e-Expense Voucher Package Live: SAP Integration and Rapid API Onboarding

What is e-Expense Voucher (e-Gider Pusulası)?

The e-Expense Voucher is a legally mandatory document under Article 234 of Turkish Tax Procedure Law No. 213. It is issued when purchasing goods or services from tax-exempt tradespeople or simplified-basis taxpayers. With GIB's digital infrastructure, this process is now fully electronic.

Who Must Issue It?

First and second class merchants (taxpayers keeping balance sheet or business account ledgers)
Simplified-basis taxpayers keeping books
Self-employed professionals required to keep books
Farmers required to keep books

When Is It Issued?

When purchasing goods/services from tax-exempt tradespeople
When purchasing from simplified-basis taxpayers
When making payments to tax-exempt or simplified-basis individuals

e-Expense Voucher Process: Step by Step

TaxTen e-Expense Voucher Package: What's Included?

1. Ready-Made SAP Integration

For SAP ECC and S/4HANA users, pre-configured RFC/IDoc connections for instant integration:

Automatic document creation from SAP MM (Materials Management)
Auto-matching with SAP FI (Financial Accounting) records
SAP SD (Sales & Distribution) integration for procurement flows
Transaction-based or batch submission support
One-click document creation from SAP GUI

Non-SAP ERP systems also supported with ready connectors: Oracle, Microsoft Dynamics, Logo, Netsis, Mikro and more.

2. RESTful API for Instant Integration

If you have your own application or portal, start issuing e-Expense Vouchers with the TaxTen API in minutes — no weeks-long development cycles required.

Why developers choose the TaxTen API:

First document in 5 minutes: Get your API key and issue your first e-Expense Voucher in the sandbox right away. No complex setup steps.
Comprehensive documentation: Detailed API reference with sample code and step-by-step integration guides in both Turkish and English to accelerate your development.
One endpoint, all operations: Document creation, querying, cancellation, and status tracking — all in a clean, consistent RESTful structure.
Real-time webhook notifications: Instantly relay GIB acceptance or rejection status to your application, keeping your users informed without delays.
Sandbox environment: Safely test all your scenarios before going live.

"Integrating TaxTen API into our existing portal took just a few hours. E-document processes that used to take us weeks are now completed with a single API call."

With a 99.9% uptime guarantee and average response times under 200ms, the TaxTen API delivers uninterrupted performance even for high-volume operations. 95% of our customers go live within their first day.

3. Automatic Withholding Calculation

The most complex aspect of e-Expense Vouchers — income tax withholding and VAT reverse charge — is handled automatically by TaxTen.

4. Bulk Operations and Automation

CSV/Excel bulk upload: Create hundreds of documents at once
Scheduled submissions: Automatic document creation at set times
Webhook notifications: Instant GIB acceptance/rejection alerts
Recurring payment templates: Automatic documents for regular payments

Quick Start: Go Live in 3 Steps

1. Application & Activation (Same day) Activate the e-Expense Voucher package from TaxTen portal or our sales team.

2. Integration (1-2 hours) Install the ready connector for SAP or get your API key and start integrating. Test in sandbox.

3. Go Live (Immediately) Tests passed? Switch to production with one click. Your first e-Expense Voucher is submitted to GIB in minutes.

Get Started Today

Our e-Expense Voucher package is now available to all TaxTen customers. Use it alongside your existing e-Invoice or e-Archive package, or independently.

Special migration support and discounted packages available for SAP users.

Start issuing e-Expense Vouchers today with TaxTen API. Visit portal.taxten.com for sandbox access or fill out our application form.