Bulk GST To Contact Report Download API
The Bulk GST to Contact Report Download API enables businesses to fetch verified contact details (mobile numbers, emails, and business information) from GSTINs in bulk. Designed for fintech, lending, CRM, and KYC automation, this API delivers high-speed, reliable, and scalable GST-based contact intelligence.
Government of India
Registration Certificate
Form GST REG-06 [See Rule 10(1)]
Registration Number: 37AAAAA0000A1Z5
| Legal Name | Your Private Limited Company |
| Trade Name | Brand / Trading Name |
| Constitution | Private Limited Company |
| Address | Sector 62, Noida, Gautam Buddha Nagar, Uttar Pradesh, 201301 |
Date of Liability: 01/01/2026
Period of Validity: From 01/01/2026 To NA
Note: To be prominently displayed at business place.
DIGITAL SEAL
Approving Authority
Andhra Pradesh State Tax
Type of Registration
Regular Taxpayer
DIGITALLY VERIFIED SIGNATURE
Officer: VARIGONDA GIRIJA
Designation: GST Officer
Jurisdiction: CHITTOOR-I
Timestamp: 2026-04-06T15:40:22Z
System Generated Document
No signature required manually
Bulk GST to Contact & Report Download
Convert thousands of GSTINs into detailed contact reports and compliance data via our automated API.
1. Upload GSTINs
Submit a list or bulk array of 15-digit GST identification numbers through the API endpoint.
2. Bulk Process
Our engine extracts contact details, filing history, and registration status for the entire batch.
3. Download Report
Get a comprehensive JSON or Excel-ready report containing verified business and contact info.
Why Use Our Bulk GST Report API?
Automate your vendor master cleanup and communication workflows with high-accuracy contact data extraction.
Contact Extraction
Retrieve authorized signatory details and business contact information for seamless communication.
Bulk Download
Download detailed compliance reports for thousands of vendors in a single API call.
Compliance Audit
Assess the reliability of your supply chain by analyzing bulk GSTR filing patterns and statuses.
Address Verification
Fetch principal and additional place of business addresses to update your logistics database.
Automated CRM Sync
Sync verified GST taxpayer data directly into your ERP or CRM systems without manual entry.
Real-Time Refresh
Always get the most current data points straight from the GSTN portal for every report generated.
Efficient API for Bulk GST Reports
Convert large datasets of GSTINs into comprehensive contact reports. Access verified business communications and compliance data in one unified download.
Bulk Contact Extraction
Extract primary contact details, emails, and phone numbers associated with thousands of GSTINs simultaneously for marketing and sales.
Automated Report Generation
Generate and download structured Excel or JSON reports. Process high volumes of data without manual intervention or spreadsheet lag.
Data Enrichment
Append missing business metadata to your existing records, ensuring your contact database is always accurate and legally compliant.
High-Volume Contact Intelligence
Transforming raw GST numbers into actionable business intelligence is essential for enterprise scale. Our API handles the heavy lifting of data retrieval, allowing your team to focus on outreach and vendor relationship management.
🔐 Key Features of Bulk GST To Contact API
Automate the conversion of GSTIN lists into verified contact reports. Designed for high-volume vendor discovery, marketing outreach, and enterprise-scale database enrichment.
Bulk Processing
Submit thousands of GSTINs in a single batch and receive a consolidated report in seconds.
Contact Extraction
Retrieve verified business mobile numbers, emails, and authorized signatory details automatically.
Export Ready
Download results in structured formats like Excel, CSV, or JSON for immediate CRM integration.
Data Accuracy
Verified data pulled directly from the GSTN database ensuring the highest contact reliability.
Easy Integration
Developer-friendly endpoints designed for seamless connection with ERP and LeadGen platforms.
Automated Reporting
Schedule periodic reports to track status changes and contact updates across your vendor list.
Location Intelligence
Get principal business addresses linked to each GSTIN for geographical lead targeting.
Secure Processing
Bank-grade encryption ensures your bulk GSTIN lists and downloaded reports remain private.
How Bulk Reports Work
Transform raw tax IDs into a complete contact database in four simple automated steps.
Batch Upload
Upload your list of GSTINs via the bulk API endpoint in a single JSON or CSV request.
