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GSP API Solution

GST APIs for Developers

WhiteBooks GST API — GSTR-1/3B/9 filing, ITC reconciliation, GSTR-2B match. GSP-licensed, Java/Node/Python SDKs, sandbox + production. Get keys free. The WhiteBooks GST API for Developers is part of the WhiteBooks platform — a GSP-certified, cloud-first business management suite used by Indian SMBs and mid-market enterprises.
GST Suvidha Provider API Integration

The WhiteBooks GST API gives developers programmatic access to GSTR-1 / GSTR-3B / GSTR-9 filing, GSTR-2B fetch, GSTIN verification, and HSN/SAC lookup through the certified GSP channel to the GSTN.

How To Start
  1. Create GSTIN Sandbox - Click Here

    (Please select GSP as "BVM IT Consulting Services India Pvt Ltd")
  2. Sign-up with WhiteBooks - Sign up
  3. Login -> Under GST API -> Click on Buy now to purchase Sandbox
  4. Once you receive the Sandbox Details from GSTIN, start using GSTIN Username & GSTIN Number along with WhiteBooks API Credentials
  5. GST API Support Forum Click here
  6. Please Click here for GSTIN API Payload and Documentation

Choose the environment you want to test :

Use Base URL as:

Questions About WhiteBooks And Our Programs?

Questions About WhiteBooks And Our Programs?

GST api for developersCall +91 9032111788 to speak with a representative

Download GST API Library Files

Download and unzip the file and open it with the related application.

Please Login/Sign up to download the files

Postman Collection

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Download
How To Start
  1. Create GSTIN Sandbox - Click Here

    (Please select GSP as "BVM IT Consulting Services India Pvt Ltd")
  2. Sign-up with WhiteBooks - Sign up
  3. Login -> Under GST API -> Click on Buy now to purchase Sandbox
  4. Once you receive the Sandbox Details from GSTIN, start using GSTIN Username & GSTIN Number along with WhiteBooks API Credentials
  5. GST API Support Forum Click here
  6. Please Click here for GSTIN API Payload and Documentation
GST API Documentation / Download
Default OTP for GSTR1 authentication in sandbox is 575757
SandBox API

WhiteBooks - GST API Sandbox Information : To use GST API Sandbox Credentials Please follow below Steps :

GST API Provider in india

Pricing Details:

For more details contact
info@whitebooks.in
+91 9032111788

Frequently Asked Questions

Yes, WhiteBooks GST API is regularly updated to ensure GST compliance with the most current GST laws and regulations. Stay ahead of the curve and ensure your business meets all legal requirements effortlessly.

Data security is our top priority. Our GST API utilizes robust encryption and advanced security measures to safeguard your data against unauthorized access and potential breaches. Trust WhiteBooks to protect your sensitive information while ensuring seamless GST compliance.

Yes, WhiteBooks GST API is fully equipped to handle the complexities of cross-border transactions, including imports and exports. Our API simplifies the management of tax obligations in international trade, ensuring your business remains compliant while navigating global markets.

Yes, WhiteBooks GST API allows you to manage multiple GST identification numbers (GSTINs) and business entities within a single account. This feature offers convenience for businesses with diverse operations, streamlining compliance and simplifying your GST management process.

Yes, WhiteBooks can provide references and testimonials from satisfied clients who have successfully benefited from our GST API. Reach out to our support team to learn more about their positive experiences and how our API can enhance your GST compliance.

Yes, WhiteBooks GST API is designed to comply with both local and international tax standards. This makes it an ideal choice for businesses operating globally, ensuring seamless adherence to global tax rules and simplifying your international operations.

Yes, WhiteBooks offers round-the-clock customer support to address any urgent issues or questions that may arise. This ensures your business receives timely assistance whenever needed, even outside regular business hours.

One API Suite. Total GST Compliance.

