Libraries tagged by api validation

Argonaut is a lightweight Data Transfer Object (DTO) package for Laravel that supports nested casting, recursive serialization, and validation out of the box. Ideal for service layers, APIs, and clean architecture workflows.

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Verifalia provides a simple HTTPS-based API for validating email addresses and checking whether they are deliverable or not. This library allows to easily integrate with Verifalia and verify email addresses in real-time.

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Official QuickEmailVerification API library client for PHP

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Laravel email validation that uses the Mailgun API for a three-step validation check.

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A lightweight and high-performance PHP validation library designed for enterprise-grade applications. It features zero dependencies, comprehensive test coverage, and a developer-friendly API—enabling teams to build scalable and secure systems with confidence.

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Latest OAuth 2.0 Rest API Wrapper for UPS web services

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Laravel validation rule for UserCheck API

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Framework-agnostic PHP database library with unified API for MySQL, MariaDB, PostgreSQL, SQLite, MSSQL, and Oracle. Query Builder, caching, sharding, window functions, CTEs, JSON, migrations, ActiveRecord, CLI tools, AI-powered analysis. Zero external dependencies.

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Gesso — OpenAPI 3.0/3.1/3.2 contract testing for PHP. Framework-independent core with Laravel, Symfony, Pest, and PSR-7 adapters. PHPUnit coverage, request/response validation, fuzzing, and drift detection.

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Adds phone number functionality to TYPO3 based on Google's libphonenumber API.

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Laravel OpenAPI Validator - Request and response validators based on the OpenAPI Specification.

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USPS Addresses API v3 (OAuth2) for Laravel

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Email-Guard core library for PHP: local email checks (syntax, reserved TLDs, disposable domains) plus optional escalation to the EmailSherlock Verify API.

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Allows parsing data of various structures, meaning the population and validation of data into a defined structure. For example, converting an API request into a Data Transfer Object (DTO).

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Fluent API for building validation rules in Laravel

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