Create Magic Clips

Generate multiple engaging short-form video clips from YouTube videos automatically using AI. This endpoint processes YouTube videos and creates clips with automatic captions, animations, and effects optimized for social media platforms.

This endpoint requires authentication, Magic Clips subscription, and has a rate limit of 500 requests per hour.

Magic Clips created via API use your regular Magic Clips credits, not API credits. 1 credit per project.

Authentication

x-api-key

string

required

Your Submagic API key starting with sk-

Request Body

title

string

required

A descriptive title for your Magic Clips project (1-100 characters)

language

string

required

Language code for captions (2-10 characters, e.g., “en”, “es”, “fr”). Use the languages endpoint to get available options.

youtubeUrl

string

required

Valid YouTube video URL to process for clip generation

webhookUrl

string

URL to receive webhook notifications when processing is complete. Must be a valid HTTPS URL.

templateName

string

Template to apply for styling. Use the templates endpoint to get available options. Defaults to “Sara” if not specified. Cannot be used together with userThemeId.

userThemeId

string

ID of a custom user theme to apply for styling. Must be a valid UUID of a theme that belongs to you or your team. Cannot be used together with templateName.

minClipLength

number

Minimum clip duration in seconds (15-300 seconds). Defaults to 15 seconds.

maxClipLength

number

Maximum clip duration in seconds (15-300 seconds). Defaults to 60 seconds.

Response

string

Unique identifier for the created Magic Clips project (UUID format)

title

string

The title you provided for the project

language

string

Language code used for captions

status

string

Current processing status: processing

webhookUrl

string

Webhook URL if provided in the request

templateName

string

Template name applied to the project

userThemeId

string

User theme ID applied to the project

createdAt

string

ISO 8601 timestamp when the project was created

curl -X POST "https://api.submagic.co/v1/projects/magic-clips" \
  -H "x-api-key: sk-your-api-key-here" \
  -H "Content-Type: application/json" \
  -d '{
    "title": "YT magic-clips test1",
    "language": "en",
    "youtubeUrl": "https://www.youtube.com/watch?v=eURYVajKLVw",
    "templateName": "Hormozi 2",
    "webhookUrl": "https://webhook-test.com/6704c8535a2a913c3d094aba685d6a18",
    "minClipLength": 15,
    "maxClipLength": 60
  }'

{
  "id": "e568c322-7fa5-497a-8fb0-3ba32e9e67d2",
  "title": "YT magic-clips test1",
  "language": "en",
  "status": "processing",
  "webhookUrl": "https://webhook-test.com/6704c8535a2a913c3d094aba685d6a18",
  "templateName": "Hormozi 2",
  "userThemeId": "749a19fs-4b45-4b14-bd31-a3970a1a5ff2",
  "createdAt": "2025-09-24T12:55:56.989Z"
}

Webhook Integration

When processing is complete, a webhook notification will be sent to the provided webhookUrl (if specified). The webhook payload includes information about the main project and all generated clips.

Webhook Payload Structure

{
  "projectId": "e568c322-7fa5-497a-8fb0-3ba32e9e67d2",
  "status": "completed",
  "title": "YT magic-clips test1",
  "duration": 283,
  "completedAt": "2025-09-24T12:59:24.880Z",
  "magicClips": [
    {
      "id": "364fe092-b68d-468a-9558-bfca7c4d190e",
      "title": "ProMotion Display Breakthrough",
      "duration": 21.04,
      "viralityScores": {
        "total": 89,
        "shareability": 23,
        "hook_strength": 22,
        "story_quality": 21,
        "emotional_impact": 23
      },
      "status": "completed",
      "previewUrl": "https://app.submagic.co/view/364fe092-b68d-468a-9558-bfca7c4d190g",
      "downloadUrl": "https://app.submagic.co/api/file/download?path=3c6cd7cd-3f5e-4def-b662-69c48a7fc8ce/e568c322-7fa5-497a-8fb0-3ba32e9e67d2/364fe092-b68d-468a-9558-bfca7c4d130e-download.mp4&newFileName=ProMotion%20Display%20Breakthrough.mp4",
      "directUrl": "https://dqu1p08d61fh.cloudfront.net/api/9cc52d00-43d7-442f-9a22-050312bkm24f/1ddee5b4-101f-4c1e-a74a-b6b3bcfe206c/video.mp4-download.mp4"
    }
  ]
}

Webhook Response Fields

projectId

string

Main project identifier

status

string

Processing status: completed or failed

title

string

Project title

duration

number

Total duration of the original video in seconds

completedAt

string

ISO 8601 timestamp when processing completed

magicClips

array

Array of generated clips, each containing: - id: Unique clip identifier - title: AI-generated clip title - duration: Clip duration in seconds - viralityScores: Object containing virality metrics with total, shareability, hook_strength, story_quality, and emotional_impact scores - status: Clip processing status - previewUrl: URL to preview the clip - downloadUrl: Direct download URL for the clip - directUrl: Direct URL that can be embedded on your website or used to play the clip directly

Error Responses

400 Bad Request

object

{
  "error": "VALIDATION_ERROR",
  "message": "Invalid request parameters"
}

401 Unauthorized

object

{
  "error": "UNAUTHORIZED",
  "message": "Invalid or missing API key"
}

403 Forbidden

object

{
  "error": "FORBIDDEN",
  "message": "Magic Clips subscription required"
}

429 Too Many Requests

object

{
  "error": "RATE_LIMIT_EXCEEDED",
  "message": "Too many requests",
  "retryAfter": 60
}

500 Internal Server Error

object

{
  "error": "INTERNAL_SERVER_ERROR",
  "message": "An unexpected error occurred",
  "details": {}
}

Get Started

API Reference

Create Magic Clips

Create Magic Clips

Authentication

Request Body

Response

Webhook Integration

Webhook Payload Structure

Webhook Response Fields

Error Responses

Get Started

API Reference

​Create Magic Clips

​Authentication

​Request Body

​Response

​Webhook Integration

​Webhook Payload Structure

​Webhook Response Fields

​Error Responses

Create Magic Clips

Authentication

Request Body

Response

Webhook Integration

Webhook Payload Structure

Webhook Response Fields

Error Responses