> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tight.com/llms.txt
> Use this file to discover all available pages before exploring further.

# 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.

<img src="https://mintcdn.com/tight-7c882d74/Wf-_-tBNZrYWdgZf/v5.0/images/8815370-overview.gif?s=ed888ab066e6a6072c2036c80505bc78" alt="Business Owner UX Demo" width="1118" height="600" data-path="v5.0/images/8815370-overview.gif" />

Tight’s [Embedded experience](/v5.0/embeddable-ui/embeddable-white-labeled-experience) and APIs allow you to seamlessly embed robust [invoicing](/v5.0/products/invoicing-api), [expense tracking](/v5.0/products/bank-transactions-1/expense-tracking), [financial statements](/v5.0/products/financial-statements), [accounting](/v5.0/products/accounting), and [income tax](/v5.0/products/tax/tax-calculations) features, including full support for the accrual basis, cash basis, and modified cash basis accounting methods.

<img src="https://mintlify.s3.us-west-1.amazonaws.com/tight-7c882d74/v5.0/images/2a89b5d-accountingReconciliation.gif" alt="Bookkeeper UX Demo" />

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.

<img src="https://mintcdn.com/tight-7c882d74/PBb8Gf8jW9PRt_Fg/v5.0/images/510f99b67cf01a4fcc13dd795a7e69b69f7d2588aa1e9fb408960c32f6543dd1-invoicingMobile.gif?s=e2d908b84d67a2db18824c19f2074eff" alt="Mobile Invoicing Demo" width="290" height="600" data-path="v5.0/images/510f99b67cf01a4fcc13dd795a7e69b69f7d2588aa1e9fb408960c32f6543dd1-invoicingMobile.gif" />

Take a look at each of Tight's products in the left-hand navigation panel or explore [Tight's many integrations](/v5.0/integrations/overview).