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InvoiceXpress integration

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Overview

Company website:

https://invoicexpress.com

Integration launch date:

October 27, 2026

API Categories:

Accounting E-Commerce Passthrough

API Authorization:

API Key / Account name

ACCOUNTING CONTACT

End-API object:

client

Unified API Methods:

List Get Create Update

List options:

Readable fields:

billing_address emails first_name id identification is_customer last_name name notes tax_number telephones website

Writable fields:

identification name billing_address emails notes tax_number telephones website

required fields

ACCOUNTING INVOICE

End-API object:

invoice

Unified API Methods:

List options:

contact_id limit offset start_gte type

Readable fields:

contact_id currency due_at id invoice_number lineitems notes posted_at reference status sub_total_amount tax_amount total_amount type url

Writable fields:

ACCOUNTING TAXRATE

End-API object:

tax

Unified API Methods:

List Get Create Update Remove

List options:

Readable fields:

id name rate region

Writable fields:

name rate region

required fields

COMMERCE ITEM

End-API object:

item

Unified API Methods:

List Get Create Update Remove

List options:

Readable fields:

description id name prices type

Writable fields:

name prices description

required fields

PASSTHROUGH

Unified API Methods:

POST GET PUT DELETE

List options:

Readable fields:

Writable fields:

Are we missing anything? Let us know

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