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Can I retrieve PLY files from the API?

The World Labs API currently returns scene geometry in .spz (3D Gaussian Splat) format only. Direct export of .ply files via the API is not supported. For production or large-scale workflows, .spz files should be converted programmatically using existing libraries: For small-scale or one-off use, a hosted web tool is available for ad-hoc conversion: https://spz-to-ply.netlify.app

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How does API billing work?

Billing for the World API is separate from billing for the Marble web app.
  • Credits purchased for the Marble app cannot be used with the API
  • API usage requires credits purchased through the World Labs Platform
If you plan to use the API, make sure you purchase credits on the World Labs Platform, NOT in the Marble app.

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What is the difference between the Marble 0.1-mini and Marble 0.1-plus models? When should I use each?

World Labs offers two model variants for scene generation:
  • Marble 0.1-mini is optimized for speed and cost. It’s best suited for rapid iteration, previews, testing, and large-scale batch jobs where throughput matters more than maximum fidelity.
  • Marble 0.1-plus prioritizes higher visual quality and detail. It’s recommended for final assets, production scenes, and use cases where accuracy and realism are important.
Best practice: Use Marble 0.1-mini during development and experimentation, then switch to Marble 0.1-plus for final or customer-facing outputs.

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Where can I read more about World Labs policies?

Please view our Terms of Service and Privacy Policy for details.