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Unlock seamless integration with our APIs and bookkeeping integrations. Simplify workflows, ensure accuracy and compliance, and optimize financial processes. Explore our Developer Portal to customize software integration and create a connected ecosystem. Elevate your business with smooth integration.

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Streamlined workflows

Effortlessly connect your systems and streamline your workflows, eliminating manual data entry and saving valuable time and resources.

Accuracy and compliance

Ensure accuracy and compliance in your financial processes with our VAT, IBAN, and TRN validators, avoiding errors and potential issues.

Enhanced efficiency

Maximize efficiency across your organization by easily exchanging data between your systems and external platforms using our connectors, eliminating data silos.

Customizable integration

Our Developer Portal provides a comprehensive set of tools and resources to facilitate smooth access and communication between applications.

Customer success stories

We help businesses like yours achieve their goals

Wolters Kluwer Belgium works together with Unifiedpost Group and improved their invoicing process.
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Discover the case of TotalEnergies Belgium and how they streamlined their invoices and reminders
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Discover the case of Ferm Kinderopvang and how they simplified payments and increased customer satisfaction
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Discover the case of Renewi and how they streamlined sales invoices, delivery and payments
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API Integrations

Unlock the power of our APIs for seamless integration. At Unifiedpost, we believe in creating smart financial ecosystems that empower businesses to thrive. Our API library offers a wide range of APIs and services designed to support your integration needs. With our APIs, you can effortlessly connect your systems to streamline your invoice and document management processes.

Effortlessly connect your systems with our Billtobox APIs for smooth and automated invoice and document management.
Streamline workflows, eliminate manual data entry, and save time with our APIs.
Ensure accuracy, compliance, and increased efficiency in your financial processes.
Add an extra layer of reliability to your financial data with our VAT, IBAN, and TRN validators.
Guarantee accurate and compliant information, avoiding errors and potential issues.
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Bookkeeping integrations

Link your bookkeeping software to our solutions effortlessly. Our platform seamlessly integrates with a wide range of accounting packages, allowing you to continue using the software that best suits your office's needs.

Whatever you prefer, we've got you covered. Our goal is to provide you with a unified experience, eliminating the need for manual data entry and ensuring accurate and up-to-date financial records. Streamline your financial processes with ease and enjoy a seamless integration between your bookkeeping software and our solutions.

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Discover our Developer Portal, where software integration becomes effortless. We understand the importance of flexibility and customization for businesses, which is why we provide a comprehensive set of tools and resources to facilitate smooth access and communication between applications. With our REST APIs, you can seamlessly integrate your software with our solutions, unlocking a world of possibilities.

Explore our API library

Discover resources in our API Library to guide you through integration. Our Developer Portal provides documentation, samples & tutorials. Easy integration awaits.

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Create, manage, and monitor

Control projects and monitor API performance with our user-friendly interface & dashboard. Put yourself in the driver's seat for a smooth integration experience.

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Stay connected with webhooks

Get notifications about changes in app data sets. Keep software up-to-date and responsive with real-time updates for a seamless user experience.

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Powerful possibilities await

Support you in simplifying bookkeeping. Streamline financial workflows. Customize software integration. Enhance and extend software for your business.

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Unlock the potential of our integrations

Create a truly connected and optimized ecosystem. Simplify your workflows, improve accuracy, and save valuable time and resources. Let us help you unleash the power of seamless integration and elevate your business to new heights.

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A summary

Get to know all our solutions

Purchase invoices

Manage from one central platform
Match PO to invoices
Automated approval flows
Supplier onboarding
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QR Codes
Payment buttons
POS Terminal
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Tax Compliance
Trusted & Certified
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Sign document digitally
Send registered mail electronically
Compose documents & communications
Archive documents & data digitally
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Sales invoices

Send to any channel
Enable easy payments
Trusted network
Customer onboarding
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Tell us your business needs, and we’ll find the perfect solution

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