Contact & Support

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Support Email

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We respond to support requests within 1 business day during business hours (Monday–Friday, 09:00–18:00 CET / Spain).

For urgent issues affecting your ability to use the service, please indicate “URGENT” in your email subject line.

Current support is provided in: English, Russian.


Before You Contact Support

You may find a faster answer in our resources:

  • Help Center: available inside the app — click the Help icon in the navigation bar.
  • Getting started guides: available in the in-app Help Center.
  • QuickBooks Online integration guide: ainventry.com/integrations/quickbooks

Specific Enquiries

Privacy and Data Protection

For questions about how we handle your personal data, to exercise your GDPR data-subject rights (access, erasure, portability, etc.), or to report a privacy concern:

Email: andreidiachenko95@gmail.com
Response time: We respond to privacy and data-subject requests within 30 days as required by GDPR.

Security Vulnerabilities

If you have discovered a potential security vulnerability, please report it responsibly:

Email: andreidiachenko95@gmail.com
We acknowledge security reports within 1 business day and do not pursue legal action against good-faith security researchers. Please include a description of the issue, steps to reproduce, and potential impact.

Legal Notices and Business Enquiries

Andrei Diachenko (autónomo)
Calle Covera 19, 5A
33012 Oviedo, Asturias, Spain
Email for legal notices: andreidiachenko95@gmail.com


Company Information

  • Trading name: ainventry
  • Legal entity: Andrei Diachenko, sole proprietor (autónomo) under the laws of Spain
  • Registered in: Spain — NIF/NIE: Z1579875X
  • VAT / IVA: Spanish autónomo — IVA per Spanish law (NIF Z1579875X)

QuickBooks Online Integration Support

For issues specifically related to the QuickBooks Online connection, please include the following in your support request:

  • A description of the issue (what you expected vs. what happened)
  • The QuickBooks Online company name (do not include your QuickBooks login credentials)
  • Any error messages displayed in ainventry

For issues specific to QuickBooks Online itself (not the ainventry integration), please contact Intuit support directly at quickbooks.intuit.com/support.

Intuit and QuickBooks are registered trademarks of Intuit Inc. Used with permission.