The API You Need to Unlock the Power of Link Intelligence

The Majestic API provides developers, SEO professionals, and businesses with programmatic access to the same backlink database which powers Majestic.com. With over 19 years of historical data and our most recent crawls, our RESTful API delivers the link intelligence required to power applications, enhance SEO strategies, and gain competitive advantage.

Why Choose Majestic API?

Our API provides extensive data points, including link discovery dates, crawl history, anchor text, redirect status, image links, ALT text attributes, link validity status, link types, and nofollow markers: an integrated solution for in-depth bulk backlink checking and reporting on recent and historical data of all backlinks, constantly updated with new features based on reseller and customer feedback.

Built on RESTful principles, our API seamlessly integrates with any programming language or platform. Whether you're conducting backlink analysis, competitor research, or building comprehensive SEO reporting tools, Majestic API scales with your needs while delivering a developer friendly programming model.

Core Functionalities

Dual Index Architecture

Majestic maintains two distinct indexes to serve different needs:

Fresh Index

  • Contains the most recent backlink data with frequent updates. Perfect for monitoring current link-building activity and tracking real-time changes in your backlink profile.

Historic Index

  • The largest commercial index of backlinks available on the web, spanning over 19 years. Essential for comprehensive historical analysis and long-term trend identification.

Our Metrics

Access to Majestic's industry-leading backlink metrics:

  • Trust Flow (TF): Measures the quality of backlinks based on proximity to trusted seed sites
  • Citation Flow (CF): Predicts how influential a URL might be based on backlink count
  • Topical Trust Flow: Categorises link quality by topic and industry
  • Referring Domains Analysis: Comprehensive domain-level link intelligence
  • Anchor Text Data: Detailed anchor text distribution and analysis

Primary API Functionalities

Essential Commands

GetIndexItemInfo

Returns comprehensive information about domains, subdomains, and URLs, including backlink counts and analysis costs.

curl -X POST /api/json -d "authentication_token=&cmd=GetIndexItemInfo&items=example.com&datasource=historic"
Example of a GetIndexItemInfo request

GetBackLinkData

Retrieves detailed backlink information at the domain, subdomain, or URL level with customisable parameters.

curl -X POST /api/json -d "authentication_token=&cmd=GetBackLinkData&item=example.com&count=100&OrderBy=SourceTrustFlow"
Example of a GetBackLinkData request

Advanced Features

  • DownloadBackLinks

    Large-scale backlink retrieval beyond the 50,000 link limit, perfect for comprehensive data exports and bulk analysis.

  • GetRefDomains

    Comprehensive referring domain information with detailed metrics and quality assessments.

  • GetNewLostBackLinks

    Track new and lost backlinks within specified date ranges for ongoing link monitoring.

  • GetAnchorText

    Detailed anchor text analysis with distribution metrics and quality assessments.

Resource Management

The Majestic API uses a sophisticated resource unit system to ensure fair usage and optimal performance:

Resource Unit Types

  • Analysis Units: Used for most API commands and data analysis operations
  • Retrieval Units: Consumed during data retrieval and export operations
  • Index Item Units: Specifically for GetIndexItemInfo commands

Development Sandbox

Test your integration risk-free with our development sandbox. This sandbox offers a small test database, letting you test and debug API access without consuming subscription resources.

Authentication & Access

Majestic API supports two robust authentication methods to suit different integration scenarios:

  • Key based Authentication

    For Internal use, API keys provide authentication for Platinum or API subscribers, providing immediate access to all API functionality to drive agency dashboards and in-house tools.

  • OpenApp Authentication

    Designed for third-party applications requiring both OpenApp private keys and access tokens. Perfect for building commercial applications for the broader Majestic community.

Security First

Industry standard HTTPS is used as transport Layer. Accounts come with API Key management system to enable cycling of API keys and per-key IP limiting.

Documentation & Resources

Get started quickly with our comprehensive documentation and code examples:

  • API Reference Guide

    Complete documentation of all endpoints, parameters, and response formats.

  • Code Connectors

    Ready-to-use connectors for popular programming languages including Python, PHP, and more.

  • GitHub Repository

    Open-source examples and community-contributed tools for rapid development.

  • Command Reference

    Detailed specifications for every API command with usage examples and best practices.

Scale & Transform Your SEO Capabilities

Join the many developers and SEO professionals who trust the Majestic API to power their link intelligence needs. Whether you're looking to enrich your agency dashboard, or integrate into internal processes, Majestic API provides the robust, scalable backlink data you need.

Start Your API Subscription

Writing an app?

If you want to use or offer Majestic data to others via your tool, site or App, we offer reseller plans.

To find out more, get in touch with your use case and we'll see how we can help.

Free SEO Tools - Site Explorer Backlink Profile Data

Majestic provide free SEO Tools, backlink profile data with Site Explorer. You can access a changing example of free backlink profile data on Site Explorer without signup or validation. We've made this easy to access - just press the orange search icon on the homepage.

Try our Site Explorer Tools Now

The SEO Tools in Site Explorer have a low price of entry, included on the Lite plan at just $49.99 per month. For more details of the subscriptions on offer, please visit our plans and pricing page to view without commitment.

* Access to some SEO tools or resources on Majestic.com are dependent on plan and resources.