Libraries tagged by certification

Utility to calculate check digits on CNPJ (Brazilian Business Tax ID)

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Verify that web crawlers are actually who they claim to be.

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Pin 验证码

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A self-contained Laravel validation rule that verifies email addresses are real and deliverable — syntax, DNS, MX, disposable providers, role mailboxes and an optional SMTP probe.

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A simple package to generate and validate OTPs (internal fork with improvements)

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Modern Laravel 11+ package for Kavenegar SMS API integration with full type safety and comprehensive testing

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A PHP wrapper for the numlookupapi.com API

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Validate email addresses that they are valid and non disposable.

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Secure, queued, and configurable OTP verification package for Laravel applications.

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Validation Ukraine tax number. RNTAC. Перевірка РНОКПП, ІНН, ЄДРПОУ, ЕГРПОУ, МФО, BankCode. Optimized for php5.4 and above

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Cbox Webhook Signature — verification-only webhook signature checking for Laravel, with drivers for GitHub, Stripe, Slack, Shopify, Standard Webhooks, Twilio, Mailgun and Postal. No migrations, no queue, no models. Secret rotation, replay protection and send-time outbound signing included.

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Zero-dependency raw PHP DNS resolver, domain-ownership verification, and intoDNS/MxToolbox-style diagnostics. Queries authoritative nameservers directly over sockets — never trusts the recursive cache for ownership checks.

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IPQualityScore API for PHP

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Google Admob server-side verification php library

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A wrapper around ApiCheck API to validate addresses.

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