A free SEO audit API for developers, providing 82 checks per URL across SEO, performance, accessibility, and AI readability.
SEO Score API
A free SEO audit API for developers, providing 82 checks per URL across SEO, performance, accessibility, and AI readability.
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What it does
SEO Score API offers a robust API solution for developers and agencies to programmatically audit any URL. It performs 82 checks across critical areas like on-page SEO, technical performance, accessibility, and AI readability, returning a detailed JSON response in seconds. Users can integrate it into their code, CI/CD pipelines, or AI agents using SDKs for Python, Node, n8n, and GitHub Actions. This allows for continuous monitoring, reporting, and automated SEO improvements.
Who it helps
Primarily targets developers, SEO agencies, and teams building AI agents who need to integrate comprehensive SEO auditing capabilities directly into their workflows and applications.
Why it's interesting
This API provides a powerful, programmatic wedge into the large SEO market, allowing developers to automate tasks traditionally done manually or with complex tools. Its focus on AI readability and integration with AI agents positions it well for future trends. The clear developer-first approach with SDKs and a free tier offers a strong distribution model for adoption.
Card stats
AI-assisted scores estimated from public website information only.
FounderDeck estimate
Medium confidenceFounderDeck estimates SEO Score API at $500,000. This valuation reflects a highly polished, clearly defined API product addressing a significant pain point for developers and agencies in the SEO space. The explicit freemium model and clear path to monetisation, combined with strong technical execution and integration options, suggest solid early potential. The estimate is not higher due to the 'Public Beta' status and the absence of explicit public traction, revenue figures, or team details.
Valuation date: 2026-06-05. Estimate generated from public signals.
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