🧾How to Connect Your ERP to an Electronic Invoicing Provider via API
Mandatory electronic invoicing and integration with myDATA have made it necessary for ERP systems to connect to a certified Electronic Invoicing Provider via a modern API. In this guide, you will see how to implement the integration correctly and what key aspects you need to consider.
The mandatory adoption of electronic invoicing is analyzed in detail in the complete Electronic Invoicing 2026 Guide.
Why API-Based Integration Is Required
API integration:
• Eliminates manual processes
• Ensures tax compliance
• Enables real-time transmission to myDATA
• Reduces errors and operational costs
What a Modern Electronic Invoicing API Offers
A reliable electronic invoicing provider API should support:
• Secure authentication
• Sending and receiving documents
• Validation checks
• Retrieval of M.A.R.K. and QR Code
• Error handling and management
How e-timologiera Simplifies Electronic Invoicing
e-timologiera provides a complete REST API for direct integration with ERP and commercial systems, supporting all myDATA workflows.
👉 Learn more on the page:
Electronic Invoicing Provider
Common Mistakes to Avoid
- Lack of validation checks
- Failure to handle failed transmissions
- Delayed transmission to myDATA
For IT Companies & Software Houses
IT companies developing ERP, commercial applications, and business systems are now required to integrate mandatory electronic invoicing and myDATA transmission into their solutions.
e-timologiera provides a fully documented API, technical support, and a sandbox testing environment, enabling software companies to offer certified electronic invoicing to their customers quickly and without added complexity.
Partnering with a certified electronic invoicing provider allows IT companies to:
• Reduce development time
• Accelerate the go-to-market of their applications
• Ensure full compliance with the Greek Tax Authority (AADE) and myDATA
👉 For developers & ERP Software :