Electronic Invoicing API Greece for ERP & Software Companies
e-timologiera provides a fully documented REST API for direct integration of ERP systems, commercial applications, and business software with an AADE-certified Electronic Invoicing Provider in Greece.
Our goal is to enable software companies to integrate electronic invoicing functionality into their applications quickly, securely, and without risk.
What the e-timologiera API Offers
Document transmission via an AADE-certified provider
Automated handling of myDATA, M.A.R.K. & QR Code
Document authentication
Error handling & automatic retries
Sandbox & testing environment
Dedicated technical support for developers
The e-timologiera API is designed according to modern REST architecture principles and supports secure authentication, comprehensive event logging, and advanced retry mechanisms, ensuring high availability and stability in production environments.
Typical ERP–Provider Integration Flow
- The ERP invoicing system generates the document
- The e-timologiera API performs validation & transmission
- The Greek Tax Authority (AADE) returns the M.A.R.K. & QR Code
- The ERP system receives the final confirmation
Swagger & Technical Documentation
The complete technical documentation and Swagger UI provide all available endpoints, request/response examples, and implementation guidelines.
Why Software Companies Choose e-timologiera
- AADE-certified provider
Standardized electronic invoice format
Full compliance with 2026 regulations
Fast ERP integration
Dedicated developer support
Our team supports software companies throughout every stage of the implementation process — from initial analysis and proof of concept to production deployment and post–go-live support.
For details regarding data security, infrastructure, and business continuity of the platform, please visit the Security & Infrastructure page..
Technical support and SLAs are described in detail on the Support & SLA page.
For an overall view of the service infrastructure and philosophy, please visit the“Why e-timologiera” page.