Wappalyzer

Operator: Wappalyzer Pty Ltd, Australia

A marketing and sales platform for identifying web technologies, with research, an extension, API and MCP.

Technical Infrastructure

OPSEC caution

When data sharing is enabled, the browser extension sends visited hostnames, detected technologies, language, versions and access counts to Wappalyzer. This data may be shared or sold. Data sharing can be disabled in the extension.

Open website (external website)

Product

Wappalyzer

Availability and source date

Active

As of: 25 October 2026.

Check: 25 October 2026.

Access to the web technology lookup using example.com.

An account is required for web lookups. A free account includes 50 technology lookups per month.

Use in OSINT research

According to the provider, identifies technologies and versions used on a website. Technical profiles and change notifications support website research; other functions serve sales and lead research.

Queries

InputResultResult type
Domain / website + URLA website technology profile with detected applications, frameworks and available versions.
Technical check according to provider
Email addressTechnical email checking through the separate verification function.
Technical check according to provider

Features

  • Identifies CMSs, frameworks and other technologies used on websites.
  • Provides technology profiles and notifications of website changes.
  • Creates lead lists and adds company and contact information.
  • Searches subdomains and verifies email addresses.
  • Analyses websites through browser extensions.
  • Integrates functions through a REST API and an official MCP server.

Categories

  • Technical Infrastructure
  • Internet scanning

Coverage

Dataset

A provider dataset of website technologies and supplementary company data; the browser extension analyses visited websites.

Access

Requirements

Web lookups require an account. A free account includes 50 technology lookups per month. Sign-in by email or Google. The browser extension provides basic technology detection without an account. API and MCP require at least the Business plan.

Export

JSON through the API; a file export format for the web view is not described on the captured pages.

Provider

Wappalyzer Pty Ltd

Country of establishment

Australia

Interfaces

API

Available. A REST API with JSON and an API key for technology lookups, lead lists, subdomains and email verification. From Business upwards.

MCP

Available. An official hosted MCP server with OAuth for website and subdomain queries and quota status. Business is required; a local connector is also available.

AI agents

Available. Official MCP integration for compatible AI applications, including Codex and ChatGPT.

Usage note

Redistribution, publication and integration of licensed data into customer-facing services require written permission.

Limitations

  • API and MCP are included only from Business upwards.

Guides and practical reports

Sources

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