Cinematic Fashion Video Generation with Nano Banana 2 and Seedance 2.0 Serverless API

 1import requests
 2import time
 3import json
 4
 5api_key = "YOUR_API_KEY"
 6url = "https://api.segmind.com/workflows/v2/6a436b86a556eda50fefc705-v1"
 7
 8data = {
 9    "model_input": "https://segmind-inference-inputs.s3.amazonaws.com/ca53cb17-d0b8-46e3-a4d8-9f12e5bc5ccf-14036-output.png",
10    "input_prompt": "A young woman with dark straight hair and a subtle smile walks through an empty urban street during the golden hour of late afternoon. She wears the outfit from the second image, She is captured mid-stride in a creative walking pose — one leg slightly crossing in front of the other in a casual runway-style walk, dark hair caught in a gentle breeze sweeping across her face. Her gaze is directed slightly on-camera with a cool, unbothered expression.\nThe setting is a wide, empty industrial side street bathed in warm golden hour sunlight — long dramatic shadows stretching across the pavement, aged brick walls and peeling paint softly blurred behind her, dust particles catching the light in the air. The mood is effortlessly cool, raw, and editorial — like a high-fashion street photography shot. Shot on medium format film, warm golden tones with deep shadows, rich contrast. keep the face exactly from the image provided",
11    "costume_input": "https://segmind-inference-inputs.s3.amazonaws.com/b9251c4a-3de9-4cbf-b504-ff02029ede7e-download (1).jpg"
12}
13
14def poll_for_result(poll_url):
15    """Poll the API until the generation is complete"""
16    while True:
17        response = requests.get(
18            poll_url,
19            headers={'Authorization': f'Bearer {api_key}'}
20        )
21        result = response.json()
22
23        if result['status'] == 'COMPLETED':
24            # Parse the output (it's a JSON string)
25            outputs = json.loads(result['output'])
26            return outputs
27        elif result['status'] == 'FAILED':
28            raise Exception(result.get('error', 'Generation failed'))
29
30        # Wait 7 seconds before polling again
31        time.sleep(7)
32
33# Make the initial request
34response = requests.post(
35    url,
36    json=data,
37    headers={
38        'Authorization': f'Bearer {api_key}',
39        'Content-Type': 'application/json'
40    }
41)
42
43if response.status_code == 200:
44    result = response.json()
45    print('Request queued:', result)
46
47    # Start polling for results
48    outputs = poll_for_result(result['poll_url'])
49    print('Generation complete:', outputs)
50else:
51    print(f"Error: {response.status_code}")
52    print(response.text)