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
Text to speech for long text and audiobooks: split and join
Split long text or a book under the TTS request limits, voice every chunk with the same settings, then join the audio into files of up to 30 minutes.
Text to speech with multiple voices: one voice per line
A TTS request speaks with one voice. For a dialogue, synthesize each speaker's lines in that speaker's voice, then join the clips in script order.
AI podcast generator from text: script, voices, one file
An AI podcast generator is three steps: a speaker-tagged script, one voice per host, and a join into one audio file. How to do each with Sume's API.
IVR text to speech: phone menu prompts in telephony formats
Make IVR prompts and voicemail greetings with text to speech: one request per prompt, returned as 8 kHz μ-law or A-law WAV, or as MP3 or other PCM.
Text to speech for language learning: slow sentence audio
Make language-learning audio with text to speech: set the target language, slow the voice to 0.6×, and get one clip per sentence with word timings.
Text to speech recording for e-learning: one file per slide
Record e-learning narration with text to speech: one audio file per slide, the same voice each time, MP3 or WAV, and redo only the slide that changed.
Slideshow with voiceover: time each slide to its sentence
Make a slideshow with voiceover by holding each slide for its narration line. With Sume, TTS sentence timings become the slide slots in one render.
Text to speech for websites: one audio file per article
Add text to speech to a website: generate each article's audio once on your server, store the file, and play it on the page with an HTML audio player.
Generate music for a video with AI, then fit it to the cut
To generate music for a video with AI, describe the cut in a music brief, send a still from it, ask for its length, then fit the track to the video.
AI jingle generator from text: make a podcast intro sting
Generate a jingle or podcast intro from a text brief: ask for the length in the prompt, then cut the track to the exact second with an audio split.
Personalized video at scale: one recipe, one run per person
For personalized video at scale, keep one recipe fixed, pass each person's details as input, batch up to 100 per request, and map videos back by id.
Automate YouTube Shorts with AI: generate, then upload
You can automate YouTube Shorts with AI as two jobs: generate a vertical video on a schedule, then upload it with the YouTube Data API from your code.
Blog to video AI: turn each new post into a video
Blog to video AI turns an article into a narrated video. Automate it: send each new post's text to a video agent with a spend cap and a post key.
AI avatar language tutor: slow, captioned lesson videos
Make AI avatar language tutor videos: speak each lesson line slowly with TTS 1.0, lip sync a tutor avatar with Fabric, then caption each clip.
How to make an AI avatar influencer: one face, one voice
An AI influencer is one reusable face and voice. Make a Sume avatar once, reuse its handle for videos and voiceovers, and its still for new photos.
Talking avatar for PowerPoint presentations, slide by slide
Make a talking avatar presenter for PowerPoint: one Sume clip per slide, up to 60 seconds each, in 16:9 or 4:3 to match the slide, inserted as MP4.
AI avatar news anchor: make an AI news presenter video
Make an AI avatar news anchor with Sume: one reusable avatar reads each story as a 16:9 talking video, captioned, then joined into one bulletin.
AI avatar for online course videos: build and update lessons
Use an AI avatar as your online course instructor: one reusable avatar, a short talking video per section, captions, and one Timeline join per lesson.
AI avatar for YouTube videos: Shorts and long-form
Use an AI avatar in YouTube videos: a 9:16 talking video of up to 60 seconds for a Short, or 16:9 segments joined into one long-form video.
How to change the background of a photo with AI
Give an AI image model your photo and a prompt that names the new background, or cut the subject out first. How to do both with the Sume API.
How to get a white background product photo with AI
Cut the product out with a background remover and flatten the PNG onto white, or have an image model re-render the shot on white. Both with Sume.
AI lifestyle product photography from one packshot
Turn one packshot into lifestyle scenes: send it as a reference to an image model, describe one scene per request, and keep the shots that match.
AI mockup generator API: put your design on a product
Make product mockups with an image API: send your design and a blank product photo as references, say where the design goes, and check each result.
AI album cover generator: square art at 3000×3000
Generate square album art, then upscale: Apple recommends at least 3000×3000. On Sume, generate 2400×2400 and upscale it 1.25× to reach 3000×3000.
