Accounting API

Ledger Accounts

Tax Rates

Company Info

Invoices

Customers

Bills

Suppliers

Invoice Items

Payments

Credit Notes

Journal Entries

Subsidiaries

BalanceSheet

ProfitAndLoss

Purchase Orders

Locations

Departments

Attachments

Tracking Categories

Bill Payments

Expenses

Aged Creditors

Aged Debtors

Bank Feed Accounts

Bank Feed Statements

Quotes

Bank Accounts

Projects

Refunds

Payment Methods

Sales Receipts

Companies

Employees

Expense Categories

Expense Reports

SnelStart is a Dutch cloud + desktop accounting suite for freelancers, SMBs, and accounting firms. The B2B API exposes administrations, sales/purchase invoices, journal entries, ledger accounts, contacts, articles, VAT rates, and documents.

connection

getting_started

SnelStart

Testing and production share one API surface — SnelStart has no separate sandbox host. Build against a real SnelStart administration with the development key, then swap in the permanent key; no endpoint change is needed. Treat everything you write as production data.

Certificering aanvragen (certification application)

Koppelen via de Web API (connecting via the Web API)

Core Financial

Accounts Receivable

Accounts Payable

Banking

Organizational

Other

The accounting basis used by the company for financial reports.

Accounting method

edge-case

Whether sales tax is calculated automatically for the company

Automated sales tax

Company name

Date when company file was created

country code according to ISO 3166-1 alpha-2.

The date and time when the object was created.

Created at (timestamp)

Created by

Indicates the associated currency for an amount of money. Values correspond to [ISO 4217](https://en.wikipedia.org/wiki/ISO_4217).

Currency

UNKNOWN_CURRENCY

When custom mappings are configured on the resource, the result is included here.

Tax code assigned to identify this tax rate.

Tax code

Tax components

Country code according to ISO 3166-1 alpha-2.

Country

Description

Display ID

Effective tax rate

Name

ID of the original tax rate from which the new tax rate is derived. Helps to understand the relationship between corresponding tax rate entities.

Original tax rate ID

The pass_through property allows passing service-specific, custom data or structured modifications in request body when creating or updating resources.

Report Tax type to aggregate tax collected or paid for reporting purposes

Report Tax Type

A binary value used to detect updates to a object and prevent data conflicts. It is incremented each time an update is made to the object.

Row version

Tax rate status

Unique identifier for the account for tax collected.

Tax payable account id

Unique identifier for the account for tax remitted.

Tax remitted account id

Not compounded sum of the components of a tax rate

Total tax rate

Tax type used to indicate the source of tax collected or paid

Tax Type

The date and time when the object was last updated.

Updated at (timestamp)

Updated by

high

The start month of fiscal year.

language code according to ISO 639-1. For the United States - EN

Legal name

Whether sales tax is enabled for the company

Sales tax enabled

Sales Tax Number

Based on the status some functionality is enabled or disabled.

Company status

Whether tracking categories are enabled for the company on transactions

Tracking categories enabled

The mode of tracking categories for the company on transactions

Tracking categories mode

Is active

Account Name

Account Number

Account Type

Bank Code

The name of the bank or financial institution

Bank Name

BIC/SWIFT Code

Branch Identifier

Bank State Branch number (Australia/New Zealand)

BSB Number

Country Code

IBAN

Routing Number

Classification

Code

Current balance

medium

The human readable display ID used when displaying the account

Fully Qualified Name

Is header

Reconciliation Date means the last calendar day of each Reconciliation Period.

Last Reconciliation Date

Nominal Code

Opening balance

The human readable display ID used when displaying the parent account

Parent account ID

Account status

Whether the account is a sub account or not.

Is sub account

Sub accounts

Sub Type

Tax rate code

The ID of the object.

Rate

Type

Account ID

Parent ID

The channel through which the transaction is processed.

Channel

The company ID the transaction belongs to

CompanyId

Customer Category

Display Name

The third-party API ID of original entity

First name

Is this an individual or business customer

Is individual

Last name

Middle name

Notes

The parent customer this entity is linked to.

The parent ID of the customer this entity is linked to.

Customer ID

LinkedParentCustomer

Payment method used for the transaction, such as cash, credit card, bank transfer, or check

Payment method

Is project

Status

Display id

Suffix

Tax number

Whether the entity is subject to taxation

Taxable

Terms

Payment Terms ID

Job title

Is this an individual or business supplier

The integration system the supplier belongs to.

Integration System ID

Email address of the person who issued the purchase order for the supplier

Issued email

Method of issuance of the purchase order for the supplier

Issued method

Subsidiary ID

Supplier Category

Category ID

Item code

Department ID

Item ID

The date of opening balance if inventory item is tracked - YYYY-MM-DD.

Inventory date

Location ID

Item name

Tax inclusive

Description of the unit type the item is sold as, ie: kg, hour.

Unit of measure

Unit price

Item is available for purchase transactions

Item purchased

Quantity

Item will be available on sales transactions

Item sold

Tax schedule ID

If true, transactions for this item are taxable

SnelStart – Supported Resources

Supported resources