Changelog

September 14, 2026

v2.2.0 — Auto-export after a workflow run

Workflow start requests can now render an MP4 before the run is marked succeeded. Set autoExport: true (REST and SDK default is still false). MCP workflow tools default autoExport to true. Zapier, Make, n8n, and Pipedream always auto-export (the field is not shown) and wait until the MP4 is ready. When auto-export is on, wait until status is succeeded and use downloadUrl. Remix actions on the same start request finish before that export.

Added

  • autoExport and exportOptions on workflow starts: All five workflow start bodies accept autoExport and optional exportOptions (same shape as POST /v1/projects/{projectId}/export). Omitted export fields use the same defaults as a standalone export.
  • Export fields on WorkflowRun and workflow_run.* webhooks: exportId, downloadUrl, downloadUrlExpiresAt, exportFileId, thumbnailUrl, and thumbnailUrlExpiresAt are always present. They are null until an auto-export succeeds.
  • MCP default: Workflow tools (script_to_video, voiceover_to_video, slideshow_to_video, storyboard_to_video, prompt_to_video_clip) default autoExport to true. Pass false only if you will remix and export yourself.
  • Zapier, Make, n8n, and Pipedream: Auto-export is always on. Each action waits until the run succeeds, then returns projectId, projectUrl, downloadUrl, and thumbnailUrl.

Fixed

  • File upload: POST /v1/files/upload no longer errors before the upload URL is issued. SDK createFileUpload and MCP create_file_upload / upload_file are the same.
  • Workflow aspectRatio: Script-to-video, voiceover-to-video, slideshow-to-video, storyboard-to-video, and prompt-to-video-clip apply the aspectRatio you send (including 9:16) to the generated project. GET /v1/projects/{projectId} returns that ratio.
  • Video clip generation: POST /v1/tools/generate-video-clip and storyboard scene clips are less likely to fail when a generation job is retried.