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
Edits lyrics captions vs Sume video captions with script_text
Edits generates lyrics from a selected track and styles them as captions. With Sume you supply the lyric text as script_text and choose a caption style.
Instagram carousel originality rule: make slides with n
Instagram now applies its originality rules to photos and carousels. Create your own slides: ask for several images per call with n, at 4:5 for portrait.
iPhone 18 Pro screenshot size: 1206x2622 and 1179x2556
iPhone 18 Pro screenshots (6.3-inch) are 1179x2556 or 1206x2622. Neither fits Sume's multiple-of-16 image rule or its 2160 Timeline edge cap.
iPhone Duo App Store screenshot size: outer and inner
iPhone Duo screenshots: 1398 x 2034 or 2034 x 1398 outer, 2007 x 2853 or 2853 x 2007 inner. Sume Timeline can hit the outer sizes, not the inner ones.
Kling 4.0 Creative Recreation vs Sume reference ingest manifest
Kling 4.0 Creative Recreation borrows a reference video's pacing and shot structure. Sume reference ingest returns the shots, text and audio facts first.
가상인물 후기 광고: experience lines in a Sume avatar script
공정위는 가상인물 표시를 해도 사용경험처럼 말하면 실제와 맞지 않을 때 부당할 수 있다고 합니다. 아바타 스크립트에 쓰는 1인칭 후기 문장을 점검하세요.
Mac App Store screenshot size: which of the 4 Sume can make
Mac App Store screenshots are 16:10: 1280x800, 1440x900, 2560x1600 or 2880x1800. Sume's image API covers two; Timeline covers 1440x900.
Microsoft Store screenshots: 5-8 advised, 1:1 and 2:3 logos
Microsoft Store requires one screenshot and advises 5-8 per device type. Store logos need 1:1 box art and recommend 2:3 poster art; both ratios exist in Sume.
Pinterest Restyle beta: restyle a photo with a prompt on Sume
Pinterest Restyle is a beta in the US and Canada. To restyle your own photo, send it as a reference with an edit prompt and optional mask to Sume Images.
Pinterest Visual Search Ads: product photo variants from one image
Pinterest Visual Search Ads put ads in visual search results. Make angle and context variants of one product photo with Sume's image-to-image reference input.
App Store preview poster frame: default 5 seconds, check it
Apple's default poster frame for an app preview is 5 seconds in. Extract that exact frame from your render with Sume video_frames before you upload.
Qwen TTS inline tags vs Sume's emotion and speed controls
Qwen-Audio-3.0-TTS reads tags like [gasp] and [angry] in text. Sume TTS uses generation_config with an emotion guide and speed from 0.6 to 1.5.
Resolve Cloud Presentations subtitles: burn cues into a copy
Resolve 21.1 added subtitle support to Cloud Presentations. For a review copy outside Resolve, Sume burns cues onto a video; SRT uploads are unsupported.
Multimaster output sizes: repeat video trim with new width and height
For several deliverable sizes from one master, run Sume video trim once per size with output width and height 256 to 2160, fps 24/25/30/60, precision exact.
Resolve 21.1 source viewer aspect ratio: check clips first
Resolve 21.1's source viewer keeps each clip's original aspect ratio. To check clips before conforming, Sume video inspect returns stills with width and height.
Shopify AI image editor scenes: one at a time vs n
Shopify's editor generates one scene at a time and deletes unsaved ones on close. On Sume, ask for several scenes in one call with n and keep the job results.
Shopify Magic image editor: 1 MP default vs Sume tiers
Shopify's media generation outputs about 1 megapixel by default. With the Sume image API you choose a resolution tier (512, 1K, 2K, 4K) per request.
Snapchat short dramas: a 30 s to 5 min episode budget
Short dramas run 30 seconds to five minutes, vertical. Plan how many shots an episode needs, then join them in a Timeline that renders 1080×1920 by default.
Spotify video podcast aspect ratio: any, but shown in 16:9
Spotify accepts any aspect ratio for video podcasts but may letterbox it in 16:9. Deliver a true 16:9 frame with video-trim output or Timeline contain.
Steam bundle header 707x232: what an AI image can hit
Steam wants a 707x232 bundle header. Sume's custom sizes cap at 3:1, and 707x232 is wider, so generate near it and finish the exact crop yourself.
Steam Library Capsule 600x900: below the image pixel floor
Steam's Library Capsule is 600x900, only 540,000 pixels, under Sume's 655,360-pixel floor. Generate 800x1200 and downscale, or route through Timeline.
Steam Library Hero 3840x1240: over the 3:1 image limit
Steam's Library Hero is 3840x1240, slightly wider than 3:1, so the Sume image limit rejects it. Generate 3840x1280 and crop 40 px.
Steam screenshots: 1920x1080, five minimum, gameplay only
Steam asks for at least five 16:9 screenshots, 1920x1080 or larger, showing gameplay. A generated image is not gameplay, so capture real frames instead.
