Flux 3 API

Name: Flux 3 API - Example AI Video
Uploaded: 2026-07-29
Description: Sample video generated with the Flux 3 API on VideoGenAPI

Interactive Demo

Try Flux 3 Now

Explore the interface and see how easy it is to generate videos with Flux 3. Sign up for free to start creating!

Playground Demo - Flux 3

Demo Mode

Describe your video *

magic_button AI Powered

Be specific for best results 0/1000

Generation Type

Video Settings

Sign up to generate videos

Create a free account to access the full playground and generate unlimited videos with Flux 3.

timer ~88s generation

rocket_launch Get Started Free

Demo Preview

Demo Mode

Flux 3

by Black Forest Labs

FLUX.3 is a multimodal AI generation model built for creating and editing high-quality images, videos, and native audio within a unified architecture, offering realistic visual consistency, natural motion, synchronized sound, and advanced world understanding for cinematic content, advertising, creative production, and visual prototyping.

1080p • 5-15s • ~88s processing

Gallery

Flux 3 Examples

Discover what's possible with Flux 3 AI video generation

What is the Flux 3 API?

The Flux 3 API is a REST interface that lets developers generate AI videos programmatically using Black Forest Labs's Flux 3 model. It supports text-to-video, image-to-video through a single POST endpoint. VideoGenAPI handles authentication, billing, and provider infrastructure - you only need one API key to start building with the Flux 3 API.

Black Forest Labs

Provider

REST

API Protocol

~88s

Avg. Generation

How to Use the Flux 3 API

Integrate the Flux 3 API in your app in under 5 minutes with these four steps.

1

Create your VideoGenAPI account

Sign up free at VideoGenAPI.com and generate your API key from the dashboard. No Black Forest Labs account needed.
2

Send a request to the Flux 3 API

POST to https://videogenapi.com/api/v1/generate with your API key, model "flux-3", and a text prompt describing your video.
3

Poll for completion

Use the returned generation_id to check status via GET /api/v1/status/{id} or configure webhooks for automatic notifications.
4

Download your video

Once status is "completed", retrieve the video URL from the response and embed it in your app, website, or workflow.

Get Your Flux 3 API Key - Free key

Documentation

About Flux 3

info Overview

Flux 3 is Black Forest Labs's AI video generation model, accessible through the Flux 3 API on VideoGenAPI. FLUX.3 is a multimodal AI generation model built for creating and editing high-quality images, videos, and native audio within a unified architecture, offering realistic visual consistency, natural motion, synchronized sound, and advanced world understanding for cinematic content, advertising, creative production, and visual prototyping. The Flux 3 API supports 1080p output with 5–15 seconds clips, average processing in ~88 seconds. Integrate with a single REST endpoint - no separate Black Forest Labs account required.

stars Key Strengths

check_circle Text-to-video generation from natural language prompts
check_circle Image-to-video animation for still assets
check_circle Up to 1080p output resolution

check_circle Supported Features

Text to Video
Image to Video

settings Specifications

Max Resolution: 1080p
Duration Range: 5-15s
Avg. Processing: ~88s

workspace_premium Why Flux 3 via VideoGenAPI?

check_circle
Unified API: Access Flux 3 alongside 12+ models with one API key - no separate Black Forest Labs setup.
check_circle
Pay-per-use: Included in your balance with transparent per-generation billing.
check_circle
Production-ready: REST endpoints, status polling, webhooks, and comprehensive docs for fast integration.

Use Cases

What You Can Build with Flux 3

1

Product demos

Turn feature descriptions into short explainer clips for landing pages and onboarding.

2

Social content

Generate vertical or horizontal clips for TikTok, Reels, and YouTube Shorts at scale.

3

Creative prototyping

Test visual concepts before committing to full production budgets.

