This article is a contribution from our partner, Embat

As finance temas evolve from manual, file-based operations to real-time data-driven environments, one technology is quietly reshaping the backbone of financial connectivity: APIs (Application Programming Interfaces). For years, finance teams have been forced to rely on SWIFT files, SFTP servers, and nightly batch updates. Today, APIs are enabling instant access to cash positions, real-time payment execution, and seamless data flows between systems. The result? Faster decision-making, better control, and radically improved operational efficiency.

But what does it actually mean to “connect your TMS to your ERP and your banks via API”? In this article, we’ll break down the API building blocks of a modern treasury stack, explain how to integrate them, and share a real-world example of what this looks like in action.

What are APIs and why do they matter for treasury?

APIs are software interfaces that allow different systems to “talk” to each other in real time. Think of them as the pipes that connect your treasury plumbing: your ERP (where transactions originate), your TMS (where liquidity and risk are managed), and your banks (where cash is held and moved). Instead of uploading files or sending emails, APIs enable direct, instant communication between these systems.

In treasury, this means:

• Pulling live account balances from banks into your TMS
• Initiating payments directly from your ERP
• Receiving real-time status updates on FX trades
• Automating bank reconciliation and cash forecasting

APIs reduce manual errors, enhance visibility, and provide agility in responding to market changes — all of which are critical in today’s volatile financial environment.

Building blocks of the API-driven treasury

To understand API integration, let’s break the treasury tech stack into three parts:

1. ERP (Enterprise Resource Planning)

This is your accounting system — SAP, Oracle, Microsoft Dynamics, Netsuite , etc. — where invoices, payroll, and vendor payments originate.

2. TMS (Treasury Management System)

This is the control tower for treasury. It manages cash flow forecasting, FX risk, intercompany loans, and bank account visibility.

3. Banks and Financial Institutions

These are your cash custodians. Banks offer APIs for balance reporting, payment execution, transaction notifications, and FX services.

APIs connect these three layers, enabling a seamless data exchange between operational finance (ERP), strategic decision-making (TMS), and execution (banks).

How to Integrate: TMS ↔ ERP ↔ Bank

A typical API integration follows this flow:

Step 1: ERP to TMS

Your ERP sends payment proposals, forecasted cash flows, and invoice data to your TMS via API. This helps the TMS consolidate positions and project liquidity across time horizons.

Step 2: TMS to Bank

The TMS sends validated and approved payments, FX deals, or sweeping instructions to your bank via its corporate API. Banks respond instantly with confirmations, reference numbers, or error messages.

Step 3: Bank to TMS (and ERP)

Your TMS receives real-time balance and transaction data from each bank account via API. This data can also be passed to the ERP for reconciliation and reporting purposes.

Together, this closed loop allows treasurers to manage cash, risk, and payments from a single interface — without ever exporting a file.

Security & Compliance Considerations

When integrating APIs in treasury, data protection and access control are essential. Key areas to focus on:

• Authentication: Use secure methods like OAuth2 or mutual TLS to control access.
• Consent & Access Rights: PSD2 APIs require explicit user consent; corporate APIs use predefined credentials with scope limits.
• Data Privacy: Ensure compliance with GDPR and other data regulations — both in transit and at rest.
• Auditability: Maintain logs of all API activity for transparency and internal control.
• Cybersecurity: Coordinate with IT and InfoSec teams to assess API endpoints and enforce secure integration standards.

In short, treat APIs like opening a digital vault: only the right people and systems should ever get the key.

Best Practices for API-Driven Treasury Projects

Implementing API integrations doesn’t have to be a chaotic and complex project. Follow these principles for a smooth rollout:

• Start with a focused use case: E.g., retrieving daily bank balances from 10 banks, or automating payroll execution via ERP.
• Choose API-native vendors: Ensure your TMS and ERP can natively support open API standards (like REST and JSON).
• Modular rollouts: Tackle one process at a time — e.g., start with balances, then move to payments and reconciliation.
• Collaborate cross-functionally: Involve treasury, IT, InfoSec, and compliance early to align expectations and responsibilities.

Real-World Example: Embat + ERP + Banks

A European technology company using Embat’s TMS integrated its ERP (Netsuite) and two main banking partners via API. The project enabled the following:

• Automated daily balance retrieval across 12 accounts via BNP Paribas and Citi APIs
• Direct payment execution from Netsuite through Embat to bank APIs with real-time status updates
• Cash flow forecasting enriched by ERP data on payables and receivables, updated hourly

The result: 90% fewer reconciliation errors, cash visibility by 9:00am every day, and real-time FX rate validation before settlement. What used to take hours and emails now happens automatically, every day.

