JavaScript integration
GSTIN Verification API with JavaScript
Use this JavaScript example to call GET /v1/gstin/{gstin} with an API key. This page contains a language-specific snippet, auth notes and links back to full docs — not a thin doorway duplicate.
What you need
- An API Seeker key (Free plan is enough to start)
- Base URL
https://gstchk.apiseeker.com - Path
/v1/gstin - Header authentication via
X-API-Key
JavaScript example
JavaScript
const res = await fetch("https://gstchk.apiseeker.com/v1/gstin/29ABCDE1234F1Z5", {
method: "GET",
headers: {
"X-API-Key": "YOUR_API_KEY",
},
});
const data = await res.json();
console.log(data);Expected response shape
JSON
{
"gstin": "29ABCDE1234F1Z5",
"valid": true,
"legalName": "Example Private Limited",
"tradeName": "Example",
"status": "Active",
"stateCode": "29"
}