Parser/validator for OpenAPI 3.x definitions

Format validation for Ajv v7+

International sales tax calculator for Node (offline, but provides optional online VAT number fraud check). Tax rates are kept up-to-date.

Automatically validate API requests and responses with OpenAPI 3 and Express.

A package for validating VAT numbers

A library for validating credit card fields

TaxJar Sales Tax API for Node

Provides a fast, pretty robust e-mail validator. Only checks form, not function.

Sanity template validator for remote templates

The ajv-8 based validator for @rjsf/core

Internationalised error messages for Ajv JSON validator

A validator for different types of personal ID for multiple countries.

Validator middleware using Zod

A standalone validator for inbound SNS HTTP messages. No dependency on the AWS SDK for JavaScript.

A validator for OpenAPI documents.

Library to validate Fiori project input formats

ESLint plugin that validates data using JSON Schema Validator.

Node.js library for SAML SSO

JSON-Schema compatible validator for web3

Tools to validate package.json files.