Use cases
Worked examples on Sume's catalog Formats and endpoints: product video and photography, try-on, app and product ads, logo animation, and more.
Start with Ready-made Formats for product video: the Sume Format catalog
YouTube watch series button: viewers may land on episode 7 first
A viewer who finds one Short in their feed sees a watch series button, so any episode can be the first they see. Write and render episodes that stand alone.
AI music video generator API: which models take your audio?
Seedance, Wan and MiniMax accept audio references on Sume. Gemini Omni and Kling 3 do not. Limits per model for a music-video workflow.
Turn a voice memo into a narrated short: transcribe, edit, re-voice
Speak your idea into a phone, transcribe it with Sume STT, tidy the text, then re-voice and caption it. The memo becomes the script, not the audio.
Thanksgiving to Cyber Monday ad plan with AI video Formats
Adobe puts Thanksgiving at $6.9B, Black Friday $12.9B and Cyber Monday $15.1B. A four-day content plan using Sume Formats, with a cap on each run.
AI video for a small business promo: cap each Sume run's spend
Small Business Saturday is Nov 28, 2026. Set generation_spend_cap_usd on each Sume Format run so a promo cannot overspend, and read the receipt.
Black Friday video ads for phones: which Sume Formats are vertical
Adobe expects 57.4% of holiday online sales on mobile. Which Sume catalog Formats are described as vertical, and how to ask for vertical in the rest.
YouTube show vs Shorts series: make long-form episodes with Timeline
A Shorts series must be Shorts only, up to 180 seconds. A regular show has no such cap on that page. Render long episodes, up to 30 minutes, with Sume Timeline.
YouTube preferred language setting: keep the source audio clean
YouTube now lets viewers set a preferred language for dubs. If you add your own dub, start from a clean speech track and detach it from the video first.
AI listing video disclosure line: put it in the Sume output schema
Carry the AI disclosure and the original-photos link with each listing video: a typed output_schema field, what input does not carry, and a check.
Serial or non-serial YouTube Shorts show: which should you pick?
YouTube lists non-serial episodes newest first and serial ones oldest first. Pick by whether a viewer can start anywhere, then render episodes in that order.
Replace the voice in a video you shot: detach, transcribe, re-voice
Swap the speech in a finished video on Sume: detach the audio, transcribe it, fix the script, speak it with TTS and render the picture with the new track.
AI video generator for kids: what YouTube says and what to build
Over 200 groups asked YouTube to ban AI videos for kids. What YouTube replied, and how to use Sume for family or classroom clips without chasing views.
AI video generator for real estate: which Sume Format?
Sume's 27 catalog Formats include none for property listings. What to call instead for a listing video, and the disclosure test agents face.
Dub a short into Spanish with an API: detach, transcribe, speak, swap
A Spanish dub on Sume is six jobs you control: detach the audio, transcribe with sentence segments, translate yourself, speak each line, join, and render.
Halloween safety video with an AI avatar for parents and schools
A 21-second three-scene avatar video built from the FDA Halloween tips: costumes, candy and contact lenses. The request body, the cost by tier, and the label.
Add an AI voiceover to a silent video: TTS, then a timeline render
Add a voiceover to a silent clip with Sume: one TTS job for the narration, then one Timeline 1.0 render that lays the audio over your video.
Who approves the render: AI copilot or agent for avatar videos?
Tavus says choose a copilot for irreversible actions. A paid avatar render cannot be undone, so the preview, dry run and spend cap decide who approves.
Real estate listing video with an AI avatar: fair housing script check
Describe the home, not the buyer. A fair housing word check in Python, a listing-photo scene on Sume Avatar 1.0, and the cost of a 45-second listing clip.
Deleting a Shorts episode renumbers the rest: skip burned-in numbers
YouTube renumbers other episodes when you edit or delete one. Keep episode numbers out of rendered pixels, or one deletion means re-rendering a season.
Add Season 2 to a YouTube Shorts show: renumbering and renders
New episodes land in Season 1 by default. How YouTube numbers seasons, what edits renumber, and how to queue Season 2 renders on Sume without a clash.
Product launch teaser video with an AI avatar and your product image
Pass a product_image to a Sume avatar clip and the avatar presents it. The per-second rate rises about 5 percent; a 20-second teaser costs $3.88 at standard.
After-hours greeting video with an AI avatar for a small business
A 10-second avatar clip that tells callers when you reopen and how to book. Script size, request body, price at each tier, and why it must say it is AI.
4:3 slide image at 1024x768 on GPT Image 2.5: legal, and the price
1024x768 is a legal 4:3 box for GPT Image 2.5 (786,432 pixels). About $0.0113 at medium and $0.0451 at high on Sume.
A 30-second vertical ad in one request: Seedance 2.5 or Wan 3.0
Seedance 2.5 (4-30 s) and Wan 3.0 (2-30 s) list 9:16 and 1080p on Sume. sume/auto stops at 10 s, so pin a model for a 30 s clip.
Dub a 12-minute video into 4 languages: STT once, TTS four times
Dubbing a 12-minute video into four languages costs about $1.84 on Sume for transcription and speech, if each script is 9,000 characters. Translation is extra.
