Use Case

Sitemap API for Technical SEO

Audit sitemaps across a portfolio of sites

Written by SitemapKit Editorial TeamUpdated: Jul 21, 2026

For agencies and enterprises managing multiple websites, SitemapKit enables automated sitemap health checks. Verify sitemap structure, check for errors, and monitor sitemap coverage across your entire portfolio.

Expected outcome

A repeatable workflow for technical seo that turns sitemap data into a structured result your team can validate and reuse.

Before you start

  • A SitemapKit API key stored in a server-side environment variable.
  • A target domain or sitemap URL and a clear success criterion for the technical seo workflow.

Implementation workflow

  1. 1

    Define the workflow objective

    Start from this concrete goal: Audit sitemaps across a portfolio of sites

  2. 2

    Request the sitemap data

    Use the implementation example below from server-side code and pass the target domain or sitemap URL required by the workflow.

  3. 3

    Validate and reuse the result

    Check the returned sitemap URLs and page records against the expected outcome for technical seo before sending the data to the next system.

Why use SitemapKit?

  • Automated sitemap health checks across all client sites
  • Detect sitemap errors before search engines do
  • Monitor URL count trends over time
  • Verify lastmod accuracy

Implementation example

const sites = ["client1.com", "client2.com", "client3.com"];

for (const site of sites) {
  const res = await fetch("https://sitemapkit.com/api/v1/sitemap/full", {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "x-api-key": "YOUR_API_KEY",
    },
    body: JSON.stringify({ url: site }),
  });
  const data = await res.json();
  console.log(`${site}: ${data.urls.length} URLs, ${data.sitemaps.length} sitemaps`);
}

Continue with SitemapKit

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