Guides
Sume guides: the API, Formats, agents, models, media tools and pricing, each answer dated and sourced.

Smoke alarm battery reminder video for a fire department or HOA
One 10-second Gemini Omni Flash clip with a real chirp, captioned with Ready.gov's smoke alarm rules, costs about $1.45 on Sume. Prompt, cues and checks.

Speechify API Starter, Pro, Scale: monthly bill vs Sume TTS
Speechify's API plans cost $10, $99 and $499 a month with included characters. See the bill at 1.9M to 100M characters next to Sume's flat $47.50 per million.

Suno Studio clip stretching: fit AI music to a video on Sume
Suno Studio added clip stretching, downbeat detection and fade curves on Oct 8, 2026. Sume has none of them; it fits music by prompt, trim, fade and duck.

Does Synthesia Syren have an API? A backend route with Sume Formats
Synthesia's Syren beta launched Oct 9 as an in-app button; its launch post mentions no API. How to call a saved video recipe from your server with Sume.

TikTok Shopping Assistant: what should product videos say?
TikTok's Shopping Assistant answers sizing, shipping and availability in chat. Make product clips that match your listing, with photo-to-video and burned cues.

Tokio JoinSet and Semaphore: eight Sume clips, abort on a 402
Run Sume video jobs from Rust with reqwest, a Tokio Semaphore, and a JoinSet that collects clips as they finish and calls abort_all on a 402.

Bun 1.4.3 EAI_AGAIN vs ETIMEOUT: retry a Sume submit safely
Bun 1.4.3 reports a temporary DNS failure as EAI_AGAIN, not ETIMEOUT. Update your retry check, and keep one Idempotency-Key across every Sume submit retry.

Bun 1.4.3 fetch stream errors: catch a cut-off Sume video download
Bun 1.4.3 fixes response streams that ended cleanly after a transfer failure. Still check the byte count when you save a finished Sume video to disk.

Can you fine-tune Qwen-Image-2.1-Turbo? Alibaba's pages disagree
Alibaba's Turbo page says it supports fine-tuning, its fine-tuning overview does not list it. Test with reference images on Sume before you pay to train.

Car dealer video ad: a Total Price line after FTC's Greenway deal
FTC's Oct 8, 2026 Greenway settlement asks for the Total Price as the most prominent price. Burn that line into each lot clip for $0.20 on Sume.

Does Runway roll over unused credits? Only Max, for one month
Runway's pricing page lists credit rollover on Max only (9,500 credits, $76 a month billed annually). How that compares with Sume plan credits, which expire.

HeyGen credit rollover: one cycle monthly, until renewal annual
HeyGen's pricing page says monthly plans roll unused credits over one cycle and annual plans keep them until renewal. Compared with Sume plan credits.

Muse Wonder reviews a video: send Sume inspect stills and transcript
Muse Wonder takes video and audio in but replies only in text. To have it review a Sume render, use video_inspect: 8 stills by default, 24 at most.

SynthID Detector is public: what it checks for AI ad creative
Google opened SynthID Detector to everyone on Oct 7, 2026 for Google, OpenAI, NVIDIA and Kakao marks. What a result means for AI ads and Sume files.

Caption a video over 10 minutes: Sume's 600 s row limit
Sume's veed-subtitles row accepts clips of 2 to 600 s. A 25-minute video needs three parts, each billed at least 60 s. Splitting plan inside.

Holiday Format run cap in credits: 8,000 to create, 600 to retry
Set generation_spend_cap_credits per Format run for Black Friday: the docs' 8,000 for a full create, 600 for one scene retry, and how the cap fails a run.

Short clip lipsync: Kling bills 5 s steps, LatentSync 40 s
A 6 s clip on Sume Kling Lipsync bills 10 s; a 12 s clip on LatentSync bills 40 s. The billed seconds for both rows, with a table.

Lip sync an existing video to new audio: 8 Sume video rows
Eight Video Router rows re-sync a clip you already have to new audio: video_url plus audio_url, 2 to 60 s on most, 9 s on InfiniteTalk Video.

Lip sync audio longer than the video: which duration to send
On Sume video-to-video lipsync, duration is the output's length: the shorter of clip and audio. Kling Lipsync is the exception and takes the clip's.

VEED Subtitles styles on Sume: 9 dynamic bill twice
Sume's veed-subtitles row has 30 VEED caption styles: 9 dynamic ones bill twice, 21 basic ones bill once, and 6 take a second highlight color.

Friday the 13th kindness challenge: a 13-clip recap in one render
World Kindness Day lands on Friday 13 November 2026. Join 13 four-second kind-act clips into a 52-second recap with numbered cards for $0.30 on Sume.

Where is the transcript for my caption job? Use video_inspect
A Sume caption job returns a captioned video, not raw text. For words and sentence segments, run video_inspect with transcribe true at $0.01 per audio minute.

January stocktake sale video: one caption cue per price
Make a January clearance video where every price is a timed caption cue, not baked into an image. Five 3-second cues on a 15-second clip cost $0.30 to finish.

