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Generation runs asynchronously. A successful submission means that work has been accepted; the final media may still be processing.

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Follow the existing task

A submission receipt identifies the operation. Save the task identifier and any content identifier returned with it. Model creation has a separate task and readiness check. Use the model’s status flow for training and the generation’s result flow for media creation.

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Interpret the outcome

A terminal outcome means the task has stopped running. It does not necessarily mean that it succeeded. Do not infer success from an identifier, elapsed time, or an intermediate progress value.

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Retrieve your outputs

The MCP generation result flow returns eligible final outputs after the generation finishes. Private results are restricted to their owner. Use the top-level task returned by submission rather than an internal processing task. Output links can expire. Retrieve the same result again to obtain fresh links; an expired download link does not require a new generation. Download the files you need and inspect their dimensions, duration, and content before using them. Watermark behavior can depend on the account and output.

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Keep reads separate from writes

Reading an existing generation’s status does not submit another generation or consume generation credits. A repeated creation call starts a separate operation and can consume credits again. Use the generation workflow for the full sequence, or troubleshooting when the outcome is unclear.