Contact

Get in touch with OT4J. We aim to respond within one business day (Mon–Fri, Prague time).

Customer support

For account, billing, technical issues.

Response within 1 business day. Reference your company name and the issue.

Pricing questions, Enterprise quotes, partnerships.

Tell us about your stack and rough scale and we'll come back with a proposal.

Data-subject requests, DPA signatures, sub-processor lists.

Report a vulnerability responsibly.

Please give us reasonable time to remediate before public disclosure.

Legal entity: INDIVIDUAL STARTUP s.r.o.
Registered office: Rybná 716/24, Staré Město,
110 00 Praha 1, Czech Republic
Company ID (IČO): 08949671
VAT ID (DIČ): CZ08949671
Data box (datová schránka): mrrrt2
Director: Ing. Miloslav Vlach
Registered with: Commercial Register, Municipal Court in Prague

Prefer paper mail? Send to the registered office above.