Validate llms.txt File in Node.js
The llms.txt specification tells AI systems which pages to prioritize and how to cite your content. This endpoint validates your llms.txt file against the spec, checks for common mistakes, and suggests improvements.
Endpoint
POST /api/v1/llmstxt/validate
Node.js Code
const response = await fetch("https://seodiff.io/api/v1/llmstxt/validate", {
method: "POST",
headers: {
"Authorization": `Bearer ${process.env.SEODIFF_API_KEY}`,
"Content-Type": "application/json",
},
body: JSON.stringify({"url":"https://example.com/llms.txt"}),
});
const data = await response.json();
console.log("Status:", data.status);Example Response
{"valid":true,"warnings":["Consider adding a 'preferred-citation' field"],"sections_found":3,"urls_listed":12}Authentication
All requests require an API key in the Authorization: Bearer header. Get your API key →
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