How to generate PDF from large HTML file for HTML to PDF API in PowerShell and PDF.co Web API

PDF.co Web API is the Web API with a set of tools for documents manipulation, data conversion, data extraction, splitting and merging of documents. Includes image recognition, built-in OCR, barcode generation and barcode decoders to decode bar codes from scans, pictures and pdf.

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GeneratePdfFromHtml.ps1

      
# The authentication key (API Key). # Get your own by registering at https://app.pdf.co/documentation/api $API_KEY = "**************************************" # HTML input $HtmlInput = [IO.File]::ReadAllText(".\sample.html") # Destination PDF file name $DestinationFile = ".\result.pdf" # Prepare URL for HTML to PDF API call $query = "https://api.pdf.co/v1/pdf/convert/from/html" $query = [System.Uri]::EscapeUriString($query) # Prepare request body (will be auto-converted to JSON by Invoke-RestMethod) # See documentation: https://apidocs.pdf.co $body = @{ "html" = $HtmlInput "name" = $(Split-Path $DestinationFile -Leaf) "async" = $true # Make asychronous job } | ConvertTo-Json try { # Execute request $response = Invoke-WebRequest -Method Post -Headers @{ "x-api-key" = $API_KEY; "Content-Type" = "application/json" } -Body $body -Uri $query if ($response.StatusCode -eq 200) { $jsonResponse = $response.Content | ConvertFrom-Json if ($jsonResponse.error -eq $false) { # Asynchronous job ID $jobId = $jsonResponse.jobId # URL of generated PDF file that will available after the job completion $resultFileUrl = $jsonResponse.url # Check the job status in a loop. do { $statusCheckUrl = "https://api.pdf.co/v1/job/check?jobid=" + $jobId $jsonStatus = Invoke-RestMethod -Method Get -Headers @{ "x-api-key" = $API_KEY } -Uri $statusCheckUrl # Display timestamp and status (for demo purposes) Write-Host "$(Get-date): $($jsonStatus.status)" if ($jsonStatus.status -eq "success") { # Download PDF file Invoke-WebRequest -Headers @{ "x-api-key" = $API_KEY } -OutFile $DestinationFile -Uri $resultFileUrl Write-Host "Generated PDF file saved as `"$($DestinationFile)`" file." break } elseif ($jsonStatus.status -eq "working") { # Pause for a few seconds Start-Sleep -Seconds 3 } else { Write-Host $jsonStatus.status break } } while ($true) } else { # Display service reported error Write-Host $jsonResponse.message } } else { # Display request error status Write-Host $response.StatusCode + " " + $response.StatusDescription } } catch { # Display request error Write-Host $_.Exception }

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