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
SaaS onboarding videos: one avatar job per checklist step
Each avatar job runs 4 to 60 seconds. Make one short video per onboarding step with a per-step idempotency key and a webhook, instead of one long welcome video.
Shorts Remix opt-out: what YouTube says, and remixing your own
YouTube says creators can opt out of visual remix in Shorts Remix. What the blog confirms, what it leaves open, and how to make an AI variant of your own Short.
Spotify Partner Program in 35 new countries: trailer clips
Spotify's podcast Partner Program reaches 35 more countries this fall. What the thresholds mean, and how Sume cuts the trailer and clips with video trim.
Substack free portion of a video: cut the public teaser clip
Substack lets publishers pick a free portion of an episode. Cut a matching public teaser for social with Sume's video trim and caption it for sound-off feeds.
Substack video in email is a clickable image: pick the still
Substack plays video on the web but shows a clickable image in email. Pull candidate stills from your clip with Sume's video frames: unbilled, up to 24.
TikTok in-feed ad caption rules: no hashtags, @ or clickable links
TikTok non-Spark in-feed ad captions are white in a fixed font, cannot hold links, @ symbols or hashtags. Where a burned-in caption fits instead.
TikTok in-feed ad minimum 516 kbps bitrate: what Sume gives you
TikTok's non-Spark in-feed ad spec asks for 516 kbps or more, 500 MB or less. Sume's trim and filter docs list no bitrate control, so here is the check.
TikTok in-feed ad file types: MP4, MOV, MPEG, 3GP or AVI?
TikTok's non-Spark in-feed ads accept five file types, Spark only .mp4 or .mov. Sume trim returns MP4, so a trimmed AI clip fits both.
TikTok Shop AI video penalties: link removal and Health Rating
TikTok Shop's AI content rules list what happens to violating videos: reduced reach, product links removed and Creator Health Rating points deducted.
TikTok Shop bans fictitious listings and joke videos: AI check
TikTok Shop's March 25, 2026 policy bans fictitious listings and joke or meme content. How to keep AI product videos on the right side of it.
TikTok Shop's 5 non-interactive videos in 7 days limit and AI clips
TikTok Shop caps you at 7 videos for 7 days after 5 non-interactive or misleading ones, and the rule names AI content. What it means for AI product clips.
TikTok Spark Ads limits: 10,000 per account and 20 codes a batch
TikTok Spark Ads allow 10,000 per account, 20 video codes per batch authorization, and Duet or Stitch posts need codes from both creators.
TikTok Spark Ads code: 7, 30, 60 or 365 days, caption locked
TikTok Spark Ads authorization codes last 7, 30, 60 or 365 days and the post caption cannot change once authorized. Prepare an AI video accordingly.
TikTok Spark Ads: no duration limit listed, MP4 or MOV, 4 lines
TikTok's in-feed ads page lists Spark Ads as .mp4 or .mov, no duration restriction, caption taken from the organic post up to four lines.
Turn an Instagram carousel into a Reel with Sume Timeline
A carousel holds up to 10 slides and a Reel cannot sit inside one. Sume Timeline turns the slides into a 1080x1920 Reel: stills hold, silence is allowed.
Which LLM should drive an AI video agent on Sume? A catalog table
Five orchestrator families sit in Sume's Agents catalog. The vendor-page limits that matter for a video agent, and what the LLM does and does not decide.
YouTube's AI Shorts tools are missing in the EU: what to use
YouTube's AI tools for Shorts are unavailable in the EEA, and some in the UK and Switzerland. Where they work, how they auto-label, and a Sume path elsewhere.
YouTube podcast-to-Shorts conversion: four countries, or Sume
YouTube Studio turns podcasts into Shorts only in Australia, Canada, the UK and the US. How to cut podcast clips with Sume video inspect, trim and captions.
YouTube Shorts drafts are stored on your device only
Shorts drafts save locally with no quantity limit and are lost if you delete the app or change devices. How to keep a master file so a Short is never lost.
Add a cold open to a YouTube video: move the best 10 seconds first
Put your best 10 seconds at the start of a video: detach audio once, then one Timeline 1.0 render with audio.parts and source_in. Plan call is free.
AI ambient rain or white noise track: a Lyria prompt and a loop
Sume's music route makes tracks, not sound-effect loops. How to prompt an ambient bed, what to expect, and how to loop it under a long video with Timeline.
Poll sticker on a Short made outside YouTube: what works
Poll and Quiz stickers are YouTube app features, and a poll drawn into the video is just pixels. What the help page says, and what Sume can burn in.
Can you edit an Instagram Reel after posting? Only these four things
After you share a Reel you can change the caption, cover, tags and location, not the video. A pre-post checklist and how to re-cut a clip with Sume.
Test three caption looks on one video without re-transcribing
Burn a video once, then restyle it twice with source_caption_id. Word timings are reused, so no second speech-to-text. Each render is still $0.20.
