Rack validation middleware using Swagger

Adds CPF, CNPJ and Email validation

Similar to strong_parameters, but adds type validation and makes it possible to retrieve the invalid or unpermitted parameters

Gem for turning off validations and callbacks in test environment

ActiveRecord Tableless provides a simple mixin for creating models that are not bound to the database. This approach is mostly useful for capitalizing on the features ActiveRecord::Validation

Simple YML validation

Library for validation of czech bank account numbers

Params validations for Ruby on Rails

A Rails engine for semantic HTML forms with enforced internationalization. Provides reusable form components with built-in accessibility, validation states, and strict i18n requirements.

A flexible DSL for defining strongly-typed data models with automatic parsing, nested associations, dynamic types, and ActiveModel validations

EnvCheck is a lightweight Ruby gem that ensures your required and optional environment variables are present and valid before your app boots. Features smart config discovery (.env_check.yml or config/env_check.yml), comprehensive type validation with 9 built-in validators, .env loading with doten...

GraphQL Authorizer is built to provide request signature, timestamp validation, endpoint blocking and throttling using `rack-attack` gem.

UUIDParameter handles a :uuid column and validation for any model.

Signed Message Authentication and Authorization with Key validation

Run OCLint validation with oclint-json-compilation-database and fastlane :dart: :rocket:

Perform validation of the low level firmware of Apple T2 computers to ensure that nothing evil lurks.

Extended validation using the German Bundeszentralamt für Steuern XML RPC API

This is a simple validation gem

Provides a simple way to define a configuration with validation

Tools to help validate web pages. Gathers validation results from multiple sources, providing a single interface for both requests and responses.