black-forest-labs/flux-3/video-upscale
black-forest-labs/flux-3/video-upscale
From $0.79 for 1 second at default creativity=1; $0.55/second at creativity=0. Billed by input duration, rounded up to whole seconds. FLUX Video Upscale enhances MP4 videos with source-faithful or creative detail reconstruction, configurable 1.5x to 3x scaling, and improved visual clarity for video restoration, social content, ads, and production workflows. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
Examples
Parameters
| Name | Type | Default | Constraints | Description |
|---|---|---|---|---|
| promptPrompt | textarea | — | ≤ 5000 chars | Optional description used to guide creative detail enhancement. Leave empty for a neutral upscale. |
| upscale_factorUpscale Factor | slider | 2 | 1.5 ~ 3 · step 0.1 | Output scaling factor. The source aspect ratio is preserved. |
| creativityCreativity | slider | 1 | 0 ~ 1 · step 1 | Use 0 for a source-faithful upscale or 1 for creative detail enhancement. |
Output fields
| Field | Type | Description |
|---|---|---|
| videos | array<string> |
API
Call this model through one unified REST API. Get a key on the API Keys page.
cURL
# 1) Submit — returns { "task_uuid": "..." }
curl -X POST "https://www.namifusion.com/api/v1/marketplace/run/black-forest-labs/flux-3/video-upscale" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"input": {
"upscale_factor": 2,
"creativity": 1
}
}'
# 2) Poll until status is "completed", then read the output URLs
curl "https://www.namifusion.com/api/v1/marketplace/run/tasks/TASK_UUID" \
-H "Authorization: Bearer YOUR_API_KEY"Python
import time, requests
API_KEY = "YOUR_API_KEY"
HEADERS = {"Authorization": f"Bearer {API_KEY}"}
# 1) Submit
resp = requests.post(
"https://www.namifusion.com/api/v1/marketplace/run/black-forest-labs/flux-3/video-upscale",
headers=HEADERS,
json={
"input": {
"upscale_factor": 2,
"creativity": 1
}
},
)
resp.raise_for_status() # 401/402/429/5xx stop here instead of polling a bad task
task = resp.json()
# 2) Poll until a terminal state (completed / failed / cancelled).
# This model is allowed up to 1800s server-side.
deadline = time.time() + 1860
while task.get("status") not in ("completed", "failed", "cancelled"):
if time.time() > deadline:
raise TimeoutError(f"still {task.get('status')} — keep the task_uuid and poll later")
time.sleep(3)
poll = requests.get(f"https://www.namifusion.com/api/v1/marketplace/run/tasks/{task['task_uuid']}", headers=HEADERS)
poll.raise_for_status()
task = poll.json()
print(task["status"], task.get("output"))JavaScript
const API_KEY = "YOUR_API_KEY";
const HEADERS = { Authorization: `Bearer ${API_KEY}` };
// 1) Submit
const resp = await fetch("https://www.namifusion.com/api/v1/marketplace/run/black-forest-labs/flux-3/video-upscale", {
method: "POST",
headers: { ...HEADERS, "Content-Type": "application/json" },
body: JSON.stringify({
"input": {
"upscale_factor": 2,
"creativity": 1
}
}),
});
if (!resp.ok) throw new Error(`submit failed: ${resp.status} ${await resp.text()}`);
let task = await resp.json();
// 2) Poll until a terminal state (completed / failed / cancelled).
// This model is allowed up to 1800s server-side.
