Dispatch
v0 pipes every Snowflake call through a TLS-terminating proxy so generated code never touches the OAuth token
Vercel published the architecture behind v0's Snowflake integration: the sandbox firewall forwards requests to a v0 proxy using a certificate authority unique to each sandbox, so the proxy can read the traffic, verify the sandbox's OIDC token, resolve the chat session, and fetch a fresh credential server-side. Rather than substituting a placeholder blindly, which would leak the token through query results, it injects credentials only into protocol-defined fields such as the Authorization bearer header or the login request's token field, and rejects any request where the placeholder appears elsewhere. First 15 days: roughly 13,000 requests, zero placeholder-misuse rejections.
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