GST API Pricing — Starter to Enterprise

Transparent annual pricing — Talk to sales for production tier — free sandbox available. Free sandbox, all endpoints included, 99.99% SLA at Enterprise.

Get sandbox keys → View OpenAPI docs Talk to sales

What is the GST API Pricing — Starter to Enterprise?

WhiteBooks GST API is priced via simple annual tiers — Pricing follows a custom-quote model tailored to your call volume, ERP integrations, and SLA tier.

Every tier includes sandbox access, OpenAPI specs, all 6 SDKs (Java / Node / Python / Go / Ruby / C#), Postman collections, and standard support. Enterprise adds 99.99% uptime SLA, dedicated account manager, custom rate limits, and the option to negotiate volume-based pricing for >100K monthly returns.

Quick spec

Code examples

curl Node.jsPythonJava 
curl -X GET 'https://apisandbox.whitebooks.in/gst/api/v1/usage/current' \
  -H 'Authorization: Bearer YOUR_TOKEN' \
  -H 'Content-Type: application/json'
Node.js 
const res = await fetch('https://apisandbox.whitebooks.in/gst/api/v1/usage/current', {
  method: 'GET',
  headers: {
    'Authorization': 'Bearer ' + accessToken,
    'Content-Type': 'application/json',
  },
});
const data = await res.json();
Python 
import requests

resp = requests.get(
    'https://apisandbox.whitebooks.in/gst/api/v1/usage/current',
    headers={'Authorization': f'Bearer {access_token}'},
)
data = resp.json()
Java 
HttpRequest req = HttpRequest.newBuilder()
    .uri(URI.create("https://apisandbox.whitebooks.in/gst/api/v1/usage/current"))
    .header("Authorization", "Bearer " + accessToken)
    .header("Content-Type", "application/json")
    .GET()
    .build();
HttpResponse<String> resp = HttpClient.newHttpClient()
    .send(req, BodyHandlers.ofString());

Integrate in 3 steps

  1. Sign up at accounts.whitebooks.in — sandbox credentials issued instantly, no sales gate.
  2. Make your first call against the sandbox base URL using the code example above. Validate against your local model.
  3. Move to production once your tests pass — switch host to https://api.whitebooks.in/gst. Same payload, same response shape.

Frequently asked questions

Is there a free trial?

Yes — sandbox access is free forever with full feature parity. Production access begins on plan purchase.

Are SDKs free with every tier?

Yes. Java (Maven), Node (npm), Python (pip), Go, Ruby, and C# SDKs are open-source and free to use.

Do tiers stack across APIs?

No — each plan covers all GST APIs (GSTR-1/3B/9, GSTR-2B, GSTIN verify, HSN/SAC). e-Invoice and e-Way Bill have separate plans.

What's included in Enterprise?

Dedicated account manager, 99.99% uptime SLA with service credits, custom rate limits, security review on request, contractual MSA option.

Explore the full GST API

This is one endpoint inside the WhiteBooks GST API suite. See the full documentation — every endpoint, every parameter, every error code.

Open the GST API page →

Related GST API endpoints

GSTR-1 Filing API → GSTR-2B Fetch API → GSTR-3B Filing API → GSTR-9 Annual Return API →
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