Conclusion

APIs are no longer a buzzword — they are the foundation of a modern treasury infrastructure. By connecting your TMS, ERP, and banks through APIs, you enable faster, smarter, and more secure treasury operations. Whether you’re a multinational or a fast-scaling startup, building an API-first treasury stack is the next logical step toward efficiency, agility, and control.

Now is the time to assess your systems, talk to your banks, and start building the infrastructure of tomorrow — today.

Also Read

• The role of automation in the month-end close
• Financial planning for changing economic cycles
• AI Lag in the Mid-Market: Stop Waiting for ‘Big AI’ and Start Automating Cash Management Now
• Visibility and Governance: How to Prove Compliance When AI Decides
• How Companies Can Lose Tens of Millions Without Being “Cash Constrained”
• FinTech Interview with Theo Wasserberg, Head of UK&I at Embat

Join our Treasury Community

Treasury Masterminds is a community of professionals working in treasury management or those interested in learning more about various topics related to treasury management, including cash management, foreign exchange management, and payments. To register and connect with Treasury professionals, click the button below.

This article is a contribution from our partner, Embat

We typically associate month-end close with a tedious, resource-intensive, error-prone process. It’s arguably the most “stressful” task for the finance team, repeated every single month without exception.

In this context, automation stands out as a key solution, not only by shortening the closing timeline but by delivering a better-quality close.

The main goal is to free up time from repetitive tasks, enabling the finance team to focus on higher-value work, such as data analysis that drives better organisational decisions.

It’s about avoiding the tendency to prioritise speed over quality—a common cause of human error, an area where automation can significantly reduce mistakes.

Transitioning from manual processes to automated workflows

At the same time, moving from manual processes to automated workflows tends to eliminate redundancies, for example in bank statement reconciliations or in classifying and posting invoices to generate corresponding journal entries.

It also improves transparency.

Automation enhances transparency, since every operation is logged and traceable in a precise and secure manner, improving information quality and enabling better decision-making not only in finance but across the entire organisation.

However, integrating automation is a critical process that goes beyond technology alone and requires organisational and cultural priorities.

Importance of data quality and change management

Everything starts with data quality. No automation, no matter the technology solution chosen, can produce reliable information if the underlying data is flawed.

The first step is improving critical processes.

That’s why the first step is to improve critical processes and establish controls to ensure high-quality data is entered into the system.

Cultural resistance within the finance team is often the main challenge. Fear of changing the current situation and the worry about being replaced by a “machine” can become the biggest obstacle to change—this is not about technology but about managing people.

It’s essential to understand these concerns and needs, as this shift requires acquiring new skills and adapting traditional roles within the team.

Training, adaptation and the evolving finance role

A lack of adequate training can cause any automation initiative to fail, investing in training and communication essential so that finance team members can understand and embrace the benefits of change.

In other words, technology on its own isn’t enough. Work must first be done on redesigning processes, training teams, and above all aligning expectations with existing resources.

In this way, automation itself is pushing the finance function toward a different model, with real-time information and the ability to make far more reliable forecasts about what may happen.

This means moving from a management approach focused mainly on the past to one centred on the present, with the ability to visualise and “interact” with the future—a new way of understanding financial management.

In short, streamlining the month-end close will move from being a competitive advantage to an absolute requirement. The adoption of new technologies, such as generative AI, will accelerate this change even further, removing the need to “pause” routine finance activities to handle month-end tasks.

Ultimately, this is one more step in redefining the finance function—and the CFO’s role—from operational manager and executor to a more strategic partner delivering greater organisational value.

Also Read

• API-Driven Treasury: How to integrate your TMS with ERPs and Banks
• Financial planning for changing economic cycles
• AI Lag in the Mid-Market: Stop Waiting for ‘Big AI’ and Start Automating Cash Management Now
• Visibility and Governance: How to Prove Compliance When AI Decides
• How Companies Can Lose Tens of Millions Without Being “Cash Constrained”
• FinTech Interview with Theo Wasserberg, Head of UK&I at Embat
• Finance Automation Is Having Its Sourdough Starter Moment
• From ledgers to the cloud: the evolution of treasury management systems
• Working capital in service of shareholder value
• Counterparty Management: Automating Payments and Collections

Join our Treasury Community

Treasury Masterminds is a community of professionals working in treasury management or those interested in learning more about various topics related to treasury management, including cash management, foreign exchange management, and payments. To register and connect with Treasury professionals, click the button below.

