Authenticate to the Venice API with a Bearer API key or with an x402 / SIWX wallet (EVM on Base, including EIP-1271 smart wallets, or Ed25519 on Solana). Covers which endpoints accept which scheme, the SIGN-IN-WITH-X header format, the SIWE and Solana message fields, the enforced TTL / clock-skew / nonce rules, every X402_SIGN_IN_* error code, the venice-x402-client SDK, and how to choose…
Install
npx skills add veniceai/skills --skill venice-authnpx skills add veniceai/skills --skill venice-auth -a claude-code -gnpx skills add veniceai/skills --skill venice-auth -a codex -ggemini skills install https://github.com/veniceai/skills.git --path skills/venice-authgh skill install veniceai/skills venice-authgit clone --depth 1 https://github.com/veniceai/skills /tmp/veniceai__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/veniceai__skills/skills/venice-auth ~/.claude/skills/venice-auth # Claude Code
cp -R /tmp/veniceai__skills/skills/venice-auth ~/.agents/skills/venice-auth # Codex, Cursor, Gemini CLI, Copilot, OpenCode