Crop the browser bar off a screen recording with video filter
Crop browser chrome or a sidebar off a SaaS screen recording using Sume video-filter crop fractions. Free /check first, $0.02 per encode, 300-second cap.
Gemini app locks the chat while a video renders: run several at once
Gemini says a video takes a few minutes and you can't use that chat meanwhile. On Sume, valid jobs queue by plan: 1 at a time on Free, 4 on Pro, 20 on Scale.
Gemini Omni in Google Vids: where editing your own video is blocked
Google Vids can edit any video with Gemini Omni, except non-AI footage in the EEA, UK, Switzerland, Texas and Illinois. Plans, dates, and a Sume edit call.
Google Ads video voice-over: 5 messages, 150 characters each
Google Ads voice-over adds up to 5 text-to-speech messages of 150 characters to a campaign video. What it limits, and what to use for longer localized scripts.
Google product variants need an image each: make one per colour
Google's ProductGroup markup wants each variant to have its own image, ID and URL. Generate one image per colour from a single product photo with Sume.
Help-center article from a product video: one still per step
Combine video inspect sentence segments with video frames at[] to get a screenshot at each step start. 24 stills max per call, 300-second clip cap.
Instagram Reels Align tool: get the last frame of a clip with Sume
Instagram's Align tool overlays your last clip's final frame. To get that frame from a finished file, probe the duration, then ask Sume video frames for it.
Instagram Reels length: 3 minutes, 15 or 20? Which limit applies
Instagram pages and the API list three different Reels maximums: 3 minutes, 15 minutes and 20 minutes. Which one binds for the app, for a guide and for the API.
Instagram Reels speed control 0.5x to 3x: what Sume can't retime
Instagram's Reels camera offers 0.5x slow motion and 2x to 3x fast forward. Sume's trim and filter docs have no speed control. What to do instead.
Instagram Reels template: music plus 3 clips, how to build the cut
Instagram only offers Reels as a template when they have music and at least 3 clips. How to build a 3-clip, one-track vertical cut with Sume Timeline 1.0.
Long video to Instagram Reels: pick cuts from sentence segments
Turn a long talk into Reels by transcribing with sentence segments, choosing 15 to 60 second ranges, then cutting them with video trim. Limits and costs.
Narrate a 2,000-word blog post with an AI voice: cost and steps
A 2,000-word post is roughly 12,000 characters, so one Sume TTS job at $0.0475 per 1,000 characters. The steps, settings and what to check before publishing.
Burn a rolling headline sequence onto a muted news clip
Put timed headlines on a muted news clip with video-captions cues, a card colour and anchor_ratio. $0.20 per clip up to 60 seconds, no speech needed.
Pull newsletter quotes from a video, with timestamps, via the API
Video inspect with transcribe and sentence segmentation returns timed sentences for $0.01 per audio minute, so a newsletter can link each quote to its moment.
Just sold video: put a SOLD plate over a listing tour clip
Make a just-sold video from an existing listing tour: overlay a SOLD plate PNG with Timeline compose, keep the original audio, one $0.02 job.
Shorts Audio Library music in a brand Short: personal use only?
YouTube says Shorts music library tracks are free but for personal, non-commercial use. For brand Shorts, read the terms or generate your own track.
Replace an ad read in a podcast episode: one concat job, no editor
Swap a 30-second ad in a finished podcast file by concatenating three parts with source_in and duration on Sume Timeline audio. $0.01 flat, wav or mp3.
Text to speech from a PDF with an API: extract, chunk, narrate
Sume's TTS takes text, not PDF files. Extract the text, split it under 20,000 characters, narrate each chunk, then join the audio. Costs and limits included.
TikTok-style hook, demo, CTA in one 9:16 avatar video call
Build a 12-second 9:16 hook, demo and CTA clip with Sume Avatar video_inputs, a silent demo beat and tiktok-green captions in a single request.
TikTok Multilingual tool: translated ad audio and captions
TikTok's Multilingual tool translates an ad's audio and adds captions per device language, but only in Smart+ campaigns. What it covers and what Sume adds.
AI video shows more units than you ship? TikTok Shop's quantity rule
TikTok Shop bars AI that shows more products than the buyer receives. Pull stills from an AI clip with Sume video frames and count the units before posting.
TikTok Shop listing video: one per product, 5 MB, made with Sume
TikTok Shop's listing policy allows one video per product, 5MB at most. How to size an AI product clip to fit with Sume, and what Sume cannot control.
TikTok Shop's nine-image set: white main image, no repeated angles
TikTok Shop wants a pure white front main image and up to nine images, no repeated angle. A nine-shot plan and the Sume calls that keep the product exact.
TikTok Shop on-screen prices: round up never down, state the terms
TikTok Shop lets you round $19.99 up to $20 but never down, and promo terms must be explicit. Generate the price captions per SKU with Sume cues.