Terms of Service

1. Acceptance

By creating an account or using the AEAT Sync platform ("Service"), you agree to these Terms of Service. If you do not agree, do not use the Service.

2. Description of Service

AEAT Sync provides a VeriFactu-compliant invoicing engine that:

• Generates and validates invoices according to Spanish AEAT regulations
• Maintains a tamper-proof hash chain for each invoice series
• Signs invoices using your AEAT certificate
• Submits invoices to the Agencia Tributaria (sandbox or production)
• Provides webhook notifications for submission status updates

3. Account Responsibilities

• You must provide accurate company information and a valid NIF
• You are responsible for safeguarding your API key and login credentials
• You must not share your account or allow unauthorized access
• You are responsible for the accuracy and legality of invoices submitted through the Service

4. Compliance Disclaimer

AEAT Sync is a tool to assist with VeriFactu compliance. It does not constitute legal, tax, or accounting advice. You are solely responsible for ensuring your invoicing practices comply with Spanish tax law. We recommend consulting with a qualified accountant or tax advisor.

5. API Usage

• API rate limits apply based on your subscription plan
• You must not use the API for any unlawful purpose
• Automated abuse or attempts to circumvent rate limits may result in account suspension

6. Data Ownership

You retain ownership of all invoice data and business information you submit. We claim no ownership over your content. See our Privacy Policy for details on how we process your data.

7. Service Availability

We aim for high availability but do not guarantee 100% uptime. Scheduled maintenance windows will be communicated in advance. We are not liable for losses caused by temporary service interruptions.

8. Subscription & Billing

• Free (Starter) plans are available with limited monthly invoice submissions
• Paid plans are billed monthly or annually, depending on the plan selected
• You may cancel at any time; access continues until the end of the billing period
• Refunds are not provided for partial billing periods

Full billing details are available on our Payment Terms page.

9. Limitation of Liability

To the maximum extent permitted by law, AEAT Sync shall not be liable for indirect, incidental, or consequential damages arising from your use of the Service, including but not limited to lost revenue, penalties, or fines imposed by tax authorities.

10. Termination

We may suspend or terminate your account if you violate these terms or engage in activities that harm the Service or other users. You may close your account at any time by contacting us.

11. Governing Law

These terms are governed by the laws of Spain. Any disputes shall be submitted to the courts of Madrid.

12. Contact

Questions about these terms? Contact us at [email protected].