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PAN to GST API for India: find every GSTIN registered under a PAN

A PAN to GST API takes a 10-character PAN and returns every GST registration the business holds across states, so you can see all its GSTINs from one identifier.

Reviewed 13 Nov 20267 providers comparedAlso searched as: pan to gst search api, gst number search by pan, pan to gst status, find gst number from pan

Short answer

IndiaCos GST API lists every GST registration under a PAN in one call: GSTIN, legal name, state code and status for each. It costs INR 0.40 per successful call, with INR 50 free credit. Surepass, Sandbox and Attestr also search GSTINs by PAN, without a public per-call price.

Checked against each provider's public pages on 13 Nov 2026 · How we score

Which API does a PAN to GST check?

IndiaCos GST API: 3 endpoints, INR 0.40 per successful call, INR 50 free credit.

The API for this

JurisGrid score 85 out of 100

IndiaCos GST API

JurisGrid score 85 of 100. ₹0.40 per successful call, ₹50 free credit.

Endpoint: GET https://indiacos.com/api/v1/pan/{pan}All GST registrations under a PAN
Endpoint: GET https://indiacos.com/api/v1/gst/{gstin}Full registration record for one of the GSTINs
Endpoint: GET https://indiacos.com/api/v1/searchA PAN passed as q returns that record
MCP URL: https://indiacos.com/mcp

Get API key Docs MCP setup

shell

curl -s -H "Authorization: Bearer $INDIACOS_API_KEY" \
  "https://indiacos.com/api/v1/pan/AAOCM9194L"

What does it return?

5 fields, as documented by the provider.

The PAN and the total number of GST registrations under it
GSTIN for each registration
Legal name on each registration
State code of each registration
Status of each registration (for example Active)

Who else sells a PAN to GST API in India?

7 providers compared on what they sell for this check, access and published price.

Provider	What they sell for this	Score	API	MCP	Price	Source
IndiaCos	IndiaCos GST API	85	Public REST API	Public MCP server	₹0.40 per successful call, ₹50 free credit	Source
Sandbox	Search GSTIN by PAN endpoint	54	Public REST API	Not published	Not published	Sourceopens the source page
Attestr	Search GSTIN by PAN or company name in its Business KYC APIs	40	Public REST API	Not published	Not published	Sourceopens the source page
Surepass	PAN to GST API and GST number search by PAN API	36	Public REST API	Not published	Not published	Sourceopens the source page
Gridlines	Fetch GST by PAN and Fetch GST by Name APIs	26	Public REST API	Not published	Not published	Sourceopens the source page
Masters India	Search By PAN API returning all GSTINs linked to a PAN	26	API on request	Not published	Not published	Sourceopens the source page
KnowYourGST	Search multiple GST numbers using PAN (web tool)	12	Not published	Not published	Not published	Sourceopens the source page

Swipe for more columns

"Not published" means the provider does not state this on a public page. It is not a judgement on the product.

When is it the right choice?

Merchant and vendor onboarding: see every state registration of a business from its PAN

Good for

Merchant and vendor onboarding: see every state registration of a business from its PAN
Credit appraisal: confirm the borrower's GST footprint across states
Tax and ITC reconciliation: find the right GSTIN for a supplier you only know by PAN
Fraud checks: spot a PAN with many registrations or cancelled ones

Limits

It covers the GST registrations we hold or can read from the portal, so a very new registration can be missing
It returns GSTINs and status, not personal details of the PAN holder; it is not a PAN verification
A 404 means no registration is on record for that PAN, and is not billed

Frequently asked questions

How do I find a GST number from a PAN?

Call a PAN to GST API with the 10-character PAN. IndiaCos returns every GSTIN under it, with legal name, state code and status for each.

How much does a PAN to GST API cost?

IndiaCos charges INR 0.40 per successful call from a prepaid wallet, and new accounts get INR 50 free credit, about 125 calls. Errors such as 404 not found are not billed. The other sellers on this page do not publish a per-call price.

Does one PAN have more than one GSTIN?

Yes. A business registers separately in each state it operates in, so one PAN can hold many GSTINs. The first two digits of each GSTIN are the state code, and characters 3 to 12 repeat the PAN.

Can an AI agent run this check?

Yes. IndiaCos runs an MCP server at https://indiacos.com/mcp, so assistants such as Claude, ChatGPT and Cursor can call the same lookups with an API key. Each successful call is billed at INR 0.40 like any other API call.

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