# KnowYourGST, free: Company enrichment API

> We provide easy to use API to retrieve details of any GST number.

KnowYourGST's company enrichment API on its Free trial plan. It costs $0.00 per 1,000 companies. It returns 2 of the 13 key fields we check: Type and status, Headquarters.
We haven't run KnowYourGST through [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt) yet.
This plan is free. We rank 1,542 plans for company enrichment APIs by price. Half the plans cost $7.96 per 1,000 companies or less.
[Extruct's $49 monthly plan](https://datacircle.dev/company-enrichment-apis/extruct/49-monthly/llms.txt) is the cheapest paid plan per 1,000 companies. Extruct's company enrichment API costs nothing beyond the plan price.
[CNPJ API's R$99 monthly plan (/bulk-cnpj)](https://datacircle.dev/company-enrichment-apis/cnpj-api/r-99-monthly-pro-post-bulk-cnpj/llms.txt) covers any number of companies in Brazil only. CNPJ API's R$99 monthly plan costs less up front than Extruct's $49 monthly plan.
[GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt), [SEC EDGAR](https://datacircle.dev/company-enrichment-apis/sec-edgar/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/knowyourgst/free
- [Company enrichment API: 130+ providers compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://www.knowyourgst.com/gstin-search-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `GET https://www.knowyourgst.com/developers/gstincall/`
- API key: with the plan, on https://www.knowyourgst.com/gstin-search-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Its API docs: https://www.knowyourgst.com/gstin-search-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Sold by: KnowYourGST (https://www.knowyourgst.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-03

## In the answer

- Completeness: 15%
- Type and status: ✓
- Headquarters: ✓

## Price

- $ per 1,000 companies: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: We provide easy to use API to retrieve details of any GST number.

## Data

- Countries: India
- Keep data: no API terms
- Use data: API Access: Users can read agreement on developers home page, KnowyourGST.com and Users are bound by agreement.

## Plan

- Pay: ₹0
- You get: 50 requests
- Enough for: 50 calls
- Expires: 2 days

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: gstin
- Method: GET
- Path: /developers/gstincall/

## About the plan

- Plan: Free trial
- Who can get it: anyone

## The 19 fields the plan's answer can hold

status, registration date, business, address, address lg, address bname, address street, address bno, address location, address lt, address floor, address state, address pincode, GSTIN, dealer type, trade name, entity type, PAN, legal name

## KnowYourGST's plans (2)

- [KnowYourGST, free](https://datacircle.dev/company-enrichment-apis/knowyourgst/free/llms.txt): $0.00 per 1,000, 15% complete
- [KnowYourGST, ₹2,500 pack](https://datacircle.dev/company-enrichment-apis/knowyourgst/2500-pack/llms.txt): no limit, 15% complete

## KnowYourGST's calls (1)

- `GET /developers/gstincall/`: [KnowYourGST, free](https://datacircle.dev/company-enrichment-apis/knowyourgst/free/llms.txt)

## KnowYourGST's APIs (1)

- [KnowYourGST: company enrichment API pricing, 2 plans](https://datacircle.dev/company-enrichment-apis/knowyourgst/free/llms.txt)

## KnowYourGST: company enrichment API alternatives

- [data.ct.gov, free, With an app token](https://datacircle.dev/company-enrichment-apis/data-ct-gov/free-with-an-app-token/llms.txt): $0.00 per 1,000, 38% complete, 1 day
- [Decolecta, free, GET /v1/sunat/ruc/full](https://datacircle.dev/company-enrichment-apis/decolecta/free-get-v1-sunat-ruc-full/llms.txt): $0.00 per 1,000, 23% complete, 1 day
- [Brreg, free](https://datacircle.dev/company-enrichment-apis/brreg/free/llms.txt): $0.00 per 1,000, 38% complete, live
- [GLEIF, free](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt): $0.00 per 1,000, 15% complete, stored
- [KickFire, free](https://datacircle.dev/company-enrichment-apis/kickfire/free/llms.txt): $0.00 per 1,000, 0% 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 2026-11-03.

- https://www.knowyourgst.com/gstin-search-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.knowyourgst.com/qa/gst-api-costing/6248?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.knowyourgst.com/terms/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing