Hook, demo and CTA in one avatar video with a silence beat
Use video_inputs for a three-beat avatar video: a spoken hook, a silent product beat and a spoken CTA. One avatar, one shared scene, 4 to 60 seconds.
Sume Avatar 1.0 by API: reusable avatars, talking video from a script, multi-scene and two-speaker videos, previews, B-roll, and Face Swap (Beta).
Start with: Introducing Sume Avatar 1.0
Use video_inputs for a three-beat avatar video: a spoken hook, a silent product beat and a spoken CTA. One avatar, one shared scene, 4 to 60 seconds.
Build a 9:16 UGC-style ad as three scenes in one avatar talking-video request: spoken hook, silent demo beat, spoken CTA, inside the 4-60 second window.
To make an avatar from a photo, send input type photo with a public HTTPS image_url. Sume rejects localhost, private, non-HTTPS and non-image URLs first.
Denmark's likeness bill proposes protection for 50 years after death, and the European Commission has raised concerns. What to check before avatar videos.
Searches for HeyGen avatar validation failed show people stuck on verification. On Sume an avatar create is a job you poll, and failures return a job error.
HeyGen Avatar V adds multi-look generation. On Sume an avatar keeps one identity, and each video's look comes from scene prompts, product images and quality.
Sume avatar talking videos accept scripts of an estimated 4-60 seconds. Split a 3-minute script into jobs of that size, then join the audio with timeline audio.
A secondary source says Italy's Law 132/2025 took effect Oct 10, 2025 and Art. 612-quater carries 1-5 years for deepfakes. Keep consent records for avatars.
Udemy's guidance puts an ideal promo video near 90 seconds. A Sume avatar clip tops out at 60 seconds, so build the intro as two clips and join them.

Avatar Face Swap Beta needs quality standard, plus or max and a source clip of about 4 to 15 seconds with audio. A 12-second clip fits; test the tiers.

The FTC's reviews rule Q&A says section 465.2 bans fake reviews but does not prohibit virtual influencers. Sume Avatar 1.0 makes spokesperson clips.
A poster image from a Sume avatar preview still needs a text alternative under WCAG 1.1.1, and the video needs descriptive identification. What to write.
A silent beat or silent clip in an avatar video is prerecorded video-only content. Here is what WCAG 1.2.1 wants and how to supply it from Sume.
A talking-head avatar video already has its words in a script. Here is when that text meets WCAG 1.2.3 and what to add if the picture carries more.
HeyGen's skill polls every 30 seconds, then every 60. Sume's job status returns next_poll_after_seconds. A runnable Python poller that follows it.
Preview stills are never captioned. Caption settings on the preview are stored, then applied at generate-video. What that means.
Check a 30-second campaign intro on a Sume preview, then override quality to max only at generate-video. A 30-second Max render costs $16.50.
Adding product_image to a Sume avatar video raises the per-second rate by $0.01 on Standard, $0.013 on Plus and $0.03 on Max: +$0.30, $0.39 or $0.90 for 30 s.
Ten 5-second standard avatar openers cost $9.20 at $0.184 per second, and ten fit inside a Pro queue's first wave of 15. Then you finish only the winner.
Sume product-variant avatar video costs $0.194, $0.258 or $0.58 per second by tier, so 15 s is $2.91, $3.87 or $8.70, plus $0.95 once for the avatar.
Sume Avatar 1.0 accepts scripts it estimates at 4 to 60 seconds. Estimate yours first, then shorten it or split it into separate videos before you submit.
Make a 30-second welcome video for guests with an AI avatar placed in a photo of your listing. Costs at standard, plus and max, plus the request to send.
Tavus Griffin nods and says mm-hm while it listens. A recorded Sume avatar video cannot listen, but it can hold a silent beat. Here is a preview-first test.
An author avatar introduces a book with the cover as the product image. A 30-second clip costs $5.82 at standard, $7.74 at plus and $17.40 at max.
Use a car photo as the product image in an AI avatar video. A 20-second intro costs $3.88 at standard, $5.16 at plus and $11.60 at max. See the request.
Search TikTok trend metadata for $0.10 a call, pick a hook, and script a 15-second avatar video around it. Includes both requests and the cost of the pair.
Twelve weekly 15-second kickoff videos from one AI avatar cost about $33 at standard and $44 at plus. See the per-week math and a scripting pattern.
A 25-second About the Maker clip for a shop page costs $4.85 at standard and $6.45 at plus with a product photo. See the request and a script frame.
HeyGen's LiveAvatar FAQ prices streaming by the credit: 30 s in FULL mode, 1 min in LITE. Compare that with a recorded Sume avatar video, billed per second.
InfiniteTalk makes about 40 s in single-clip mode and unlimited length when streaming. Compare that with a Sume avatar video of 4 to 60 s, priced per second.

LatentSync 1.6 is a 512 px video-plus-audio lip-sync model that wants 18 GB of GPU memory. No GPU, only a photo? Here is the Sume still-plus-audio route.

LivePortrait animates a portrait from a driving video, not from speech. Sume's Kling 3.0 motion control route does that as a hosted API, per second.
Three 20-second thank-you videos, one per giving tier, cost $11.04 in total at standard. See how to script them and why you review a preview first.

NVIDIA Audio2Face-3D turns audio into facial animation data for a 3D rig. If you want a finished MP4 from a photo instead, this is the Sume route and its cost.
Turn an episode summary into a 20-second vertical promo with an AI avatar host. Standard costs $3.68, plus $4.90, max $11.00. Includes captions and a script.

SadTalker turns one portrait and an audio file into a talking head. What it costs you to run, and the hosted Sume still-plus-audio route that skips the GPU.
A 40-second weekly announcement from one AI avatar costs $7.36 at standard, or $264.96 for a 36-week school year. Includes a script frame and caption tip.
Tavus lists custom face creation on Starter, Growth and Enterprise plans only. See how that compares with creating a reusable Sume avatar for a flat $0.95.

Wav2Lip's README limits results to research, academic or personal use. For client or ad work, here is the still-plus-audio lip sync Sume offers, with costs.
Zoom's Custom Avatar add-on lists 5 avatars and 18 minutes of AI video a month. See how that compares with paying Sume per second, with worked costs.
Zoom's realistic avatars use your live camera in meetings. If you want an avatar to deliver a weekly update while you are away, here is the recorded route.
Cloudflare Worker verifier for Sume avatar video webhooks: crypto.subtle HMAC-SHA256 over timestamp.body, timingSafeEqual per entry, empty secret refused.
Deno verifier for Sume avatar video webhooks: crypto.subtle.verify HMAC over timestamp.body, each sume-v1 entry checked, 300 s window, empty secret refused.
Java verifier for Sume avatar video webhooks: HmacSHA256 over timestamp.body, MessageDigest.isEqual for each sume-v1 entry, 300 s window, empty secret refused.
Go verifier for Sume avatar video webhooks: HMAC-SHA256 over timestamp.body, hmac.Equal across every sume-v1 entry, 300 s replay window, empty secret refused.
C# and .NET verifier for Sume avatar video webhooks: HMACSHA256 over timestamp.body, FixedTimeEquals, 300 s window, empty secret refused.

Check a Sume face swap before publishing: confirm the audio stream, compare length with the source, and sample stills with video inspect. Free probe.
Less-staged AI UGC comes from the first frame: phone-style framing, a casual scene prompt, an approved preview, then the final render. The levers Sume exposes.