PDF.co Web API - HTML To PDF API - PowerShell - Generate PDF From HTML File

printable version:
PDF-co-Web-API-PowerShell-Generate-PDF-From-HTML-File.pdf

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

PDF.co Web API is the Rest API that provides set of data extraction functions, tools for documents manipulation, splitting and merging of pdf files. Includes built-in OCR, images recognition, can generate and read barcodes from images, scans and pdf.

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Web API (on-demand version)

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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/?#1-json-pdfconvertfromhtml
$body = @{
    "html" = $HtmlInput
    "name" = $(Split-Path $DestinationFile -Leaf)
} | 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) {
            # Get URL of generated PDF file
            $resultFileUrl = $jsonResponse.url;
            
            # Download PDF file
            Invoke-WebRequest -Headers @{ "x-api-key" = $API_KEY } -OutFile $DestinationFile -Uri $resultFileUrl

            Write-Host "Generated PDF file saved as `"$($DestinationFile)`" file."
        }
        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
}