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OneUp integration

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Overview

Company website:

https://www.oneup.com/

Integration launch date:

September 1, 2026

API Categories:

Accounting E-Commerce Payments Passthrough

API Authorization:

API Email / API Key

ACCOUNTING CONTACT

End-API object:

customer vendor

Unified API Methods:

List Get Create Update Remove

List options:

limit offset type

Readable fields:

billing_address company_name currency emails first_name id is_customer is_supplier last_name name shipping_address tax_number telephones

Writable fields:

name billing_address company_name currency first_name is_supplier last_name tax_number

required fields

ACCOUNTING INVOICE

End-API object:

invoice

Unified API Methods:

List Get Create Update Remove

List options:

contact_id limit offset

Readable fields:

balance_amount contact_id currency discount_amount extended_notes id invoice_number lineitems notes paid_amount posted_at status tax_amount total_amount

Writable fields:

contact_id lineitems currency notes posted_at

required fields

ACCOUNTING BILL

End-API object:

vendorbill

Unified API Methods:

List Get Create Update Remove

List options:

Readable fields:

balance_amount bill_number contact_id currency discount_amount id lineitems notes paid_amount status tax_amount total_amount

Writable fields:

bill_number contact_id currency lineitems notes

ACCOUNTING CREDITMEMO

End-API object:

creditmemo

Unified API Methods:

List Get Create Update Remove

List options:

contact_id limit offset

Readable fields:

balance_amount contact_id currency discount_amount id lineitems notes paid_amount status tax_amount total_amount

Writable fields:

contact_id lineitems currency notes

required fields

ACCOUNTING VENDORCREDIT

End-API object:

vendorcreditmemo

Unified API Methods:

List options:

Readable fields:

balance_amount currency id status total_amount

Writable fields:

ACCOUNTING TAXRATE

End-API object:

tax

Unified API Methods:

List options:

Readable fields:

Writable fields:

ACCOUNTING ACCOUNT

End-API object:

account

Unified API Methods:

List options:

Readable fields:

customer_defined_code id name parent_id

Writable 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 type description prices

required fields

PAYMENT PAYMENT

End-API object:

payment billpayment

Unified API Methods:

List Get Create Remove

List options:

bill_id invoice_id limit offset type

Readable fields:

account_id bill_id currency id invoice_id reference total_amount type

Writable fields:

account_id bill_id invoice_id total_amount

PASSTHROUGH

Unified API Methods:

POST GET PUT DELETE

List options:

Readable fields:

Writable fields:

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