Invoice Issuing System
This project focused on transforming a manual, Excel-based payment invoice issuing and approval process into a fully digitalized workflow using the Joget low-code platform.
The solution streamlined invoice creation, approval routing, document handling, and SAP posting by integrating Joget with SAP through Boomi APIs. The resulting system significantly reduced processing time, minimized errors, and improved overall efficiency for the finance and accounting teams.
Client Overview
A joint venture between the Tokyo Electric Power Group and the Chubu Electric
Power Group that provides Japan with globally competitive energy. It is Japan’s largest thermal power generation company, with a maximum output of 61.0GW, which is 36.9% of the country’s total thermal power generation capacity. it operates the entire supply chain, from fuel procurement to power generation.
Technical Stack
Industry
Energy
Region
Japan
Project-size
Non-Disclosable
Company size
Large scale company
Implementation Highlights
Developed a centralized Invoice Issuing Application replacing Excel-based invoice creation and email-based approvals.
Integrated real-time SAP data retrieval—including posting keys, PO details, supplier information, and invoice attachments.
Built a user-friendly approval interface displaying all relevant invoice details on a single screen.
Implemented structured approval hierarchies with dynamic routing based on user selections and business rules.
Automated invoice document emailing and approval notifications, removing manual email preparation.
Connected Joget with SAP via Boomi API integration, enabling automated invoice posting after approval.
Challenges & Solutions
Accountants manually created invoices in Excel, risking errors and inconsistencies.
Solution: Introduced digital forms with validation and automated data population through SAP integration.
Users manually prepared emails and attachments; approval emails often bounced or got misplaced.
Solution: Automated email generation and routed approvals through Joget’s workflow engine with tracking.
High risk of missing, mismatched, or inconsistent documents when using email threads.
Solution: Centralized digital library where invoice copies, POs, and attachments are stored and accessed within the application.
Approvals varied based on approver selection and business-specific rules.
Solution: Configured dynamic routing logic inside Joget, ensuring correct workflow assignment every time.
Once approved, the finance team manually posted invoices into SAP, causing delays.
Solution: Automated posting using Boomi API integration after final approval.
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Results & Impact
- 70–90% reduction in time required to issue and approve invoices.
- Eliminated manual email preparation, significantly reducing delays and document errors.
- Strengthened financial controls via well-defined approval layers.
- Improved data accuracy and compliance through digital validation and structured workflows.
- Enhanced transparency with real-time invoice status tracking and centralized document access.
- Increased productivity, enabling finance teams to focus on strategic tasks rather than repetitive data entry.
Key Learnings & Next Steps
- Low-code platforms like Joget streamline complex financial workflows by centralizing invoice data, improving approval accuracy, and reducing manual effort through SAP–Boomi integration, while clear workflow rules help minimize errors and strengthen governance.
- Introducing automated reminders, extending support to credit/debit notes and recurring invoices, and integrating AI Tools to automate the Process.
