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Venice is a privacy-focused OpenAI-compatible AI API for text, image, audio, video, embeddings, and web/search tools. The plugin uses normal HTTPS requests for inference, and uses Base MCP for wallet-authenticated x402 sign-in and USDC top-ups on Base. Chain: Base mainnet for x402 wallet funding. Operations: model discovery, chat or response inference, image generation, API-key calls, SIWX wallet auth, x402 balance checks, transaction history, and USDC top-ups.
SIWE/SIWX and paid calls. Venice can use a user-provided API key or a Base-wallet x402 path. The wallet path signs an exact message with Base MCP sign; paid top-ups are irreversible and should match the latest Venice payment requirement.

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Try it

Private summary
Use Venice to summarize this with a private model
Top up
Top up my Venice x402 balance with 5 USDC on Base
Image
Generate an image with Venice using a cinematic style

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Pattern

Normal API-key inference does not use a Base MCP submission tool. The assistant sends HTTPS requests to Venice with the bearer token. For x402 wallet auth, Base MCP sign signs the exact SIWX/SIWE message, and the assistant sends the resulting base64 payload in SIGN-IN-WITH-X. For x402 top-ups, the assistant asks Venice for the current payment requirement, selects the Base USDC option, pays through the Base MCP x402 tool catalog, and verifies the balance after approval.

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Reference

Full plugin spec on GitHub

Auth paths, SIWX header construction, model endpoints, x402 top-up flow, and privacy handling.