const deadline = Date.now() + 1860 * 1000;
while (!["completed", "failed", "cancelled"].includes(task.status)) {
if (Date.now() > deadline) throw new Error(`still ${task.status} — keep the task_uuid and poll later`);
await new Promise((r) => setTimeout(r, 3000));
const poll = await fetch(`https://www.namifusion.com/api/v1/marketplace/run/tasks/${task.task_uuid}`, { headers: HEADERS });
if (!poll.ok) throw new Error(`poll failed: ${poll.status}`);
task = await poll.json();
}
console.log(task.status, task.output);Documentation
black-forest-labs/flux-3/video-upscale
black-forest-labs/flux-3/video-upscale
From $0.79 for 1 second at default creativity=1; $0.55/second at creativity=0. Billed by input duration, rounded up to whole seconds. FLUX Video Upscale enhances MP4 videos with source-faithful or creative detail reconstruction, configurable 1.5x to 3x scaling, and improved visual clarity for video restoration, social content, ads, and production workflows. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
Parameters
| Parameter | Type | Required | Default | Limits / description |
|---|---|---|---|---|
video | string | Yes | — | MP4 video to upscale. Maximum duration: 20 seconds. Maximum file size: 50 MB. |
prompt | string | No | — | max 5000 chars; Optional description used to guide creative detail enhancement. Leave empty for a neutral upscale. |
upscale_factor | number | No | 2 | 1.5–3; step 0.1; Output scaling factor. The source aspect ratio is preserved. |
creativity | integer | No | 1 | 0–1; step 1; Use 0 for a source-faithful upscale or 1 for creative detail enhancement. |
Pricing
creativity=0: $0.55/second (55 credits); creativity=1 (default): $0.79/second (79 credits). Billable seconds = max(1, ceil(min(input video duration, 20))). Duration is measured from the input video; prompt and upscale_factor do not change the rate. Example: 5.2 seconds costs $3.30 or $4.74.
WaveSpeed standard list price; USD 1 = 100 credits. Account discounts are separate.
API
curl -X POST https://www.namifusion.com/api/v1/marketplace/run/black-forest-labs/flux-3/video-upscale \
-H "Authorization: Bearer $API_KEY" \
-H 'Content-Type: application/json' \
-d '{
"input": {
"video": "https://assets-public.namifusion.com/marketplace/videos/2026-04-14/88d6efad3763.mp4",
"upscale_factor": 2,
"creativity": 1
}
}'
curl 'https://www.namifusion.com/api/v1/marketplace/run/tasks/TASK_UUID' \
-H "Authorization: Bearer $API_KEY"
Submit returns task_uuid. Poll until completed or failed. Successful output: output.videos (URL array). This API is asynchronous and returns URLs.
Related models
VT Lip Sync
VT Lip Sync synchronizes mouth movements for a translated video by using the translated target video, translated audio, translated subtitle timing, and the original source video with its original subtitle timing.
Kling Omni Video O3
Kling Omni Video O3 Reference-to-Video generates creative videos using character, prop, or scene references from multiple viewpoints. Extracts subject features and creates new video content while maintaining identity consistency across frames. Supports audio generation. Ready-to-use REST API, best performance, no cold starts, affordable pricing.
Kling Omni Video O3
Kling Omni Video O3 Reference-to-Video generates creative videos using character, prop, or scene references from multiple viewpoints. Extracts subject features and creates new video content while maintaining identity consistency across frames. Supports audio generation. Ready-to-use REST API, best performance, no cold starts, affordable pricing.
Kling 3.0 Standard
Kling 3.0 Standard Motion Control transfers motion from reference videos to animate still images. Upload a character image and a motion clip (dance, action, gesture), and the model extracts the movement to generate smooth, realistic video. Ready-to-use REST inference API, best performance, no cold starts, affordable pricing.
seedance-2-0 reference-to-video
The "Reference-to-Video" feature of Seedance 2.0 is the ultimate solution for visual stylistic unity. It precisely extracts artistic styles, lighting tones, or compositional intents from reference materials and seamlessly integrates them into newly generated videos, ensuring a highly consistent visual language for your creative series.
black-forest-labs/flux-3/video-extend-draft
FLUX 3 Video Extend Draft quickly continues a required input video into a draft clip with prompt-guided next-scene motion, optional synchronized audio, and flexible 5-20 second duration for rapid iteration.
black-forest-labs/flux-3/video-extend
FLUX 3 Video Extend continues input videos into new 5-20 second clips, using prompt guidance to control the next action, camera movement, visual style, motion continuity, and optional synchronized audio at 720P / 1080P output. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
Alibaba WAN 2.6
Alibaba WAN 2.6 Reference-to-Video seamlessly transforms character, prop, or scene references—supporting both single and multi-view inputs—into high-quality video sequences. It excels at preserving identity, style, and layout while delivering fluid, coherent motion. Experience peak performance via our production-ready REST API, featuring zero cold starts and cost-effective pricing.