Pricing

Pay per event

JSON Validator

This actor validates JSON strings and reports syntax errors with positions. It also formats valid JSON, detects the type (object/array/string/number/boolean/null), counts keys or array elements, and measures nesting depth. Useful for data pipeline QA and bulk JSON validation.

Pricing

Pay per event

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Developer

Stas Persiianenko

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Monthly active users

a month ago

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JSON Validator — Validate and Check JSON Syntax Fast API through CLI

The Apify CLI is the official tool that allows you to use JSON Validator locally, providing convenience functions and automatic retries on errors.

Install Apify CLI

Using installation script (macOS/Linux):

$curl -fsSL https://apify.com/install-cli.sh | bash

Using installation script (Windows):

$irm https://apify.com/install-cli.ps1 | iex

Using Homebrew:

$brew install apify-cli

Using npm:

$npm install -g apify-cli

Other API clients include:

JSON Validator API in Python

JSON Validator API in JavaScript

JSON Validator OpenAPI definition

JSON Validator API

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automation-lab/html-validator

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Regex Tester

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Website Content Extractor

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YouTube Hashtag Extractor 🎯

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Extract hashtags from YouTube videos automatically. Get organized hashtag data in both array and text formats for easy social media management and content analysis.