black-forest-labs/flux-3/text-to-video
black-forest-labs/flux-3/text-to-video
black-forest-labs/flux-3/text-to-video. Esplora API di modelli per immagini, video e scambio volto. Prova un modello e integralo tramite un’unica API REST.
Modelli correlati
Parametri completi, schema di output e prezzi aggiornati
| Marketplace delle API per modelli IA | Una piattaforma per tutto | Più popolare | Termini | Esplora API di modelli per immagini, video e scambio volto. Prova un modello e integralo tramite un’unica API REST. |
|---|---|---|---|---|
| prompt *Prompt | textarea | — | ≤ 5000 chars | |
| aspect_ratioAspect Ratio | select | 9:16 | 21:9 | 2:1 | 16:9 | 4:3 | 1:1 | 3:4 | 9:16 | |
| resolutionResolution | select | 720p | 720p | 1080p | |
| durationDuration | slider | 5 | 5 ~ 20 · step 1 | |
| generate_audioGenerate Audio | boolean | true | — |
Parametri completi, schema di output e prezzi aggiornati
| Scopri di più | Una piattaforma per tutto | Esplora API di modelli per immagini, video e scambio volto. Prova un modello e integralo tramite un’unica API REST. |
|---|---|---|
| videos | array<string> |
API
Esplora API di modelli per immagini, video e scambio volto. Prova un modello e integralo tramite un’unica API REST.
cURL
# 1) Submit — returns { "task_uuid": "..." }
curl -X POST "https://www.namifusion.com/api/v1/marketplace/run/black-forest-labs/flux-3/text-to-video" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"input": {
"prompt": "A cinematic tracking shot of a neon-lit street market in Tokyo at night during light rain, reflections shimmering on the pavement, pedestrians with transparent umbrellas moving naturally through the scene, steam rising from food stalls, subtle camera dolly forward, realistic motion, atmospheric lighting, high detail, immersive urban ambience",
"aspect_ratio": "9:16",
"resolution": "720p",
"duration": 5,
"generate_audio": true
}
}'
# 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/text-to-video",
headers=HEADERS,
json={
"input": {
"prompt": "A cinematic tracking shot of a neon-lit street market in Tokyo at night during light rain, reflections shimmering on the pavement, pedestrians with transparent umbrellas moving naturally through the scene, steam rising from food stalls, subtle camera dolly forward, realistic motion, atmospheric lighting, high detail, immersive urban ambience",
"aspect_ratio": "9:16",
"resolution": "720p",
"duration": 5,
"generate_audio": True
}
},
)
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/text-to-video", {
method: "POST",
headers: { ...HEADERS, "Content-Type": "application/json" },
body: JSON.stringify({
"input": {
"prompt": "A cinematic tracking shot of a neon-lit street market in Tokyo at night during light rain, reflections shimmering on the pavement, pedestrians with transparent umbrellas moving naturally through the scene, steam rising from food stalls, subtle camera dolly forward, realistic motion, atmospheric lighting, high detail, immersive urban ambience",
"aspect_ratio": "9:16",
"resolution": "720p",
"duration": 5,
"generate_audio": true
}
}),
});
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);Documentazione API
black-forest-labs/flux-3/text-to-video
black-forest-labs/flux-3/text-to-video
FLUX 3 Text-to-Video generates cinematic 5-20 second videos from text prompts, with coherent motion, cinematic composition, optional synchronized audio, and 720P / 1080P output for creative videos, 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 |
|---|---|---|---|---|
prompt | string | Yes | — | max 5000 chars; The text prompt describing the video you want to generate. |
aspect_ratio | string | No | "9:16" | 21:9, 2:1, 16:9, 4:3, 1:1, 3:4, 9:16; The aspect ratio of the generated media. |
resolution | string | No | "720p" | 720p, 1080p; Resolution of the generated video. |
duration | integer | No | 5 | 5–20; step 1; Video length in seconds (5-20). |
generate_audio | boolean | No | true | Whether to generate audio for the video. |
Pricing
| Mode | USD / second | Credits / second | USD / 5 seconds |
|---|---|---|---|
| 720p | $0.17 | 17 | $0.85 |
| 1080p | $0.29 | 29 | $1.45 |
Price = rate × min(ceil(duration), 20). duration is an integer from 5 to 20; default 5. generate_audio does not change the price.
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/text-to-video \
-H "Authorization: Bearer $API_KEY" \
-H 'Content-Type: application/json' \
-d '{
"input": {
"prompt": "A cinematic tracking shot of a neon-lit street market in Tokyo at night during light rain, reflections shimmering on the pavement, pedestrians with transparent umbrellas moving naturally through the scene, steam rising from food stalls, subtle camera dolly forward, realistic motion, atmospheric lighting, high detail, immersive urban ambience",
"aspect_ratio": "9:16",
"resolution": "720p",
"duration": 5,
"generate_audio": true
}
}'
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.
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