This article is a contribution from our partner, Embat

Economic cycles are marked by periods of expansion followed by contraction, repeating over time. While their occurrence is well known, it remains difficult to predict their exact duration and intensity.

The ability to anticipate is a critical advantage

Today’s cycles are defined by the speed of change, with direct impacts on company revenues, supply availability, production, employment and more.

This is why organisations that can anticipate and adapt their financial strategies to a new reality gain significant competitive advantages over others.

It’s at this point that the finance team in general, and the CFO in particular, must shift focus from a primarily reactive stance to one that anticipates the start of a new phase in the economic cycle, projecting possible financial scenarios and considering the most impactful risk factors for the business.

Broad vision and flexibility for changing scenarios

This requires a broad perspective on reality, considering aspects beyond purely economic factors.

It’s not about predicting the future with certainty.

In other words, it’s about “understanding the whole film, not just the snapshot” offered by a financial analysis at a given moment.

The ability to anticipate becomes a critical, differentiating advantage—not so much to predict the future precisely, but to gain the flexibility to respond quickly to coming changes.

The companies that adapt best are those that identify shifts before they happen and act with discipline and speed.

Therefore, financial planning must be based on a solid understanding of the current environment, because without that “compass,” any budgeting exercise loses strength as any “unexpected” event can have a major business impact.

Dynamic tools and active liquidity management

That’s why in many situations the “traditional” annual budget loses relevance, making it necessary to adopt more dynamic forecasting methodologies with multiple scenarios and shorter review cycles, allowing financial strategies to adjust without waiting for year-end.

Planning should be a dynamic process.

Financial planning shouldn’t be a static exercise but a dynamic process in which working capital analysis plays a critical role, especially in optimising collection days, renegotiating payment terms and reducing inventory levels.

It’s not about having a perfect plan but about building an organisational culture capable of adapting over time. For this, processes, tools and above all a change-oriented mindset are essential, with planning integrated across the entire organisation.

That’s why planning must not be relegated as an exclusive task of the finance department but must involve general management and operational areas to become a truly useful decision-making tool, not just an accounting exercise.

Never forget that cash is king!

The CFO’s strategic role in changing cycles

Another critical factor is the level of liquidity available when an economic cycle turns, both to manage periods of contraction and to seize investment opportunities during expansions.

When conditions tighten, liquidity can’t be improvised—it must be planned. Ultimately, it’s the best “insurance” against any cycle shift.

Active liquidity management is essential, requiring daily visibility of cash inflows and outflows as well as debt maturities and any contractual obligations.

In this context, the CFO’s role is fundamental—not merely as the keeper of the books, but as the architect of strategy and guardian of treasury, helping define and guide the new roadmap. This evolution cannot be optional.

The CFO must combine technical expertise with strategic business vision, providing cross-functional leadership and a deep understanding of the new macroeconomic environment.

Ultimately, dynamic financial planning in a changing economic environment has become an essential requirement for any business that wants to thrive. While it doesn’t guarantee success, it helps avoid costly mistakes and secure one of the scarcest assets: time.

Also Read

• AI Lag in the Mid-Market: Stop Waiting for ‘Big AI’ and Start Automating Cash Management Now
• Visibility and Governance: How to Prove Compliance When AI Decides
• How Companies Can Lose Tens of Millions Without Being “Cash Constrained”
• FinTech Interview with Theo Wasserberg, Head of UK&I at Embat
• Finance Automation Is Having Its Sourdough Starter Moment
• From ledgers to the cloud: the evolution of treasury management systems
• Working capital in service of shareholder value
• Counterparty Management: Automating Payments and Collections
• 10 Ways to Optimise Your Cash forecasting
• How Embedded Finance is Changing Bank Reconciliation
• Handling Treasury Management in the Digital Era

Join our Treasury Community

Treasury Masterminds is a community of professionals working in treasury management or those interested in learning more about various topics related to treasury management, including cash management, foreign exchange management, and payments. To register and connect with Treasury professionals, click [HERE] or fill out the form below.