# FRSLabs, contact us, Annual subscription, POST /verify/gstin: Company enrichment API > Verifies the legitimacy of the Goods and Services Tax Number (GST) against the issuing authority (GSTIN). Verified GSTIN returns the full business details of the GST number with the status. FRSLabs's Annual subscription plan lets you call the company enrichment API. We check each provider's docs for 13 fields. FRSLabs's docs list 3: Industry, Type and status, Headquarters. We haven't run FRSLabs through [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt) yet. FRSLabs gives this plan's price on request. We rank 3,012 plans for company enrichment APIs by price. Half the plans cost $8.98 or less per 1,000 companies. [Coldlytics's $49 monthly plan](https://datacircle.dev/company-enrichment-apis/coldlytics/49-monthly/llms.txt) is the cheapest paid plan per 1,000 companies. Coldlytics's company enrichment API costs nothing beyond the plan price. [Pokt Agent's pay-as-you-go plan](https://datacircle.dev/company-enrichment-apis/pokt-agent/pay-as-you-go-x402-pay-per-call-post-kr-entity-resolve/llms.txt) costs the least for 10,000 companies a month: $1.00. [APIs Peru's PEN 30 (about $9) monthly plan](https://datacircle.dev/company-enrichment-apis/apis-peru/pen-30-monthly/llms.txt) covers any number of companies in Peru only. APIs Peru's PEN 30 (about $9) monthly plan costs less up front than Coldlytics's $49 monthly plan. [GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt), [TrustMRR](https://datacircle.dev/company-enrichment-apis/trustmrr/free/llms.txt) and [GetProspect](https://datacircle.dev/company-enrichment-apis/getprospect/49-monthly-starter-post-v2-companies-enrich/llms.txt) are the best company enrichment API providers in the Datacircle benchmark for companies in any country. - This page: https://datacircle.dev/company-enrichment-apis/frslabs/contact-us-annual-subscription-post-verify-gstin - [Company enrichment API: the best of 260+ providers compared](https://datacircle.dev/best-company-enrichment-api.txt) - Get it: https://www.frslabs.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing - Request: `POST https://api.atlaskyc.com/v2/prod/verify/gstin` - API key: with the plan, on https://www.frslabs.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing - Its API docs: https://documenter.getpostman.com/view/12409759/UVsMvkkY?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing#1c8eab50-35c9-43d8-85ab-31a022da2ae2 - Sold by: FRSLabs (https://frslabs.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing) - Checked: 2026-11-10 ## In the answer - Completeness: 23% - Industry: ✓ - Type and status: ✓ - Headquarters: ✓ ## Price - Per: call - Billing: contact ## Aggregators - Aggregators: none ## Not found - $ per 1,000: $0.00 ## In their words - Their pitch: Verifies the legitimacy of the Goods and Services Tax Number (GST) against the issuing authority (GSTIN). Verified GSTIN returns the full business details of the GST number with the status. ## Data - Countries: India - Keep data: no API terms - Use data: no API terms ## Plan - Enough for: no limit ## Rate limit - Batch: 1 ## Speed - Answer: in the call ## The call - You send: gst_number - Method: POST - Path: /verify/gstin ## About the plan - Plan: Annual subscription - Who can get it: anyone who books a demo: its team creates the account after a chat, and the account is activated with company and contact details ## The 30 fields the plan's answer can hold GSTIN, legal name, trade name, GSTIN status, GSTIN validity start date, constitution type, taxpayer type, state jurisdiction, state jurisdiction code, business activity, primary address building, primary address street, primary address location, primary address number, primary address state, primary address district, primary address floor, primary address latitude, primary address longitude, primary address PIN code, secondary address building, secondary address street, secondary address location, secondary address number, secondary address state, secondary address district, secondary address floor, secondary address latitude, secondary address longitude, secondary address PIN code ## FRSLabs's plans (2) - [FRSLabs, contact us, Annual subscription, POST /verify/gstin](https://datacircle.dev/company-enrichment-apis/frslabs/contact-us-annual-subscription-post-verify-gstin/llms.txt): 23% complete - [FRSLabs, contact us, Pay per transaction, POST /verify/gstin](https://datacircle.dev/company-enrichment-apis/frslabs/contact-us-pay-per-transaction-post-verify-gstin/llms.txt): 23% complete ## FRSLabs's calls for this API (2) - `POST /verify/gstin`: [FRSLabs, contact us, Annual subscription, POST /verify/gstin](https://datacircle.dev/company-enrichment-apis/frslabs/contact-us-annual-subscription-post-verify-gstin/llms.txt) - `POST /verify/msme`: [FRSLabs, contact us, Annual subscription, POST /verify/msme](https://datacircle.dev/company-enrichment-apis/frslabs/contact-us-annual-subscription-post-verify-msme/llms.txt) ## FRSLabs's APIs (2) - [FRSLabs: business verification API pricing, 2 plans](https://datacircle.dev/business-verification-apis/frslabs/contact-us-annual-subscription/llms.txt) - [FRSLabs: company enrichment API pricing, 2 plans, POST /verify/gstin](https://datacircle.dev/company-enrichment-apis/frslabs/contact-us-annual-subscription-post-verify-gstin/llms.txt) ## FRSLabs: company enrichment API alternatives - [Drillr, contact us](https://datacircle.dev/company-enrichment-apis/drillr/contact-us/llms.txt): 23% complete, 3 days - [bolsai, contact us](https://datacircle.dev/company-enrichment-apis/bolsai/contact-us/llms.txt): 23% complete - [SerpKite, contact us](https://datacircle.dev/company-enrichment-apis/serpkite/contact-us/llms.txt): 23% complete, live - [Equibles, contact us](https://datacircle.dev/company-enrichment-apis/equibles/contact-us/llms.txt): 23% complete - [Export Genius, contact us](https://datacircle.dev/company-enrichment-apis/export-genius/contact-us/llms.txt): 23% complete ## Sources From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10. - https://docs.frslabs.com/integration/api-v2?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing - https://docs.frslabs.com/introduction/get-started?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing - https://docs.frslabs.com/master.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing - https://documenter.getpostman.com/view/12409759/UVsMvkkY?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing - https://www.frslabs.com/developer-platform?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing - https://www.frslabs.com/id-verification/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing - https://www.frslabs.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing