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Submit exactly four JPEG, PNG, or WebP images in this order: front → side-left → rear → side-right. Each image can contain up to 20 MiB and 40 megapixels. Keep the vehicle, framing, lighting, and background consistent. You can apply render.background to your source views first. Upload each image with POST /v1/uploads, then submit its reference in the same order to POST /v1/render/360:
Use your actual upload references. You can also repeat the images field four times in a multipart request, in that same order. Through MCP, provide four ordered input_refs or urls and place endpoint options in params. MiniMax H3 Max Turbo on fal.ai generates four parallel one-second transitions: front → left → rear → right → front. Each transition can run approximately 0.7 seconds longer. CarHub samples its actual duration and returns images only. It does not export an MP4. Review the generated views for vehicle fidelity and rotation consistency before publication. Choose 24, 36 (the default), or 72 frames, in jpg or webp format. Both provider: "auto" and provider: "fal" select fal.ai. The retired kling, replicate, and interpolate providers are rejected. This endpoint returns an asynchronous job. Poll GET /v1/jobs/{id} or use a webhook; wait=true is unsupported. Existing beta access and pricing apply. Failed jobs release their credit reservation. Test keys return sandbox fixtures without contacting the generation provider. The result contains frames, frame_count, and viewer_url. Frames appear in ascending angle order from 0° toward 360°, with no duplicate 360° boundary. Each frame contains an angle and an image asset with its signed URL, expiration, format, dimensions, and byte size. Download the images before their URLs expire. In the Playground, move the Spin angle slider to inspect them. viewer: true returns a hosted viewer URL only when a viewer has been provisioned. Otherwise viewer_url is null. You can use the frame images in your own spin viewer.