What Is an Accounting API? A Plain-English Guide for Platform Builders
A plain-English definition of the accounting API, what separates it from a tax API or a payments API, and what to check before you build against one.
Blog
Guides on accounting automation, EU VAT and building on the Nordlet API.
QuickBooks Alternatives When You Need an API, Not an App
Why platform teams outgrow QuickBooks, what "API, not an app" actually requires, and which alternatives fit which job.
Nordlet vs Xero for Embedded Accounting
A comparison for platform teams, based on Xero's published API limits and pricing pages and on what Nordlet actually ships.
Nordlet vs Odoo for Platform Builders
A comparison for developers deciding between an embedded accounting API and an open-source ERP suite, based on each product's own documentation.
What Defines an Immutable Double-Entry Ledger API
A practical breakdown of the features that separate a real accounting ledger for EU marketplaces from a mutable balance table with good marketing.
Embedded Accounting: Build vs Buy for Marketplaces
A scope list, a cost model with stated assumptions, and the conditions under which each answer is correct.
What Is a Double-Entry Ledger API for Marketplaces?
A double-entry ledger API records marketplace money movement as balanced, immutable journal entries so you always know who is owed what and why.
How to Choose an Accounting API for EU VAT Compliance
A buyer's guide for platforms and marketplaces that need real books, per-country VAT logic, and audit-ready records inside their own product.
Best Accounting APIs for SaaS Platforms and Marketplaces (2026)
Seven options a platform team actually considers, sorted by what each one is for, with the limits and pricing models that decide the choice.
Automating Per-Country VAT Reporting and VIES Validation
A practical guide for developers embedding EU VAT compliance into marketplaces and platforms using a cloud accounting API.
Accounting SaaS in 2026: What It Means and How to Choose One
A guide to what accounting SaaS actually is in 2026, how the three product shapes differ, and how to pick the one that matches how your business creates transactions.
Building an Accounting API That Survives an Audit
A practical guide to the security and audit controls a financial API needs before Dutch businesses trust it with their books.
How to Integrate a Cloud Accounting API into a SaaS Platform
A practitioner's guide to building a multi-tenant accounting integration that survives OAuth, webhooks, tax rules, and reconciliation without corrupting the ledger.
Real-Time EU VAT for Developers Building in Nederland
A grounded comparison of accounting and tax platforms that handle Dutch and EU VAT through APIs, SDKs, and webhooks, with clear notes on what each one actually covers.
Automating EU VAT Compliance With a Cloud Accounting API
A working guide for platforms and marketplaces that need real books, correct VAT, and an audit trail that holds up years later.
Cloud Accounting for EEA Startups With Multiple Entities
A practical comparison of multi-company cloud accounting tools for EEA startups, and where API-first infrastructure like Nordlet fits in.
Nordlet vs AccountsIQ for Platform Builders
A grounded comparison for developers and product teams deciding between an embedded accounting API and a mid-market finance system.
Double-Entry Ledger APIs for Marketplace Accounting
A technical guide to how immutable double-entry ledger APIs work, why marketplaces need them, and what to look for when embedding accounting into your platform.
Best Accounting Automation APIs for EU Marketplaces (2026)
A practitioner's take on which accounting APIs actually hold up when you're moving money across borders, VAT regimes, and thousands of small transactions per day.