How to generate PDF from HTML file for HTML to PDF API in Python using Web API Web API is the flexible Web API that includes full set of functions from e-signature requests to data extraction, OCR, images recognition, pdf splitting and pdf splitting. Can also generate barcodes and read barcodes from images, scans and pdf.

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import os import json import requests # pip install requests # The authentication key (API Key). # Get your own by registering at API_KEY = "**************************" # Base URL for Web API requests BASE_URL = "" # HTML template file_read = open(".\\sample.html", mode='r', encoding= 'utf-8') SampleHtml = file_read.close() # Destination PDF file name DestinationFile = ".\\result.pdf" def main(args = None): GeneratePDFFromHtml(SampleHtml, DestinationFile) def GeneratePDFFromHtml(SampleHtml, destinationFile): """Converts HTML to PDF using Web API""" # Prepare requests params as JSON # See documentation: parameters = {} # Input HTML code to be converted. Required. parameters["html"] = SampleHtml # Name of resulting file parameters["name"] = os.path.basename(destinationFile) # Set to css style margins like 10 px or 5px 5px 5px 5px. parameters["margins"] = "5px 5px 5px 5px" # Can be Letter, A4, A5, A6 or custom size like 200x200 parameters["paperSize"] = "Letter" # Set to Portrait or Landscape. Portrait by default. parameters["orientation"] = "Portrait" # true by default. Set to false to disable printing of background. parameters["printBackground"] = "true" # If large input document, process in async mode by passing true parameters["async"] = "false" # Set to HTML for header to be applied on every page at the header. parameters["header"] = "" # Set to HTML for footer to be applied on every page at the bottom. parameters["footer"] = "" # Prepare URL for 'HTML To PDF' API request url = "{}/pdf/convert/from/html".format( BASE_URL ) # Execute request and get response as JSON response =, data=parameters, headers={ "x-api-key": API_KEY }) if (response.status_code == 200): json = response.json() if json["error"] == False: # Get URL of result file resultFileUrl = json["url"] # Download result file r = requests.get(resultFileUrl, stream=True) if (r.status_code == 200): with open(destinationFile, 'wb') as file: for chunk in r: file.write(chunk) print(f"Result file saved as \"{destinationFile}\" file.") else: print(f"Request error: {response.status_code} {response.reason}") else: # Show service reported error print(json["message"]) else: print(f"Request error: {response.status_code} {response.reason}") if __name__ == '__main__': main()



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