Zukko Blog
Guides to Claude Code, Cursor, Codex and the Claude and GPT APIs: setup, token savings and troubleshooting.
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.
What the Claude API really costs
3 min · · pricing
A rate per million tokens means nothing until you know your own workload. Here is how to actually estimate it.
Hitting Claude usage limits: what to do
3 min · · limits
The quota runs out mid-week and money cannot buy your way past it. Why the cap exists and what the alternatives actually cost.