Expense Tracking API
Streamline expense management for your small business customers, and unlock advanced financial capabilities that differentiate your platform.


An Innovative Set of Features
Real-Time Expense Tracking
All business transactions are automatically captured and categorized as they occur.
Customizable Categorization
Expense categories can be adapted to fit your customers’ unique business needs.
Distinct Business and Tax Records
Business expense and tax categories are filed separately for more detailed statements.
Seamless Integrations
Data is synced across all existing financial, banking, and accounting systems.
Maximum Tax Savings
Advanced algorithms identify potential tax write-offs and optimize yearly returns.
Automated Financial Reports
Comprehensive expense statements can be generated with just a few clicks.
Tailored Experiences
Machine learning tools analyze, predict, and adapt to your customers’ spending habits.
Multi-Platform Support
Customers get an intuitive, consistent experience across all systems and devices.
Set Your Offering Apart
Empower your customers to take charge of their finances—with no accounting expertise required.

Eliminate busywork
Tight's API automates essential processes like logging and categorizing expenses, driving efficiency and reducing the risk of errors.

Provide deeper insights
Your customers get granular, up-to-the-minute visibility into their spending patterns, so they can better understand their finances and make more strategic decisions.

Support business growth
Our API can easily handle increasing transaction volumes without requiring a system overhaul—so your customers can scale without interruptions.

Simplify tax prep
Tight automatically files every expense and flags every possible deduction throughout the year, minimizing workloads at tax time while maximizing savings.

Reduce financial complexity
Our API tends to the details of expense management, so your customers can focus on high-impact business tasks—not complicated accounting principles.
Expand Your Platform Without Limits
Say goodbye to basic expense management software and burdensome in-house builds.
We deliver best-in-class, customized infrastructure designed just for you—so you can quickly launch new features and start seeing results.
Boost your revenue
Tight's embedded tools help you expand your product roadmap, boost customer engagement and retention, and unlock new sources of revenue.
Sprint to market
It takes minimal development time and effort to Integrate our off-the-shelf API—so you can save resources and unveil new solutions in a matter of days.
Clinch your customers
Built-in, user-friendly expense tools mean your customers can transform their finances without leaving your platform—earning you their ongoing loyalty.
Rest secured
We employ top-tier data encryption and comply with top security standards—plus, you’ll never need to store customers’ card or account information.
Build on your terms
Unlike other expense management solutions, our API is fully white-labeled and endlessly customizable—so you can design experiences that fit your brand.
A History of Results
With Tight's Expense Tracking API, banking-as-a-service platform Nymbus helps their clients—top-tier banks and credit unions—offer real-time insights and farsighted financial forecasting to SMBs.
Featured Articles
Learn more about how embedded expense tracking tools help fintechs, banking platforms, and SaaS providers elevate their small business customers’ finances.
Frequently Asked Questions
What is an expense tracking API, and how does it work?
An expense tracking API is a piece of software that connects to different enterprise systems, pulls and processes financial data, and automates key expense management tasks—like recording, categorizing, and analyzing business transactions. In some cases, an API’s algorithms can even be customized to classify expenses according to specific business rules.
What are the benefits of using an expense tracking API?
For businesses, tracking expenses with an API paints a clearer picture of where the company’s money is going. By providing high-level, real-time visibility, it enables more efficient and accurate cash flow management and better identification of potential savings. It also allows business leaders to make smarter decisions—like cutting frequent, unnecessary costs or allocating resources more effectively to promote growth and sustainability.
For financial service providers, using an API helps add expense tracking capabilities to their platform without the time, cost, and headaches of an in-house build. It can also deliver smoother customer experiences, boost customer engagement and retention rates, and open up new sources of revenue.
How can I integrate Tight's Expense Tracking API?
Integrating our Expense Tracking API into your platform involves a few key steps, including:
Obtaining API keys
Connecting to existing accounts and data sources, like CRMs, ERPs, and other systems
Creating new users within the API
Rendering Tight's white-labeled Embedded Expense Dashboard with a line of JavaScript
For a more detailed account of the integration process, check out our documentation—or reach out to our team to be guided through it step by step.
Are expense tracking technologies secure?
Reputable expense tracking technologies are exceptionally safe—but it’s essential to choose a provider that prioritizes data privacy and security. Providers like Tight, for example, carry out robust security measures and compliance programs to protect sensitive financial data. These include advanced data encryption methods, secure data transmission protocols, and certifications for leading industry standards like PCI DSS and SOC 2.
What should be included in expense tracking data?
Basic expense tracking data should include the transaction date, total amount, category, payee, and purpose. Additional details—like taxes and gratuities—can provide a more complete picture and help you analyze spending patterns on a deeper level.
How does an expense tracking API simplify tax preparation for small businesses?
An expense tracking API simplifies tax preparation by automatically categorizing expenses and identifying potential tax write-offs throughout the year. This not only reduces the time, resources, and manual effort required during tax season, it also maximizes potential deductions—both of which can lead to substantial savings.
How does an expense tracking API help with business forecasting?
An expense tracking API is essential for business forecasting because it provides accurate, real-time data on every transaction. This allows businesses to analyze spending patterns, predict future expenses, and make more informed decisions about budget allocation, investment opportunities, and cost-saving measures.
Why should I use an expense tracking API instead of building my own solution?
Leveraging the ready-made infrastructure of an expense tracking API means you can expand your offering faster, with lower development costs, and with easy access to new features and updates—without taking on the hassle of an in-house build and ongoing maintenance. This not only expands your product roadmap and revenue opportunities, it frees up your time and resources to focus on your core business.
How quickly can I expect results?
Tight's Expense Management API is easy to integrate, and you should be up and running within a matter of weeks. You can start offering expense management capabilities immediately thereafter. Your customers can expect to see near instant efficiency and data accuracy improvements. Most business customers notice significant financial oversight and operational productivity benefits within the first few weeks of adoption—including with expense categorization and reporting.
Can an expense tracking API adapt to changes in financial regulations and tax law?
Yes, a well-designed expense tracking API is built to adapt to evolving financial regulations and tax law as needed, ensuring ongoing compliance and accuracy. Tight’s API, for instance, is regularly updated to reflect the latest legal requirements, minimizing business risk and keeping all financial reporting current without requiring manual adjustments.
How does Tight's Expense Tracking API handle data accuracy and error correction?
Our API ensures accuracy through sophisticated validation algorithms and error-checking mechanisms. It automatically identifies discrepancies and anomalies in expense entries and offers suggestions to correct them. Additionally, it provides tools for manual review and modification, ensuring you can maintain precise financial records for your customers.
Is Tight's Expense Tracking API scalable for growing businesses?
Yes, our API is designed to be highly scalable, accommodating your and your customers’ growing business needs. It can handle increasing volumes of financial data and transactions efficiently, ensuring your platform can scale without compromising performance or reliability. This makes it an ideal solution for businesses planning long-term growth and expansion.
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