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Best backlink quality APIs

Keyword Domain Analyzer

Receive a domain and a keyword, returning advanced SEO metrics: backlinks, authority, references, positions, inlink rank, and contextual relevance.

Data & Analytics Free 7-Day Trial

100% uptime 249ms avg MCP ready

Backlinq API for SEO Backlink Intelligence

Affordable domain authority scores, backlink profiles, referring domains, and multi-domain comparisons. Powered by Moz, Open PageRank, and Common Crawl without the $1,200/year price tag.

Data & Analytics Free 7-Day Trial

100% uptime 523ms avg MCP ready

URL Status Validator API

Ensure your links are active with our URL Status Validator API for seamless browsing.

Tools & Utilities Free 7-Day Trial

100% uptime 316ms avg MCP ready

URL Health Check API

Monitor and analyze website performance using the URL Health Check API for improved user engagement.

Tools & Utilities Free 7-Day Trial

100% uptime 335ms avg MCP ready

URL Status Check API

Ensure your website's reliability with our URL Status Check API, optimizing user experience effortlessly.

Tools & Utilities Free 7-Day Trial

100% uptime 415ms avg MCP ready

Domain Relevance Insights API

Automate SEO auditing with data on domain/page authority, backlinks, and referring domains for efficient strategy building.

Data & Analytics Free 7-Day Trial

100% uptime 608ms avg MCP ready

Domain Quality Checker API

Input a domain and receive its SEO power using Ahrefs Rank and Domain Rating, streamlining decision-making for marketers and developers.

Data & Analytics Free 7-Day Trial

100% uptime 57ms avg MCP ready

Affordable Backlink Intelligence Backlinq API for SEO

Unlock affordable backlink intelligence to boost your SEO strategy effectively with Backlinq API.

Data & Analytics Free 7-Day Trial

100% uptime 307ms avg MCP ready

Domain Authority Checker Backlinq API for SEO

Instantly check domain authority to enhance your website's credibility and SEO rankings with Backlinq API.

Data & Analytics Free 7-Day Trial

100% uptime 308ms avg MCP ready

Simple Backlink Profile Checker Backlinq API for SEO

Quickly check backlink profiles to optimize your site’s SEO health using the user-friendly Backlinq API.

Data & Analytics Free 7-Day Trial

100% uptime 321ms avg MCP ready

Boost Link Analytics API

Track and compare domain/page authority metrics to optimize digital marketing and link-building campaigns.

Data & Analytics Free 7-Day Trial

100% uptime 641ms avg MCP ready

Retrieve Broken Links API

Discover and eliminate dead ends with the Retrieve Broken Links API, enhancing your site's integrity and SEO.

Tools & Utilities Free 7-Day Trial

100% uptime 790ms avg MCP ready

SEO Link Insight Fetch API

Unlock powerful insights into your SEO links with our Link Insight Fetch API, improving your site's ranking potential.

Data & Analytics Free 7-Day Trial

SEO Backlink Data Capture API

Capture essential SEO backlink data effortlessly, empowering your marketing efforts with our Backlink Data Capture API.

Data & Analytics Free 7-Day Trial

Retrieve Backlink Insights API

Discover valuable backlink insights to drive your SEO success with our intuitive Retrieve Backlink Insights API.

Data & Analytics Free 7-Day Trial

Referral Domain Checker API

The Referral Domain Checker API provides users with the ability to retrieve referral domains of a website, along with backlink counts and ranks. With this API, users can gain valuable insights into the sources of traffic and backlinks to a website, enabling analysis and optimization of their online presence.

Data & Analytics Free 7-Day Trial