How to convert PDF to CSV from uploaded file asynchronously for PDF to CSV API in PowerShell and PDF.co Web API

What is PDF.co Web API? It 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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ConvertPdfToCsvFromUploadedFileAsync.ps1

      
# The authentication key (API Key). # Get your own by registering at https://app.pdf.co/documentation/api $API_KEY = "**********************************" # Source PDF file $SourceFile = ".\sample.pdf" # Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'. $Pages = "" # PDF document password. Leave empty for unprotected documents. $Password = "" # Destination CSV file name $DestinationFile = ".\result.csv" # (!) Make asynchronous job $Async = $true # 1. RETRIEVE THE PRESIGNED URL TO UPLOAD THE FILE. # * If you already have a direct file URL, skip to the step 3. # Prepare URL for `Get Presigned URL` API call $query = "https://api.pdf.co/v1/file/upload/get-presigned-url?contenttype=application/octet-stream&name=" + ` [System.IO.Path]::GetFileName($SourceFile) $query = [System.Uri]::EscapeUriString($query) try { # Execute request $jsonResponse = Invoke-RestMethod -Method Get -Headers @{ "x-api-key" = $API_KEY } -Uri $query if ($jsonResponse.error -eq $false) { # Get URL to use for the file upload $uploadUrl = $jsonResponse.presignedUrl # Get URL of uploaded file to use with later API calls $uploadedFileUrl = $jsonResponse.url # 2. UPLOAD THE FILE TO CLOUD. $r = Invoke-WebRequest -Method Put -Headers @{ "x-api-key" = $API_KEY; "content-type" = "application/octet-stream" } -InFile $SourceFile -Uri $uploadUrl if ($r.StatusCode -eq 200) { # 3. CONVERT UPLOADED PDF FILE TO CSV # Prepare URL for `PDF To CSV` API call $query = "https://api.pdf.co/v1/pdf/convert/to/csv" # Prepare request body (will be auto-converted to JSON by Invoke-RestMethod) # See documentation: https://apidocs.pdf.co $body = @{ "name" = $(Split-Path $DestinationFile -Leaf) "password" = $Password "pages" = $Pages "url" = $uploadedFileUrl "async" = $Async } | ConvertTo-Json # 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) { # Asynchronous job ID $jobId = $jsonResponse.jobId # URL of generated CSV 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 CSV file Invoke-WebRequest -Headers @{ "x-api-key" = $API_KEY } -OutFile $DestinationFile -Uri $resultFileUrl Write-Host "Generated CSV file saved as `"$($DestinationFile)`" file." break } elseif ($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 $r.StatusCode + " " + $r.StatusDescription } } 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 "& .\ConvertPdfToCsvFromUploadedFileAsync.ps1" echo Script finished with errorlevel=%errorlevel% pause

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