Verify any Indian business in one API call.

curl https://api.apiserver.in/v1/gst/verify \
  -H "Authorization: Bearer as_test_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"gstin":"29AAJCK4821M1Z1"}'

const res = await fetch("https://api.apiserver.in/v1/gst/verify", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.APISERVER_KEY ?? "as_test_YOUR_KEY"}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "gstin": "29AAJCK4821M1Z1"
  }),
});

const { success, data, meta, error } = await res.json();
console.log(meta.charged, meta.amount_inr); // failed calls are never charged

import os, requests

res = requests.post(
    "https://api.apiserver.in/v1/gst/verify",
    headers={
        "Authorization": f"Bearer {os.getenv('APISERVER_KEY', 'as_test_YOUR_KEY')}",
    },
    json={
        "gstin": "29AAJCK4821M1Z1",
    },
    timeout=10,
)
body = res.json()
print(body["meta"]["charged"], body["meta"]["amount_inr"])

<?php
$ch = curl_init('https://api.apiserver.in/v1/gst/verify');
curl_setopt_array($ch, [
    CURLOPT_POST => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        'Authorization: Bearer ' . (getenv('APISERVER_KEY') ?: 'as_test_YOUR_KEY'),
        'Content-Type: application/json',
    ],
    CURLOPT_POSTFIELDS => json_encode([
        'gstin' => '29AAJCK4821M1Z1',
    ]),
]);
$body = json_decode(curl_exec($ch), true);
echo $body['meta']['charged'] ? 'charged' : 'not charged';