Validate PDF/A PHP Overview

Integrate PDF/A validation into your application with a PHP SDK that implements the industry-standard veraPDF validation rules to verify documents against the ISO 19005 archival specification. The endpoint checks conformance for PDF/A-1a, PDF/A-1b, PDF/A-2a, PDF/A-2b, PDF/A-2u, PDF/A-3a, PDF/A-3b, PDF/A-3u, and PDF/A-4, returning a structured JSON report with the detected version and a detailed list of any compliance violations. Built for high-throughput archival pipelines, legal e-filing systems, government submissions, and any document workflow requiring verifiable long-term preservation.

Lightning Fast Validation

Validate PDF/A documents in seconds against the full ISO 19005 ruleset on our high-performance cloud infrastructure.

Accuracy Guaranteed

veraPDF-aligned validation rules ensure consistent, industry-standard compliance results across all PDF/A versions.

Enterprise-Grade Security

ISO 27001, HIPAA, and GDPR compliant with encrypted file processing and zero data retention after validation.

Global Infrastructure

Strategically located servers ensure low latency and high availability for archival workflows worldwide.

Developer Friendly

Comprehensive SDKs and clear documentation make integrating PDF/A compliance checks into any workflow simple.

Detailed Compliance Reports

Receive structured JSON reports listing the detected conformance level and every PDF/A violation found.

Customizable Parameters

Fine-tune your automation with these powerful conversion options

File

File Supported formats: .pdf

File to be converted. Value can be URL or file content.

Password

String

Sets the password to open protected PDF.

ExpectedConformance

Collection Default: auto

Set target PDF/A conformance. Validate against a specific version, or use auto to detect the document’s claimed level.

Values: auto pdfA1a pdfA1b pdfA2a pdfA2b pdfA2u pdfA3a pdfA3b pdfA3u pdfA4 pdfA4e pdfA4f

StoreFile

Bool Default: False

When the StoreFile parameter is set to True, your converted file is written to ConvertAPI’s encrypted, temporary storage and made available via a time-limited secure download URL, valid for up to 3 hours. After this period, the file is permanently deleted.

When StoreFile is set to False, conversion happens entirely in-memory. The raw file bytes are streamed back in the API response without touching disk or external storage, ensuring maximum security and zero persistence so that only you can access the content.

Step-by-Step Guide

Easy Validate PDF/A integration programmatically using our simple library for PHP

1. Install the PHP SDK

ConvertAPI provides a PHP library that allows you to perform a Validate PDF/A conversion with just a few lines of code. Validate PDF/A documents using PHP programming language with no effort at all!

                    Execute the following command in your project root:
                
composer require convertapi/convertapi-php

Or install it manually using ConvertApi autoloader:

Following extensions are required: curl & json

require_once('/path/to/convertapi-php/lib/ConvertApi/autoload.php');

Composer GitHub

2. Validate PDF/A - complete code snippet for PHP

Once you have your authentication in place, simply copy-paste this pdfa to validate conversion code snippet into your PHP project:

Validate PDF/A in PHP

// Code snippet is using the ConvertAPI JavaScript Client: https://github.com/ConvertAPI/convertapi-library-js

// Code snippet is using the ConvertAPI Node.js Client: https://github.com/ConvertAPI/convertapi-nodejs

// Code snippet is using the ConvertAPI PHP Client: https://github.com/ConvertAPI/convertapi-php

// Code snippet is using the ConvertAPI Java Client: https://github.com/ConvertAPI/convertapi-java

// Code snippet is using the ConvertAPI C# Client: https://github.com/ConvertAPI/convertapi-dotnet

# Code snippet is using the ConvertAPI Ruby Client: https://github.com/ConvertAPI/convertapi-ruby

# Code snippet is using the ConvertAPI Python Client: https://github.com/ConvertAPI/convertapi-python

// Code snippet is using the ConvertAPI Go Client: https://github.com/ConvertAPI/convertapi-go

REM Code snippet is using the command line utility program: https://github.com/ConvertAPI/convertapi-cli

Integrate within minutes

Easy Validate PDF/A automation using our simple PHP SDK

GitHub Repository

Explore the source code and examples on GitHub.

Composer Package

View ConvertAPI package and versions on the Composer Packagist.

PHP SDK Documentation

Read more about the ConvertAPI PHP SDK capabilities.

Try the Validate PDF/A conversion online

Try it Free

Compatible With all PHP Frameworks & Tools

Businesses trust us

Highest rated File Conversion API on major B2B software listing platforms: Capterra, G2, and Trustpilot.

"ConvertAPI has been a game-changer for our document automation workflows. Their conversion accuracy and API reliability are unmatched in the industry for over 7 years."

"ConvertAPI is a reliable, cost-effective solution with a proven track record of stability. It has grown significantly in maturity, adopting enterprise-grade practices over the years."

"We've integrated ConvertAPI across our entire document processing platform. The performance is exceptional and the support team is always responsive. Highly recommended!"

Enterprise-Grade Security

We ensure that all document processing is handled securely in the cloud, adhering to industry-leading standards like ISO 27001, GDPR, and HIPAA. To enhance security even further, we can ensure that no files or data are stored on our servers and never leave your country.

Learn more about security

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Validate PDF/A PHP

veraPDF-based PDF/A validation PHP library to verify ISO 19005 compliance and conformance levels for archival documents.

Validate PDF/A in PHP