Cinematic Seamless Video Transition Creation with Seedance PRO

Create Stunning Video Transitions from Images using Seedance PRO.

 1import requests
 2import time
 3import json
 4
 5api_key = "YOUR_API_KEY"
 6url = "https://api.segmind.com/workflows/692931dff6094e1af000b7f9-v1"
 7
 8data = {
 9    "First_Frame_Input_Image": "https://segmind-inference-inputs.s3.amazonaws.com/bbecf20b-042b-4ea5-9782-8eb546fb9b91-0b53a1bb-7870-4c75-a5e4-70785734b3b8.jpg",
10    "Last_Frame_Input_Image": "https://segmind-inference-inputs.s3.amazonaws.com/20e13cd9-ecc0-4582-964d-b127f03d4e43-44e942de-c207-40df-be6e-b1431677577a.jpg",
11    "Input_Prompt": "Single-shot video. No effects. Transition only through natural camera movement. Camera pans/slides behind real objects to reveal the next scene as if it exists in the same space. Fluid, cinematic, connected environments. Perfectly match first frame → last frame by using perspective changes and occlusion, not digital transforms."
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)

API Endpoint

POSThttps://api.segmind.com/workflows/692931dff6094e1af000b7f9-v1

Parameters

First_Frame_Input_Imageoptional
string (uri)

First Frame Input Image

Default: "https://segmind-inference-inputs.s3.amazonaws.com/bbecf20b-042b-4ea5-9782-8eb546fb9b91-0b53a1bb-7870-4c75-a5e4-70785734b3b8.jpg"
Last_Frame_Input_Imageoptional
string (uri)

Last Frame Input Image

Default: "https://segmind-inference-inputs.s3.amazonaws.com/20e13cd9-ecc0-4582-964d-b127f03d4e43-44e942de-c207-40df-be6e-b1431677577a.jpg"
Input_Promptoptional
string

Input Prompt

Default: "Single-shot video. No effects. Transition only through natural camera movement. Camera pans/slides behind real objects to reveal the next scene as if it exists in the same space. Fluid, cinematic, connected environments. Perfectly match first frame → last frame by using perspective changes and occlusion, not digital transforms."

Response Format

Returns: Polling-based asynchronous response

Initial request returns a poll_url. Poll every 7 seconds until status is COMPLETED.

Common Error Codes

The API returns standard HTTP status codes. Detailed error messages are provided in the response body.

400

Bad Request

Invalid parameters or request format

401

Unauthorized

Missing or invalid API key

403

Forbidden

Insufficient permissions

404

Not Found

Workflow not found

406

Insufficient Credits

Not enough credits to process request

429

Rate Limited

Too many requests

500

Server Error

Internal server error

502

Bad Gateway

Service temporarily unavailable

504

Timeout

Request timed out