Chain two AI clips: last frame in, then first_frame out
To continue a clip on Sume, extract its last frame with video_frames, then send it as first_frame on the next job. It fixes pose and position, not sound.
How long can an AI video be? Shorts 3 min, TikTok ads 10 min
YouTube allows Shorts up to 3 minutes and TikTok non-Spark ads up to 10. A Sume clip is at most 30 s, but Timeline renders up to 1800 s from several clips.
Sume voice languages: the 16 tags to check before you localize
Sume's voice library tags 16 languages: en, ko, ja, zh, es, fr, de, pt, it, hi, nl, pl, ru, sv, tr and tl. Check your market against it before planning a dub.
TikTok ad 500 MB cap and 516 kbps floor: file size by clip length
TikTok's ad page caps files at 500 MB and sets a 516 kbps minimum bitrate. For 15 to 600 seconds that is roughly 1 to 39 MB at the floor.
TikTok ad minimum 540x960: Sume's 1080x1920 default clears it
TikTok's ad page sets minimums of 540x960 (9:16), 960x540 (16:9) and 640x640 (1:1). Timeline renders 1080x1920 by default, and width and height are settable.
TikTok ad safe zones vs burned-in captions: anchor_ratio
TikTok says its safe zone varies with ratio, caption length and format. Sume caption design has an anchor_ratio to move a burned-in line.
TikTok Spark Ads vs standard ad video specs: what to render
TikTok lists .mp4 or .mov and no duration limit for Spark Ads, but 9:16 minimums, 500 MB and up to 10 minutes for non-Spark ads. Sume returns MP4.
What YouTube's Shorts and TikTok's ad pages list, and what they omit
The two help pages I could read list limits unevenly: no codec on either, no file size on YouTube's. Meta and Instagram pages would not load.
YouTube Shorts max out at 1080p: what resolution to request on Sume
YouTube's Shorts page lists a 1080p maximum. Ask Sume for 1080p, not 4K: only Gemini Omni Flash 1.1 offers 4K, and the extra pixels have no Shorts use.
YouTube Shorts up to 3 min: how many Sume clips each model needs
YouTube's Shorts page says up to 3 minutes. One Sume request tops out at 30 s, so a full-length Short is 6 to 18 clips plus a Timeline render.
Live sale replay: three highlight trims, keyframe then exact
Cut three highlights from a live-sale replay under 30 minutes with Sume video-trim: keyframe for a fast first look, exact for the ad, $0.02 per cut.
Video filter: a live replay over 300 seconds needs a trim first
Sume video-filter takes a source of 300 seconds or less and returns output_duration_exceeded above it. Trim the live replay highlight first, then dim or crop.
Scheduling: TikTok 10 days, Meta One stories 30. Clips to render
TikTok schedules posts 15 minutes to 10 days out and locks them; Meta One Advanced schedules stories 30 days out. How many Sume clips to have ready for each.
Meta One Advanced schedules stories 30 days out: render a month first
Meta One's Advanced plan ($49.99 a month) can schedule stories up to 30 days ahead. Render 30 vertical clips in one pass with Sume Timeline for about $3.
Do you need Meta One to post Reels? No: the core stays free
Meta says the core experience stays free. Meta One adds plans from $2.99; creator tiers start at $14.99. What changes for the video files you render with Sume.
Crop to 1:1 and dim a bright studio clip: read ops_applied
White studio clips wash out captions. Sume video-filter crops 16:9 to 1:1 and dims 15 percent in one $0.02 job. Check it free first, then read ops_applied.
Plan a Black Friday spot free: billable minutes and cost in micros
Sume timeline-1.0 plan compiles a Black Friday spot without a job or a charge and returns segment_count, billable_minutes, and estimated_cost_usd_micros.
Cutdown batch for Cyber Monday: check trim rows before posting
Cut a Cyber Monday ad into 6, 15, and 30 second versions: a short Python check catches Sume video-trim range errors in each row before you pay $0.02 a job.
Bulk queue idempotency: header or body key, and the header wins
A Sume bulk queue takes an Idempotency-Key as a header or as a body idempotency_key. If you send both, the header wins. Replays return 202 with the old queue.
Product turntable 1:1: Wan 3.0 draft at 480p, final at 1080p
An 8-second square turntable on Wan 3.0 costs $0.50 at 480p and $2.00 at 1080p on Sume, so five drafts plus one final is $4.50, not six finals.
Bulk queue window math: 8 gift clips at concurrency 3
With 8 items and concurrency 3, a Sume bulk queue starts 3 runs and holds 5. See how the window drains as each gift clip finishes, fails, or is canceled.
Burn a free-shipping cutoff onto a finished clip with caption cues
Burn a free-shipping cutoff line onto a finished holiday clip using Sume video-captions cues: text, start, and end in seconds, no speech needed, $0.20 a job.
Is a 4:5 or 3:4 video a YouTube Short? Render 1080x1350 or 1080x1440
YouTube says Shorts are square or vertical, up to 3 minutes. 4:5 and 3:4 are taller than wide; render them as 1080x1350 or 1080x1440 with Sume Timeline.