​
Request

Content-Type: multipart/form-data The POST request should be a multipart form request containing the file to be uploaded.

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Query Parameters

NameTypeRequiredDescription
chunk_sizeintegerNoThe chunk size (in tokens) applied when splitting the document
chunk_overlapintegerNoThe chunk overlap (in tokens) applied when splitting the document

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Authentication

Before making requests to the AI Tutor RAG API, you need to obtain your API key from your dashboard.

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Example Request

const formData = new FormData();
formData.append("file", files[0]); // Accepts PDF (.pdf) or text (.txt) files

const response = await fetch("https://rag-api-llm.up.railway.app/upload_file", {
  method: "POST",
  headers: {
    "authorization": apiKey,
  },
  body: formData,
});
Response 
{
  "success": true,
  "message": "PDF file processed successfully",
  "file_id": "4db6b5d7-b199-4bfd-9914-6991cb4ba3b6",
  "file_name": "elon_musk.txt",
  "chunks": 2,
  "chunk_size": 1000,
  "chunk_overlap": 200
}
File Requirements Requirement Description File Types PDF (.pdf) or text (.txt) files only Maximum Size 10MB Download CSV Error Responses 
{
  "success": false,
  "error": {
    "message": "Invalid file type. Only PDF and TXT files are supported",
    "code": "invalid_file_type"
  }
}


{
  "success": false,
  "error": {
    "message": "File size exceeds maximum limit of 10MB",
    "code": "file_too_large"
  }
}





{
  "success": false,
  "error": {
    "message": "Invalid API key provided",
    "code": "unauthorized"
  }
}