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Extract Video API Documentation

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Description

This endpoint extracts structured data from video files based on a user-defined prompt. It supports input via URL or base64-encoded video content and uses vision-capable Large Language Models (LLMs) to interpret and extract relevant information from the videos. Please note that this endpoint is charged per second of video duration!

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Endpoint

POST https://app.dumplingai.com/api/v1/extract-video

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Headers

  • Content-Type: application/json
  • Authorization: Bearer <API_KEY> (required)

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Request Body

{
  "inputMethod": "string", // Required. Either "url" or "base64".
  "video": "string", // Required. URL or base64-encoded video content.
  "prompt": "string", // Required. The prompt describing the data to extract.
  "jsonMode": boolean // Optional. Whether to return the result in JSON format. Default: false.
}

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Responses

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Success (200)

Returns the extracted data based on the provided prompt, along with additional information. 
{
  "results": "string", // Extracted data based on the prompt
  "prompt": "string", // The original prompt used for extraction
  "videoDuration": number, // Duration of the video in seconds
  "creditUsage": number // Total credits used for this request
}
  • Content-Type: application/json
  • X-RateLimit-Limit: The rate limit for the user.
  • X-RateLimit-Remaining: The remaining number of requests for the user.

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Bad Request (400)

Returned if the request is invalid or the video file exceeds size or duration limits. 
{
  "error": "Error message describing the issue"
}

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Unauthorized (401)

Returned if the API key is invalid or missing. 
{
  "error": "Invalid or missing Authorization header"
}

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Internal Server Error (500)

Returned if there’s an error during the video extraction process. 
{
  "error": "Failed to extract video data: [error details]"
}

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Example Request

curl -X POST https://app.dumplingai.com/api/v1/extract-video \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
  "inputMethod": "url",
  "video": "https://example.com/sample-video.mp4",
  "prompt": "Describe the main events in this video.",
  "jsonMode": false
}'

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Notes

  • The maximum file size for a video is 2GB.
  • The maximum video duration is 1 hour (3600 seconds).
  • Supported video formats: mp4, mpeg, mov, avi, flv, mpg, webm, wmv, 3gpp
  • Credit usage:
    • Base cost: 10 credits
    • Additional 1 credit per second of video duration
  • The total credit usage is returned in the response as creditUsage.
  • If using the URL method, ensure the video is publicly accessible.
  • The jsonMode parameter determines whether the output is formatted as JSON (true) or plain text (false).
  • The endpoint uses the Gemini 1.5 Pro model for video analysis and data extraction.
  • Temporary files are created during processing and are deleted after use.
  • You can get a list of supported video formats by calling:
GET /api/v1/extract-video

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Rate Limiting

Rate limit headers (X-RateLimit-Limit and X-RateLimit-Remaining) are included in the response to indicate the user’s current rate limit status.

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Error Handling

  • If the required parameters (video or prompt) are missing, a 400 Bad Request error is returned.
  • If the video file size exceeds 2GB, a 400 Bad Request error is returned.
  • If the video duration exceeds 1 hour, a 400 Bad Request error is returned.
  • If there’s an error during extraction, a 500 Internal Server Error is returned with details about the failure.

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Security and Privacy

  • Uploaded videos are temporarily stored and then deleted after processing.
  • Video metadata (including duration) is checked using a separate Python service before processing.