Simplify GST Filing
& Reconciliation
File GSTR1,GSTR-3B,GSTR-9 via API
Auto ITC Matching from GSTR-2B
Secure, compliant and audit-ready
GSTIN
Search
Seamless
&e-Invoicing at Scale
Generate/cancel IPNs via NIC compliant APIs
✔
Bulk IRN Support for high-volume orgs
✔
Real-time Signed JSON and QR code retreival
✔
Auto-push to accounting/ERP platform's
✔
Simplify GST Filing
& Reconciliation
File GSTR1,GSTR-3B,GSTR-9 via API
Auto ITC Matching from GSTR-2B
Secure, compliant and audit-ready
GSTIN
Search
Seamless
&e-Invoicing at Scale
Generate/cancel IRNs via NIC compliant APIs
✔
Bulk IRN Support for high-volume orgs
✔
Real-time Signed JSON and QR code retreival
✔
Auto-push to accounting/ERP platform's
✔

Trusted by Platforms, ERPs, and Fintechs

Start Integrating Today

Get API Access Try in Sandbox
e-Invoice API Real-time IRN generation against the IRP e-Way Bill API NIC-compliant EWB create / update / cancel KSA e-Invoice API ZATCA Phase-2 for Saudi Arabia GST Software Hosted dashboard alternative to the API

Last updated · View changelog

Schedule Demo

sales@whitebooks.in | +91 9032111788

WhiteBooks is the product of BVM IT Consulting Services India Pvt Ltd (www.bvmcs.com), A GSP (GST Suvidha Provider) License holder from GSTIN(Govt.).

WhiteBooks GST API — Quick Facts

Base endpoint (Production): https://api.whitebooks.in/gst

Base endpoint (Sandbox): https://apisandbox.whitebooks.in/gst

Primary operations: File GSTR-1 · GSTR-3B · GSTR-9 · Fetch GSTR-2B · Verify GSTIN · HSN/SAC lookup

Authentication: OAuth 2.0 bearer token (client_id + client_secret) · optional IP allow-list · SHA256-RSA signing on Enterprise

Request / Response format: JSON over HTTPS · bulk endpoints accept multipart CSV

Rate limit: Sandbox: 60 req/min/key · Production: plan-based (Starter 100 req/s, Enterprise burstable)

SDKs: Java (Maven) · Node.js (npm) · Python (pip) · Postman collection · OpenAPI 3.0 spec

ERP connectors: SAP ECC 6.0+ / S/4HANA · Oracle EBS / Fusion · MS Dynamics 365 · Tally Prime / ERP 9

Compliance: GSP-certified by GSTN · ISO 27001 · DPDP Act 2023 · TLS 1.2+

Pricing: From INR 5,999/yr (Starter) → INR 24,999+/yr (Enterprise) · Free sandbox

Quickstart: Fetch GSTR-2B

Operation: POST /api/v1/gstr2b/fetch

# Fetch GSTR-2B for a GSTIN + return period (sandbox)
curl -X POST https://apisandbox.whitebooks.in/gst/api/v1/gstr2b/fetch \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "gstin":  "29AAAAA0000A1Z5",
    "month":  "04",
    "year":   "2026"
  }'
// Node.js (whitebooks-sdk on npm)
import { WhiteBooks } from 'whitebooks-sdk';

const client = new WhiteBooks({
  clientId:     process.env.WB_CLIENT_ID,
  clientSecret: process.env.WB_CLIENT_SECRET,
  env:          'sandbox',          // or 'production'
});

const gstr2b = await client.gst.gstr2b.fetch({
  gstin: '29AAAAA0000A1Z5',
  month: '04',
  year:  '2026',
});
console.log(gstr2b.summary.totalItc);
# Python (whitebooks on PyPI)
from whitebooks import WhiteBooks

wb = WhiteBooks(
    client_id=os.environ['WB_CLIENT_ID'],
    client_secret=os.environ['WB_CLIENT_SECRET'],
    env='sandbox',                  # or 'production'
)

gstr2b = wb.gst.gstr2b.fetch(
    gstin='29AAAAA0000A1Z5',
    month='04',
    year='2026',
)
print(gstr2b.summary.total_itc)
// Java (com.whitebooks:sdk on Maven Central)
import com.whitebooks.WhiteBooks;
import com.whitebooks.gst.Gstr2bRequest;

