transloadit_caption_video
ChatGPTTranscribe the speech in videos and burn plain captions into each original video. Returns the captioned video and its SRT captions. Fields set the caption font_size (default 16), position, font_color and border_color. The automatic provider detects the spoken language; target_language (such as french) hints it, and source_language (default en-US) sets it for provider aws or gcp. Captions are never translated. Pass the Builtin’s parameters under fields. Provide inputs as attachments (files shared in the chat), files (public URLs or small base64 payloads) or expected_uploads (files that exist only locally or in a sandbox; the result returns an upload_instructions curl command per file). Set wait_for_completion to wait up to a server budget (45 seconds by default). Returns the Assembly with its result files; running: true means it is still processing.
transloadit_capture_webpage
ChatGPTCapture a public HTTP(S) webpage (url) or an uploaded HTML file as a PNG, JPEG or PDF. Returns one image or PDF per captured page. Defaults to a full-page PNG 1024 pixels wide; set fullpage to false for a fixed width × height viewport, and use delay or wait_until for late-loading pages. A url takes precedence over uploaded HTML. No custom headers, credentials or browser actions are sent. Pass the Builtin’s parameters under fields. Provide inputs as attachments (files shared in the chat), files (public URLs or small base64 payloads) or expected_uploads (files that exist only locally or in a sandbox; the result returns an upload_instructions curl command per file). Set wait_for_completion to wait up to a server budget (45 seconds by default). Returns the Assembly with its result files; running: true means it is still processing.
transloadit_convert_to_pdf
ChatGPTConvert Office documents, HTML, Markdown and plain text files to PDF. Returns one PDF per input. Fields set the paper size (pdf_format, default Letter), pdf_margin, background printing, and the Markdown flavor and theme. Paper and margin fields apply to HTML and Markdown; Office and text files keep the converter’s native layout. Pass the Builtin’s parameters under fields. Provide inputs as attachments (files shared in the chat), files (public URLs or small base64 payloads) or expected_uploads (files that exist only locally or in a sandbox; the result returns an upload_instructions curl command per file). Set wait_for_completion to wait up to a server budget (45 seconds by default). Returns the Assembly with its result files; running: true means it is still processing.
transloadit_create_assembly
ChatGPTCreate or resume an Assembly, optionally uploading files and waiting for completion. Files attached in the chat arrive under attachments; public URLs and small base64 payloads go under files. If a file exists only locally or in your sandbox, set expected_uploads, run each upload_instructions curl command there (it needs outbound HTTPS to Transloadit), then call transloadit_wait_for_assembly.
transloadit_encode_video
ChatGPTEncode videos for web playback with an MP4 or WebM preset. Returns one encoded video per input. Defaults to the 720p MP4 preset with turbo encoding; width or height override that preset dimension. Output size depends on the source and preset. Pass the Builtin’s parameters under fields. Provide inputs as attachments (files shared in the chat), files (public URLs or small base64 payloads) or expected_uploads (files that exist only locally or in a sandbox; the result returns an upload_instructions curl command per file). Set wait_for_completion to wait up to a server budget (45 seconds by default). Returns the Assembly with its result files; running: true means it is still processing.
transloadit_get_assembly_status
ChatGPTFetch the latest Assembly status by URL or ID.
transloadit_get_profile
ChatGPTReturns a stable identifier and name for the Transloadit Workspace behind the current credentials, so hosts can tell connected accounts apart.
transloadit_get_robot_help
ChatGPTReturns a Robot summary and parameter details.
transloadit_lint_assembly_instructions
ChatGPTLint Assembly Instructions without creating an Assembly. Returns structured issues.
transloadit_list_robots
ChatGPTReturns a filtered list of Robots with short summaries.
transloadit_list_templates
ChatGPTList Assembly Templates (owned and/or builtin). Tip: pass include_builtin: "exclusively-latest" to list builtins only.
transloadit_prepare_image
ChatGPTPrepare images for a website: auto-orient, fit within 1600×1600 pixels without enlarging, encode as WebP at quality 75, strip metadata and keep transparency. Returns one image per input. Fields set width and height (w, h), format (f), quality (q), resize strategy (r), background color (bg) and metadata stripping (strip). JPEG output needs an opaque background. Pass the Builtin’s parameters under fields. Provide inputs as attachments (files shared in the chat), files (public URLs or small base64 payloads) or expected_uploads (files that exist only locally or in a sandbox; the result returns an upload_instructions curl command per file). Set wait_for_completion to wait up to a server budget (45 seconds by default). Returns the Assembly with its result files; running: true means it is still processing.
transloadit_remove_background
ChatGPTRemove the background from photos. Returns the foreground of each image as a transparent PNG. Fields set the provider (automatic by default); only provider transloadit also allows GIF or WebP output, or keeping the background instead of the foreground. Pass the Builtin’s parameters under fields. Provide inputs as attachments (files shared in the chat), files (public URLs or small base64 payloads) or expected_uploads (files that exist only locally or in a sandbox; the result returns an upload_instructions curl command per file). Set wait_for_completion to wait up to a server budget (45 seconds by default). Returns the Assembly with its result files; running: true means it is still processing.
transloadit_transcribe
ChatGPTTranscribe the speech in audio or video files. Returns one transcript per input as timestamped JSON (default), plain text, SRT or WebVTT. The automatic provider detects the spoken language; target_language (such as french) hints it, and source_language (default en-US) sets it for provider aws or gcp. Transcripts are never translated. Pass the Builtin’s parameters under fields. Provide inputs as attachments (files shared in the chat), files (public URLs or small base64 payloads) or expected_uploads (files that exist only locally or in a sandbox; the result returns an upload_instructions curl command per file). Set wait_for_completion to wait up to a server budget (45 seconds by default). Returns the Assembly with its result files; running: true means it is still processing.
transloadit_video_covers
ChatGPTExtract cover images from videos. Returns 8 JPEG frames per video by default, taken at regular intervals, or frames at exact offsets in seconds or percentages. Set smart to true to have AI scoring pick the strongest count frames from up to three candidates per frame, capped by smart_max_candidates but never fewer than count. Fields also set format (JPEG or PNG), width and height, which default to the video’s dimensions. Pass the Builtin’s parameters under fields. Provide inputs as attachments (files shared in the chat), files (public URLs or small base64 payloads) or expected_uploads (files that exist only locally or in a sandbox; the result returns an upload_instructions curl command per file). Set wait_for_completion to wait up to a server budget (45 seconds by default). Returns the Assembly with its result files; running: true means it is still processing.
transloadit_wait_for_assembly
ChatGPTPolls until the Assembly completes or timeout is reached.