API Reference

Flux 3 API Documentation

Quick start guide to integrate Flux 3 in your application

code Endpoint

POST https://videogenapi.com/api/v1/generate

send Request Example

{
  "model": "flux-3",
  "prompt": "A cinematic drone shot gliding over misty mountains at golden hour, smooth camera motion",
  "duration": 10,
  "resolution": "480p"
}

download Response Example

{
  "success": true,
  "generation_id": "gen_abc123xyz",
  "status": "in_progress",
  "estimated_time": 88}

integration_instructions Code Examples

const response = await fetch('https://videogenapi.com/api/v1/generate', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'Authorization': 'Bearer YOUR_API_KEY'
  },
  body: JSON.stringify({
    model: 'flux-3',
    prompt: 'A cinematic drone shot gliding over misty mountains at golden hour, smooth camera motion',
    duration: 10  })
});

const data = await response.json();
console.log(data.generation_id);

import requests

response = requests.post(
    'https://videogenapi.com/api/v1/generate',
    headers={
        'Content-Type': 'application/json',
        'Authorization': 'Bearer YOUR_API_KEY'
    },
    json={
        'model': 'flux-3',
        'prompt': 'A cinematic drone shot gliding over misty mountains at golden hour, smooth camera motion',
        'duration': 10    }
)

data = response.json()
print(data['generation_id'])

$ch = curl_init('https://videogenapi.com/api/v1/generate');
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    'Content-Type: application/json',
    'Authorization: Bearer YOUR_API_KEY'
]);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode([
    'model' => 'flux-3',
    'prompt' => 'A cinematic drone shot gliding over misty mountains at golden hour, smooth camera motion',
    'duration' => 10]));

$response = curl_exec($ch);
$data = json_decode($response, true);
echo $data['generation_id'];

curl -X POST https://videogenapi.com/api/v1/generate \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "flux-3",
    "prompt": "A cinematic drone shot gliding over misty mountains at golden hour, smooth camera motion",
    "duration": 10  }'

View Full Documentation arrow_forward

Flux 3 API Pricing

Transparent pay-per-use pricing for the Flux 3 API - no monthly minimums, no hidden fees.

Included

Available on your VideoGenAPI balance with pay-as-you-go billing

check_circle One API key for Flux 3 and 12+ models
check_circle No Black Forest Labs account required
check_circle Free signup with starter credits

Start with Flux 3 API

FAQ

Flux 3 API - Frequently Asked Questions

What is the Flux 3 API? expand_more

The Flux 3 API is a REST interface that lets you generate AI videos programmatically using Black Forest Labs's Flux 3 model. Access it through VideoGenAPI with a single API key - no separate provider account required.

How do I get a Flux 3 API key? expand_more

Sign up at VideoGenAPI.com, create an API key in your dashboard, and use it as a Bearer token in the Authorization header when calling POST /api/v1/generate with model "flux-3".

How much does the Flux 3 API cost? expand_more

The Flux 3 API is available on VideoGenAPI with pay-as-you-go pricing based on your account balance.

How long does the Flux 3 API take to generate a video? expand_more

The Flux 3 API averages ~88 seconds per generation, depending on duration, resolution (up to 1080p), and current queue load.

Does the Flux 3 API support text-to-video? expand_more

Yes. Send a text prompt to POST /api/v1/generate with model "flux-3" to generate videos from natural language descriptions.

Do I need a separate OpenAI or Google account? expand_more

No. VideoGenAPI provides unified access to the Flux 3 API and 12+ other video models with one API key and one billing dashboard.

Compare with Other AI Video Models

Explore alternative models for different quality, speed, and budget needs.

Sora 2 API

OpenAI

Sora 2, developed by OpenAI, is the best model for generating highly realistic videos and audio with precise physical simulations and synchronized dialogue.

Sora 2 API docs arrow_forward

Kling 3 API

kling

Kling 3: Top-tier text-to-video generation with unparalleled motion fluidity, cinematic visuals, and exceptional prompt precision.

Kling 3 API docs arrow_forward

Veo 3 Fast API

Google DeepMind

Google's most advanced video generation model with unparalleled quality and incredible detail.

Veo 3 Fast API docs arrow_forward

Ready to start with Flux 3?

Join thousands of developers using VideoGenAPI for the most affordable AI video generation

Get API Key - Free View Pricing