A plain explanation of the three mechanisms a platform meets in EU VAT, the one case where the platform itself becomes the taxable seller, and how each one is recorded in the books.
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.
Why platform teams outgrow QuickBooks, what "API, not an app" actually requires, and which alternatives fit which job.
A comparison for platform teams, based on Xero's published API limits and pricing pages and on what Nordlet actually ships.
A comparison for developers deciding between an embedded accounting API and an open-source ERP suite, based on each product's own documentation.
A scope list, a cost model with stated assumptions, and the conditions under which each answer is correct.
Seven options a platform team actually considers, sorted by what each one is for, with the limits and pricing models that decide the choice.
A grounded comparison for developers and product teams deciding between an embedded accounting API and a mid-market finance system.