Welcome to the Tight API

The Tight Embedded experience and APIs help platforms serving small businesses quickly overcome their obstacles to year-round accounting, bookkeeping, and income taxes. Tight's fully white-labeled embedded solutions allow FinTechs, financial institutions, and other platforms to better support small business owners running sole proprietorships, LLCs, LLPs, S Corps, and C Corporations.

Tight’s Embedded experience and APIs allow you to seamlessly embed robust invoicing, expense tracking, financial statements, accounting, and income tax features, including full support for the accrual basis, cash basis, and modified cash basis accounting methods.

Tight’s proven platform is used by thousands of accountants, virtual bookkeepers, tax preparers and Fintech platforms to efficiently service hundreds of thousands of small business clients. All of Tight's products are backed by Tight's highly rated enterprise-grade support.

Take a look at each of Tight's products in the left-hand navigation panel or explore Tight's many integrations.