object:

 ledger\_transaction\_line

Unified API Methods:

[List](https://docs.unified.to/accounting/transaction/List%5Fall%5Ftransactions.md)

List options:

limitoffsetsort\_by\_created\_atsort\_by\_updated\_at

Readable fields:

[account\_id](https://docs.unified.to/accounting/transaction/model.md)[contacts](https://docs.unified.to/accounting/transaction/model.md)[created\_at](https://docs.unified.to/accounting/transaction/model.md)[currency](https://docs.unified.to/accounting/transaction/model.md)[id](https://docs.unified.to/accounting/transaction/model.md)[memo](https://docs.unified.to/accounting/transaction/model.md)[organization\_id](https://docs.unified.to/accounting/transaction/model.md)[reference](https://docs.unified.to/accounting/transaction/model.md)[total\_amount](https://docs.unified.to/accounting/transaction/model.md)[transaction\_at](https://docs.unified.to/accounting/transaction/model.md)

Writable fields:

[\-none-](https://docs.unified.to/accounting/transaction/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)