Data Extraction
The engine performs a mass lookup to gather business names, phone numbers, and emails.
Report Compilation
All extracted details are cross-referenced and organized into a master compliance report.
Direct Download
Instant access to the complete report via API callback or secure download link.
Why IDSPay is Better than Other Bulk Gst To Contact Report Download APIs?
See how we outperform the industry standards for business verification.
Faster Response
Lower latency and faster data retrieval than competitors.
Superior Uptime
More reliable service stability for enterprise tax workflows.
Cleaner Docs
Easier to read and implement compared to other KYC providers.
Affordable Pricing
Cost-effective plans tailored for growing B2B platforms.
Dedicated Support
Real human experts ready to help you with any integration hurdles 24/7.
Integrate Bulk GST to Contact API in Minutes
Automate high-volume data extraction for thousands of GSTINs. Download verified contact reports including emails and mobile numbers via fully documented REST APIs with multi-language SDK support.
curl --request POST \
--url [https://api.idspay.in/v3/bulk/gst-to-contact](https://api.idspay.in/v3/bulk/gst-to-contact) \
--header 'Authorization: Bearer YOUR_API_KEY' \
--header 'Content-Type: application/json' \
--data '{
"gstin_list": ["07AABCU9603R1ZV", "08AABCU9603R1ZV"],
"report_format": "csv",
"include_mobile": true
}'{
"status": "SUCCESS",
"report_id": "REP_987654321",
"download_url": "[https://api.idspay.in/reports/download/98765](https://api.idspay.in/reports/download/98765)",
"processed_count": 2500,
"estimated_time": "15 seconds"
}Why We Are The Better Choice
Compare our performance and see why top fintechs trust our infrastructure.
| Feature | 🚀 Our API | Other Providers |
|---|---|---|
| Accuracy |
99.9% (Govt. Direct)
|
~85-90% (Scraped)
|
| Speed |
< 500ms
|
2 - 5 Seconds
|
| Pricing |
Pay-per-use (No Fixed Fee)
|
High Monthly Commitment
|
| Support |
24/7 Priority Support
|
Email-only (48hr TAT)
|
* Based on internal benchmark tests and competitor analysis (April 2026).
Frequently Asked Questions
Common developer queries about integrating the Bulk GST To Contact Report Download API.
1. What is the Bulk GST To Contact Report API?
This API is a specialized service designed for high-volume data extraction. It allows users to submit a batch of GSTINs and receive a downloadable report containing verified contact information, business names, and registration details for each entry.
2. What contact details can I retrieve?
The API extracts authorized contact details available in the GSTN records, typically including the business's primary mobile number, email address, and registered office address for lead enrichment and vendor management.
3. How many GSTINs can I process at once?
The bulk endpoint is optimized for enterprise scale. You can submit thousands of GSTINs in a single request. The API processes these asynchronously and provides a unique Report ID to track progress and download the final file.
4. In what formats can I download the report?
To ensure compatibility with various workflows, the API supports structured downloads in CSV, Excel (XLSX), and JSON formats, making it easy to import into CRMs, ERPs, or marketing tools.
5. Is the contact data verified?
Yes, the data is fetched directly from the GST Network. By using our API, you are accessing the most recent and authentic business information filed by the taxpayer with the government.
6. How long does it take to generate a bulk report?
Small batches of a few hundred are processed almost instantly. For larger batches (5000+), reports are usually ready for download within 30 to 60 seconds, depending on current network load.
7. Can I automate the download process?
Absolutely. The API supports Webhook notifications. Once your bulk report is generated, our system can ping your server with a callback URL to automatically trigger the download into your application.
8. Which industries benefit from contact reports?
This is highly beneficial for B2B marketing firms, supply chain managers for vendor discovery, fintech companies for customer profiling, and auditing firms for large-scale data cleansing.
9. Are there any rate limits for bulk requests?
Our enterprise infrastructure supports high concurrency. Rate limits are generous and can be scaled based on your subscription tier to ensure uninterrupted bulk processing for your business needs.
10. How do I get started with Bulk API?
Register on our developer portal to get your API credentials. Check the "Bulk Operations" section of our documentation for sample code and instructions on submitting your first GSTIN list for report generation.