AI book cover generator: a 1600×2560 Kindle ebook cover
Amazon KDP recommends ebook covers 2,560 pixels tall by 1,600 wide. ChatGPT Image 2.5 on Sume takes 1600 × 2560 exactly; add the title and author.
AI coloring page generator: from a prompt or a photo
Ask for black outlines on white with no shading, in a portrait size for your paper. Send a photo as a reference to turn it into a coloring page.
AI images for Facebook ads: sizes for Feed, Stories, Reels
Meta recommends 4:5 at 1440×1800 for Feed image ads and 9:16 at 1440×2560 for Stories and Reels. Make each size from one brief and one product photo.
AI Instagram carousel post generator: same size, same style
Generate every carousel slide at one aspect ratio, 4:5 or 1:1, and reuse an approved slide as a style reference. Instagram's rules and an API recipe.
Real estate photo to video AI: a listing tour from photos
Turn listing photos into a video tour with AI: animate each photo as a clip's first frame, join the clips in room order, and check every frame.
How long should an ad be? Video ad lengths by platform
There is no single right length: each platform publishes its own. YouTube bumpers are 6 s, and Facebook plays in-stream ads of 15 s or less in full.
Hook variations for UGC ads: swap the hook, reuse the body
Make UGC ad hook variations by changing only the opening: one Timeline render per hook over the same body clips and voice, checked free first.
Product teaser video with AI: hold back, then reveal
A product teaser shows a detail and holds back the full product until the end. With AI, start a clip on a close-up and end it on the packshot.
AI book trailer maker: turn a blurb and cover into video
An AI book trailer turns your blurb and cover into a short video: narration, mood shots that end on the cover, music, and the title on screen.
How to make a 30 second advertisement with AI
Make a 30-second ad as one 30-second clip, or as shots cut over a voiceover to exactly 30 s. On Sume, seedance-2.5 and wan-3.0 make 30 s in one clip.
How to make an explainer video with AI: two ways
To make an explainer video with AI, split the script into beats, then have an avatar present them or run a voiceover over B-roll. Join longer parts.
Can AI animate old photos? How to bring a print to life
Yes. Scan the print, put it at a public link, and send it as the first frame of an image-to-video clip. Upscaling, print shapes, and what to expect.
Can AI make a music video for my song? Yes, clip by clip
Yes, as a series of short AI clips cut to your track. On Sume one clip runs 30 seconds at most, so you plan a shot for each section of the song.
Can AI make a video from a story? Yes, shot by shot
Yes: AI turns a story into video as a series of short shots. Approve a still per shot, animate it, voice the lines, then join the shots in order.
Storyboard to video AI: turn each frame into a shot
Turn a storyboard into video one frame at a time: render sketches into stills, animate each as a clip's first frame, then join the clips in order.
Can AI animate manga panels? Yes, one panel per clip
Yes: each manga panel can be the first frame of a short AI clip, and a timeline joins the clips in reading order into a motion comic with sound.
Virtual try-on video API: put a garment on a person
Make a virtual try-on video with the Sume API: call sume-virtual-try-on or sume-virtual-fitting with photos, or make a still and animate it.
Product photo to video API: e-commerce clips from SKU photos
Turn a product photo into a video with the Sume API: call the catalog Format that fits the product, or animate the photo as a first frame.
Before-and-after video generator API: build the reveal
Build a before-and-after video with the Sume API: the sume-before-after Format, a first-and-last-frame clip, or a Timeline wipe between two stills.
Logo animation API: from brand mark to ident or end card
Animate a logo with the Sume API: call sume-logo-motion-design with the mark attached, or animate it as a first frame, then add it as an end card.
Product logo warping in image-to-video: frames vs references
In Sume's image-to-video API, a packshot in frame_images sets the first frame; input_references only guide. Check the label in extracted stills.
AI model holding your product: photos and video via API
Pose an AI model with your product via the Sume API: sume-model-product-portrait for stills, sume-beauty-studio for video, or image edits you control.
AI fashion video generator API: editorial films, lookbooks
Make AI fashion editorial videos with the Sume API: run sume-fashion-editorial per look, queue a lookbook in bulk, or animate a cover still yourself.
Mobile app ad video generator API: creator demos, end cards
Make a mobile app ad with the Sume API: run sume-mobile-app-ugc with app screenshots, add a logo end card, and join both clips with Timeline 1.0.