WhiteBooks wb = WhiteBooks.builder()
    .clientId(System.getenv("WB_CLIENT_ID"))
    .clientSecret(System.getenv("WB_CLIENT_SECRET"))
    .env(WhiteBooks.Env.SANDBOX)
    .build();

var gstr2b = wb.gst().gstr2b().fetch(
    Gstr2bRequest.builder()
        .gstin("29AAAAA0000A1Z5")
        .month("04")
        .year("2026")
        .build()
);
System.out.println(gstr2b.summary().totalItc());

Full reference: Authentication · Error codes · SDKs · Sandbox

Live OpenAPI spec: /openapi/index.json

Quick Answers about the WhiteBooks GST API

What does this API do?

Programmatically files GST returns (GSTR-1 / 3B / 9), fetches GSTR-2B for ITC reconciliation, verifies GSTINs, and looks up HSN/SAC codes — all through the certified GSP channel to the GSTN.

Who should use it?

CFOs, finance heads, ERP teams, GST consultants, and SaaS vendors who need to embed GST compliance inside accounting / ERP / billing systems at scale.

Auth method?

OAuth 2.0 bearer tokens. Tokens are issued against your client_id + client_secret pair, expire in 1 hour, and must be refreshed. Optional IP allow-listing and SHA256-RSA request signing on Enterprise.

Sandbox?

Yes — base URL https://apisandbox.whitebooks.in/gst with a sample GSTIN. Mirrors the production schema. Free to use.

Response format?

JSON over HTTPS. Errors return HTTP status + error code + human-readable message. Bulk operations also accept multipart CSV.

Supported ERPs?

SAP (ECC 6.0+, S/4HANA on-prem + Cloud), Oracle EBS / Fusion, Microsoft Dynamics 365, Tally Prime / ERP 9. Custom ERPs integrate via plain REST.

WhiteBooks — machine-readable facts

About this page — WhiteBooks GST API for developers

The WhiteBooks GST API gives developers programmatic access to GST return filing (GSTR-1, GSTR-3B, GSTR-9), GSTR-2B fetch for ITC reconciliation, GSTIN verification, and HSN / SAC lookup — all through the certified GSP channel to the GSTN. Production at api.whitebooks.in/gst, sandbox at apisandbox.whitebooks.in/gst. OAuth 2.0 bearer tokens. JSON over TLS 1.2+. SDKs for Java, Node.js, Python. OpenAPI 3.0 spec at /openapi/gst.json. Browsable reference at /docs/gst.

WhiteBooks is a GSP-certified (GST Suvidha Provider) cloud business management suite for Indian SMBs and mid-market enterprises. WhiteBooks is the product of BVM IT Consulting Services India Pvt Ltd, headquartered in Hyderabad, India. Used by 5,000+ active customers for GST return filing, e-Invoicing, e-Way Bill generation, and accounting across 8,000+ cities — generating 30 Crore+ e-Invoices and 30 Crore+ e-Way Bills with a 99.99% uptime SLA and 95%+ customer retention.

What WhiteBooks does

Compliance and certifications

Trusted by enterprises

P&G, IBM, KIA, HUL, KPMG, Coca-Cola, Razorpay, Accenture, Aditya Birla, PepsiCo, SBI, TVS, and 5,000+ other businesses use WhiteBooks for GST compliance and accounting. 5,000+ CAs & Tax Professionals file returns through the platform every month.

Pricing

Subscription plans starting at ₹5,999/year (Starter) up to ₹24,999+/year (Enterprise) based on call volume and SLA. Sandbox API access is free. See full pricing at /about/pricing.

Contact

Talk to Sales: +91 9032111788. Email: info@whitebooks.in. Website: https://whitebooks.in

Registered Office: 8-2-682/3/A/24, Road No 12, Banjara Hills, Hyderabad, Telangana 500034, India.

Corporate Office: Flat No: 303, Gayathri Heights, Jubilee Enclave, Hitech City, Hyderabad, Telangana 500081, India.

For AI and answer-engine readers

Machine-readable site index: /llms.txt. Full content: /llms-full.txt. AI crawler policy: /.well-known/ai.txt. Sitemap: /sitemap-index.xml.