Individual skill
venice-auth
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 between the two modes.
skills/venice-auth/SKILL.md
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- Nov 5, 2026
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# Venice Authentication
Venice declares two auth schemes in its OpenAPI spec: `BearerAuth` (API key) and `siwx` (x402 wallet). Inference endpoints accept either; account endpoints need a key; discovery endpoints need nothing.
## Use when
- You're making your first call to `api.venice.ai`.
- You're building a server-side integration (usually Bearer) or an agent / no-account wallet flow (x402).
- You hit `401` / `402` and need to check header format.
- You're implementing SIWE / Solana signing manually instead of using the SDK.
## Which endpoints accept what
| Endpoints | Bearer key | SIWX wallet |