App Store screenshot has an alpha channel: request jpeg
App Store Connect says screenshots can't include alpha channels or transparencies. Ask the Sume image API for output_format jpeg instead of png.
Synthesia dub speaker attribution vs Sume speech-to-text and audio
Synthesia lets Enterprise users reassign and rename speakers in a dub. Sume gives you audio detach, speech-to-text and audio joins; speaker mapping is yours.
Synthesia brand kit fonts vs Sume caption fonts: Hangul only
Synthesia Motion Graphics now use brand kit fonts. Sume's caption font field takes a Hangul face only, so Latin brand fonts cannot be set there.
Synthesia Layouts (100+ designs) vs Sume compose: stack or overlay
Synthesia Layouts ship 100+ scene designs in its editor. Sume compose builds one shot from one still and one video as stack or overlay. What to pick.
Threads podcast guest card: pull the guest still with video frames
Threads now supports guest card posts for podcasts. To get the guest image from your episode video, ask Sume video frames for stills at the seconds you name.
Threads podcast video highlight: cut the clip with video trim
Threads now lets podcasters share highlights as video posts. Cut one standout moment from a long episode into a new MP4 with Sume video trim at $0.02 per job.
Threads podcast transcript post: burn the quote onto the clip
For a podcast quote clip, burn captions from your exact transcript text with Sume video captions script_text, or authored cues. SRT uploads are not accepted.
Apple Watch Ultra 4 screenshot size: 422x514 from Sume
Apple Watch Ultra 4 screenshots are 422 x 514 pixels. Sume's image API cannot output that size, but a Timeline still plus a PNG frame can.
Wix Video minimum size 480x470: crop and scale with video filter
Wix Video accepts 480x470 to 1920x1080. Sume video-filter crops by fractions and runs scale or pad in a filtergraph, with a free check before the encode.
Wix video poster 1944x2880: stills from a clip with video frames
Wix lists a video poster at 1944 x 2880 px. Sume video-frames makes JPG or PNG stills from a clip, but max_edge stops at 2160, so it cannot upscale to 2880.
Wix Video trailer size: cut a short trailer with video trim
Wix lists trailers at up to 100 MB. Sume video trim cuts an exact-length clip with duration and output width, height and fps. It has no file-size setting.
YouTube: AI podcast hosts giving financial advice and monetizing
YouTube lists AI-generated podcast hosts offering financial guidance, investment tips or wealth management advice as not allowed to monetize.
YouTube AI persona policy: the AI doctor example
YouTube says channels using AI personas as human experts on health, legal, finance or politics cannot monetize. An AI doctor is its first example.
YouTube AI persona policy: legal advice and politics
YouTube's AI persona rule covers health, legal issues, finances or politics; AI personas giving legal advice or interpreting laws are a listed example.
YouTube dynamic brand segments: make the segment clip
YouTube is testing brand segments inserted into up to 20 long-form videos. Make one clip, then trim and assemble variants of it with Sume Timeline.
YouTube first-frame views: check your opening frame at t=0
YouTube now counts a view from the first frame, including autoplay and hover. Pull frames at 0, 0.5 and 1 s with Sume video frames to see what plays first.
One video ad into many variants with the same pacing, by API
Send one source ad to Sume's video edit once per variant, each with a single-change prompt ending 'Keep everything else the same.' One job and one key each.
Add film grain to a video by API with the noise filter
Add film grain to a finished clip with the allowlisted noise filter in Sume's video filter: one encode job, a new MP4, and a free check before you pay.
Add motion blur to video: the tmix frame-blend filter API
Sume's video filter has no motion-blur filter, but tmix and tblend blend neighboring frames for a blur-like trail. Limits on a 24 fps source, and the check.
Add a vignette to a video by API with the vignette filter
Add a lens-edge vignette to a Sume-hosted clip with the allowlisted vignette filter: one encode job, a new MP4, and limits on graph size and source length.
Apple Music ai_transparencies Artwork value for AI cover art
If AI generated a material portion of an album cover, Apple Music spec 5.3.26 asks you to add the Artwork value in ai_transparencies. Omitted means none.
Apple Music ai_transparency: Composition vs Track for AI songs
Apple Music spec 5.3.26 has Composition for AI lyrics or components and Track for an AI sound recording. A song from a prompt usually needs both values.
Argil moderated content rules vs Sume content_policy_rejected
Argil restricts finance, crypto, political and misinformation topics on its own avatars. On Sume a rejected clip fails the job with a public_reason to handle.
ASCI: an AI testimonial ad stays prohibited even with a label
ASCI's September 2026 guidelines keep AI-fabricated endorsements and exaggerated before-after visuals prohibited even when labelled. For avatar ads.
ASCI's three questions: when does an AI ad need a label?
ASCI's September 2026 guidelines ask three questions to decide if synthetic content in an ad needs a label. Here they are, applied to an avatar video ad.