Zukko Blog
Guides to Claude Code, Cursor, Codex and the Claude and GPT APIs: setup, token savings and troubleshooting.
Do you need a VPN for the Claude and GPT APIs
2 min · · access
A VPN solves the wrong problem. What is blocked is the payment, not the address — and your exit IP does not change that.
How to pay for the Claude API from Russia in 2026
3 min · · payments
Anthropic does not accept cards issued by Russian banks. Three routes that work, with the honest caveats for each.