Company
Last updated: 2026-10-22. The operator of Bot403 ("the operator", "we") is Zahary Stoyanov Labs, Sofia, Bulgaria. Contact: [email protected].
Imprint
- Operator
- Zahary Stoyanov Labs
- Address
- Sofia, Bulgaria
- [email protected]
- VAT or register number
- BG206864893
- Hosting
- Contabo GmbH, Germany
What Bot403 is
Bot403 issues proof-of-work challenges to browsers and checks the answers for the account owner's server. One person operates it: Zahary Stoyanov.
Other pages
- Terms: what you and the operator agree to.
- Privacy: what data the service processes and why.
- Data processing agreement: for customers who need one under Article 28 GDPR.
- Sub-processors: who else touches the data.
- Abuse: what is banned and how to report it.
- Security: how the service is protected.