#validator

ESLint rules that validate JSON, JSONC, JSON5, YAML, TOML, Markdown frontmatter, JavaScript exports, and Vue custom blocks against their schema.

Go library for JSON Schema Draft 2020-12 validation with enhanced outputs and multilingual error messages

Resolving Swagger/OpenAPI 2.0 and 3.0 Parser

The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)

IAB VAST, VMAP, and DAAST validator. Hosted MCP at https://vastlint.org/mcp (auth none).

JSON Schema validator for Draft 2020-12, draft 7 and the v1 dialect. Compiles schemas to plain JavaScript on first use, falls back to an interpreter where code generation is blocked, and points at the line that failed. No required binaries.

Vue 2/3 isomorphic JSON editor, viewer, formatter and validator.

Validate and format international phone numbers

Validate Spanish NIF, DNI, NIE and CIF numbers in JavaScript/TypeScript. Official rules (BOE/AEAT), zero dependencies, typed, ESM+CJS, messages in 5 languages.

Cadence core contracts of the Flow network. Staking, delegation, epochs, service account, and FLOW token. The protocol contracts of Flow

A validation module checking Cloudflare Turnstile tokens

A validation module checking for disposable email addresses via online sources

JSON Schema (draft 2020-12) and validation helpers for Slack Block Kit payloads.

📃 Provides a composer package with a JSON schema validator, building on top of justinrainbow/json-schema.

Rust newtype with guarantees 🇺🇦 🦀

Yet Another Validation for Java (A lambda based type safe validation framework)

A .NET authorization filter for requiring Cloudflare sourced traffic

A validation module checking if a particular request has a Cloudflare origin certificate

A validator for Azure Functions that verifies incoming requests originate from Cloudflare by checking the client certificate thumbprint.

Generates a random valid 10-digit phone number using Bogus

A validation module checking the syntax of Employer identification numbers (EINs)

A validation module checking for the existance of domain MX records

A validation module for checking email syntax

A validation module that checks for keys, stores them, expires them after an amount of time

A validation module checking if a given phone number is possible

A foundational object for all things related to validation

A validation module checking for Yahoo account existence

TypeScript validation library, compose validators and nested containers onto object paths, with integrations for Zod, Standard Schema, validator.js, and Vue 3.