Implement SumUp checkout flows end-to-end. Use when writing or reviewing SumUp Checkouts API calls, Card Widget mounts, Hosted Checkout setup, recurring tokenization, Terminal SDK / Cloud API reader checkouts, or 3DS / webhook handling.
Install
npx skills add sumup/sumup-skills --skill sumupnpx skills add sumup/sumup-skills --skill sumup -a claude-code -gnpx skills add sumup/sumup-skills --skill sumup -a codex -ggemini skills install https://github.com/sumup/sumup-skills.git --path skills/sumupgh skill install sumup/sumup-skills sumupgit clone --depth 1 https://github.com/sumup/sumup-skills /tmp/sumup__sumup-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/sumup__sumup-skills/skills/sumup ~/.claude/skills/sumup # Claude Code
cp -R /tmp/sumup__sumup-skills/skills/sumup ~/.agents/skills/sumup # Codex, Cursor, Gemini CLI, Copilot, OpenCode