Make the spoken caption word bigger or bolder: typography ranges
Sume's design.typography sets weight, spoken-word scale, size, safe width and outline width for burned-in captions. Here are the exact ranges and the 400s.

provider.sort and allow_fallbacks on Sume images: accepted, no effect
Porting OpenRouter-style image code to Sume: provider ignore, sort and allow_fallbacks are accepted but change nothing. only and order take "sume" alone.

Snow-day closure video: a silent clip with caption cues
Post a weather-closure notice as video: render two stills silent in Timeline 1.0, then burn the hours with caption cues. The silent clip needs cues, not speech.

Timeline audio 400: concat takes no url, split takes no parts
Sume's timeline audio endpoint rejects concat with a top-level url and split with parts. Stable error codes and the right shape for each operation.

Topview 180-second avatar videos vs Sume 60-second jobs: cost
Topview lists a 180 s avatar cap on every plan; Sume jobs run 4 to 60 s. Three chained Standard jobs for a 180 s script cost $33.12 without a product image.

Validate an image request against supported_parameters first
Sume rejects a parameter a model does not list with 400 unsupported_parameter. Read the catalog descriptors and check a request body before you POST /v1/images.

video-inspect fast seek: sample_times vs requested_times on a Short
Why the still from a fast video-inspect can be earlier than the time you asked for, which field tells you the real instant, and when to use precise instead.

AI UGC test playbook: which of the 8 stages Sume covers
A 2026 AI UGC playbook lists eight stages from brief to measurement. Here is which stages map to Sume routes and which stay with you or your ad platform.

Brighten an underexposed AI video: exposure in video-filter
To lift a dark clip in Sume, send filtergraph exposure=exposure=0.6 to video-filter. Range -3 to 3 stops, one $0.02 job, source clip up to 300 seconds.

Claude Code 2.1.294 prompt hook fix: spend limits need a command hook
Claude Code 2.1.294 fixed prompt and agent hooks written as instructions that let blocked calls through. For Sume spend limits, a command hook is still exact.

Claude Code onFailure block: fail-closed hook for paid Sume tools
Claude Code 2.1.295 adds onFailure: block for command and HTTP hooks. Use it so a crashed spend guard stops paid Sume generate calls instead of allowing them.

Fliki Free has no commercial use: the first plan that does, and Sume
Fliki's Free plan carries a watermark and no commercial use; Standard adds it. Here is where commercial rights start on Fliki and on Sume's plan ladder.

Longest video per plan: Fliki, Vidnoz, Kapwing vs Sume's 30-minute cap
Fliki goes 5, 15 and 40 minutes by plan, Vidnoz 3 then 60, Kapwing 4 then 120. Sume Timeline renders up to 1,800 seconds per job. The numbers side by side.

Magnific credits last a year with no monthly reset: Sume top-ups too?
Magnific says plan credits are valid for 1 year with no monthly resets. Sume top-up credits carry a 365-day expiry. How the two compare, with plan prices.

White elephant invite video: 10-second AI clip, rules on screen
Make a white elephant or Secret Santa invite clip with Gemini Omni Flash 1.1 (3-10 s, native audio), then burn date, spend limit and steal rules in as cues.

Pictory monthly vs annual: 14% to 41% gap, and Sume's yearly saving
Pictory Starter is $29 monthly or $25 annual, Professional $59 or $35, Team $199 or $119. Sume yearly saves 10% to 15%. The arithmetic, plan by plan.

Reduce green spill on a subject: despill in Sume video-filter
To remove a green cast from a person shot against a green backdrop, send despill=type=green:mix=0.6 to Sume's video-filter. One $0.02 job per clip.

Tax season reminder clips for a solo accountant: document checklist
A solo bookkeeper can turn a January document checklist into short reminder clips: one background, one cue set per client type, re-burned as dates change.

Turn a video into a line drawing: edgedetect in video-filter
Send edgedetect=low=0.08:high=0.3 to Sume's video-filter for an outline look on any hosted clip. Add negate for dark lines on white. One $0.02 job.

Winter closure notice video: a reusable caption-cue template
A snow-day or closure notice for a gym, studio or school: keep one background clip, change only the caption cues, and re-burn in minutes.

Small business year in review video from 10 photos and cues
Turn a year of shop photos into a thank-you recap: image-to-video clips from first frames, trimmed, then burned with your real numbers as caption cues.

Nano Banana 2.1, Pro, GPT Image 2.5, Seedream or FLUX.2: 5 checks
Pick between five Sume image rows by elimination: 1:8 ratio, 11+ references, transparent PNG, native 4K, then price from 3.75 to 18.75 cents.

Cinema 4D MCP plus Sume MCP in one Claude Desktop chat
Cinema 4D 2026.4 ships a local MCP server. Pair it with Sume's hosted MCP: render the scene locally, then animate and finish the still in Sume.

Midjourney Rerun (Thinking) is alpha-only: the Sume workaround
Midjourney's Rerun (Thinking) button retries a job that missed the prompt, but only on the alpha site. Here is the nearest retry loop with Sume's image API.

avgblur, boxblur, gblur or smartblur: which blur on Sume?
Sume's video filter allows four blur filters. What each does, which to pick for a soft background, and how to check a graph free before the $0.02 encode.