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The AI Studio API is served from https://ai.tuturuuu.com and accepts workspace-scoped ttr_ai_ credentials through the standard bearer header:
The plaintext credential is shown once. Store it in a secret manager and never place it in browser bundles, URLs, logs, or source control.

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OpenAI-compatible endpoints

Requests support stable x-request-id values and the idempotency-key header. Streaming responses use server-sent events. Errors use an OpenAI-compatible error object and include the stable request ID for support correlation. Model access is the intersection of the globally enabled catalog, global Studio defaults, workspace policy, plan or root grants, and the key’s own model restrictions. A model visible elsewhere in Tuturuuu is not necessarily available to a Studio key.

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Native extensions

Tuturuuu-native response metadata reports billed workspace credits, provider cost when permitted, run and trace IDs, token or media units, and timing information. These fields extend the compatible response without changing the standard OpenAI fields. The legacy /api/ai/generate endpoint remains available as a compatibility adapter. New integrations should use the /v1 Studio endpoints.

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Retention and content capture

Metadata logging is enabled by default. Prompt, output, and tool content is captured only when the workspace enables content capture. Use the Studio retention controls to review the active policy before submitting sensitive data.