Learn Exact Online

Everything you need to integrate with the Exact Online API

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8Articles & Guides

Articles & Guides

In-depth articles and integration guides

8
01

The Complete Guide to Exact Online API Integration in 2026

This guide covers everything you need to know about the Exact Online API: authentication flows, rate limits, endpoint patterns, common pitfalls, and how to build production-ready integrations without the typical headaches.

02

Rutter Alternatives: A Technical Evaluation for 2026

Evaluating Rutter alternatives? Learn which unified API platforms offer deeper accounting integrations, real-time passthrough data access, zero-storage compliance advantages, and transparent pricing models—plus which option fits your roadmap best.

03

How to Integrate with the Twinfield API

Developer guide to integrating with the Twinfield API. Covers OAuth, cluster routing, SOAP requests, rate limits, and the partner certification process.

04

Accrual vs Cash-Based Accounting: Geographic Differences and What They Mean for Your API

The rules around accrual and cash-based accounting vary by country, entity type, and business size. The US allows cash up to $31M in gross receipts. The UK now defaults to cash for sole traders. Germany requires accrual for most businesses. This post covers the regulatory differences across markets and what it means when you are building accounting integrations through APIs.

05

Best Unified API Platforms for Developers and SaaS Teams (2026)

Comparing the best unified API platforms for accounting, CRM, and HRIS integrations in 2026. This guide covers Apideck, Merge, Codat, Workato, Unified.to, Kombo, Rutter, Chift, and Knit, with a deep focus on unified accounting API coverage, real-time data access, pricing models, and developer tradeoffs for B2B SaaS and fintech teams.

06

Top 15 Accounting APIs to Integrate with in 2026

Building SaaS in 2026? The right accounting API can make or break your product. This article breaks down the 15 APIs that matter most: what they're best at, key features, real-world use cases, and how they compare on authentication, rate limits, and data models. Includes a full comparison table, AP/AR capabilities per platform, 2026 API pricing changes from Xero and Intuit, and official documentation links.

07

API Aggregator: What It Is, How It Works, and How to Choose One

Learn what an API aggregator is, how it works under the hood, and what to look for when choosing one. Covers open banking, accounting, HRIS, and CRM aggregators.

08

How to Integrate with the MoneyBird API in 2026

A practical guide to integrating with the MoneyBird API: OAuth vs personal tokens, pagination, filtering, rate limits, webhooks, and the synchronization API — with working Python examples.