How to read barcode from URL for barcode reader API in PowerShell and PDF.co Web API

How to read barcode from URL for barcode reader API in PowerShell: How To Tutorial

On this page you will learn from code samples for programming in PowerShell. PDF.co Web API was made to help with barcode reader API in PowerShell. PDF.co 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.

Fast application programming interfaces of PDF.co Web API for PowerShell plus the instruction and the code below will help to learn how to read barcode from URL. Follow the instruction and copy – paste code for PowerShell into your project’s code editor. Test PowerShell sample code examples whether they respond your needs and requirements for the project.

Trial version of ByteScout is available for free download from our website. This and other source code samples for PowerShell and other programming languages are available.

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ReadBarcodeFromURL.ps1

      
# The authentication key (API Key).
# Get your own by registering at https://app.pdf.co/documentation/api
$API_KEY = "***********************************"

# Direct URL of source file to search barcodes in.
$SourceFileURL = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/barcode-reader/sample.pdf"
# Comma-separated list of barcode types to search. 
# See valid barcode types in the documentation https://app.pdf.co/documentation/api/1.0/barcode/read_from_url.html
$BarcodeTypes = "Code128,Code39,Interleaved2of5,EAN13"
# Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'.
$Pages = ""


# Prepare URL for `Barcode Reader` API call
$query = "https://api.pdf.co/v1/barcode/read/from/url"

# Prepare request body (will be auto-converted to JSON by Invoke-RestMethod)
# See documentation: https://apidocs.pdf.co
$body = @{
    "types" = $BarcodeTypes
    "pages" = $Pages
    "url" = $SourceFileURL
} | ConvertTo-Json

try {
    # Execute request
    $response = Invoke-WebRequest -Method Post -Headers @{ "x-api-key" = $API_KEY; "Content-Type" = "application/json" } -Body $body -Uri $query

    $jsonResponse = $response.Content | ConvertFrom-Json

    if ($jsonResponse.error -eq $false) {
        # Display found barcodes in console
        foreach ($barcode in $jsonResponse.barcodes)
        {
            Write-Host "Found barcode:"
            Write-Host "  Type: " $barcode.TypeName
            Write-Host "  Value: " $barcode."Value"
            Write-Host "  Document Page Index: " $barcode."Page"
            Write-Host "  Rectangle: " $barcode."Rect"
            Write-Host "  Confidence: " $barcode."Confidence"
            Write-Host ""
        }
    }
    else {
        # Display service reported error
        Write-Host $jsonResponse.message
    }
}
catch {
    # Display request error
    Write-Host $_.Exception
}

run.bat

      
@echo off

powershell -NoProfile -ExecutionPolicy Bypass -Command "& .\ReadBarcodeFromURL.ps1"
echo Script finished with errorlevel=%errorlevel%

pause

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