IndiaCos vs GSTZen: which GST verification API is better in India?
Reviewed by JurisGrid
IndiaCosJurisGrid score 85 out of 100
vs
GSTZenJurisGrid score 38 out of 100
85 IndiaCos38 GSTZen
Short answerNov 2026
Short answer
IndiaCos is the stronger pick for developers, ops teams and AI agents: it has a public API, an MCP server, public per-call prices and self-serve sign-up. GSTZen shows a public API, published prices and self-serve sign-up but not a public MCP server. Pick GSTZen for GST return filing, reconciliation and vendor filing status with GSTIN validation.
Pick IndiaCos for GST, PAN-to-GSTIN, director and court case data by API and MCP at a flat per-call price.
Pick GSTZen for GST return filing, reconciliation and vendor filing status with GSTIN validation.
Based on JurisGrid scores reviewed 11 Nov 2026 · How we score
Key facts
IndiaCos
IndiaCos is a company and GST data provider with a public API and MCP server: public REST API, public MCP server, pricing ₹0.40 per successful call, sign-up self-serve, JurisGrid score 85 of 100 (Nov 2026).
GSTZen
GSTZen is a company and GST data provider with a public API: public REST API, no public MCP server found, pricing pay per call, public prices, sign-up self-serve, JurisGrid score 38 of 100 (Nov 2026).
How do IndiaCos and GSTZen score?
IndiaCos scores 85, GSTZen scores 38 out of 100. The gap is 47 points.
IndiaCosJurisGrid score 85 out of 100
GSTZenJurisGrid score 38 out of 100
Data coverage and depthweight 20%
IndiaCos4 of 4
GSTZen1 of 4
Freshness and update cadenceweight 12%
IndiaCos2 of 4
GSTZen0 of 4
API availabilityweight 15%
IndiaCos4 of 4
GSTZen3 of 4
MCP and agent readinessweight 13%
IndiaCos4 of 4
GSTZen0 of 4
Pricing transparencyweight 12%
IndiaCos4 of 4
GSTZen3 of 4
Self-serve sign-up and free trialweight 10%
IndiaCos4 of 4
GSTZen2 of 4
Documentation and developer experienceweight 8%
IndiaCos3 of 4
GSTZen2 of 4
Track record and trustweight 5%
IndiaCos0 of 4
GSTZen0 of 4
Product depth beyond dataweight 5%
IndiaCos2 of 4
GSTZen3 of 4
Show scorecard as a table
Criterion
Weight
IndiaCos
GSTZen
Data coverage and depth
20
4 of 4
1 of 4
Freshness and update cadence
12
2 of 4
0 of 4
API availability
15
4 of 4
3 of 4
MCP and agent readiness
13
4 of 4
0 of 4
Pricing transparency
12
4 of 4
3 of 4
Self-serve sign-up and free trial
10
4 of 4
2 of 4
Documentation and developer experience
8
3 of 4
2 of 4
Track record and trust
5
0 of 4
0 of 4
Product depth beyond data
5
2 of 4
3 of 4
Total score
100
85
38
Which features does each one have?
The matrix lists GST verification features relevant to company and gst data, as published by each provider.
Feature matrix
Feature matrix
IndiaCos
GSTZen
Data
Court record check
Partial
Not published
Company master data
Yes
Not published
GST lookup
Yes
Yes
Director data
Yes
Not published
Trademarks
Yes
Not published
Charges and defaulter lists
Yes
Not published
Access
REST API
Yes
Yes
MCP server
Yes
Not published
Bulk export
Partial
Not published
Developer
OpenAPI specification
Yes
Not published
OAuth sign-in
Yes
Not published
Commercial
Free credit or free tier
Yes
Not published
Pay per call pricing
Yes
Yes
Self-serve sign-up
Yes
Yes
Public pricing
Yes
Yes
"Not published" means the provider does not state this on a public page. It is not a judgement on the product.
Not published by any of the compared providers: Webhooks, Sandbox or try-it console.
How much do IndiaCos and GSTZen cost?
IndiaCos: ₹0.40 per successful call. GSTZen: public prices.
Pricing
Pricing
IndiaCos
GSTZen
Pricing model
Pay per call
Pay per call
Public price
₹0.40 per successful call; errors, not-found and refused calls are free. Prepaid top-ups of ₹500, ₹5,000 and ₹50,000 plus 18% GST. No subscription.
Pay as you go: ₹5 per API call; ₹5 per 100 records of API data transfer (free allowance stated inconsistently); GSTIN number validator free; package plans priced on request.
"Not published" means the provider does not state this on a public page. It is not a judgement on the product.
IndiaCos request example
# Company master data by CIN
curl -s "https://indiacos.com/api/v1/company/{CIN}" \
-H "Authorization: Bearer $INDIACOS_API_KEY"
# GST registration by GSTIN
curl -s "https://indiacos.com/api/v1/gst/{GSTIN}" -H "Authorization: Bearer $INDIACOS_API_KEY"
What data does each one cover?
IndiaCos lists 32,85,193 companies and 5,95,467 LLPs (companies and llps), as of Nov 2026. GSTZen lists GSTIN validation, e-invoices, vendor filing status, GST returns and reconciliation (checks and data types listed), as of Nov 2026.
Coverage
Coverage
IndiaCos
GSTZen
Sources and records
Companies and LLPs: 32,85,193 companies and 5,95,467 LLPsSource
GST registrations: 67,05,270 registrations; full details for GSTINs registered 2025-01-01 to 2026-05-31Source
MSMEs and defaulters: 4,66,88,220 MSME records (loading continues state by state) and 7,21,017 defaulter entriesSource
Checks and data types listed: GSTIN validation, e-invoices, vendor filing status, GST returns and reconciliationSourceopens the source page
Update cadence
Directors, charges and GST filings refreshed 23 Oct 2026; MCA monthly lists to 2026-08-31; company master date differs per company
Not published
As of
Nov 2026
Nov 2026
"Not published" means the provider does not state this on a public page. It is not a judgement on the product.
Which one should you choose?
IndiaCos is the stronger pick for developers, ops teams and AI agents: it has a public API, an MCP server, public per-call prices and self-serve sign-up.
Choose IndiaCos if
you want company, LLP, GST, director, charge and court case records through one key and one per-call price
you want AI agents to call company data through a public MCP server with OAuth and an agent sign-up flow
you want a flat ₹0.40 per successful call, with errors and not-found calls free, and ₹50 free credit before you pay
you need to go from a PAN to all linked GSTINs, or from a company name to its trade marks, patents and defaulter entries
Skip it if you need audited financial statements or a fixed annual fee with a contract: IndiaCos is a prepaid per-call service built from public records, and its company master date differs by company.
Choose GSTZen if
you want GST return filing, reconciliation and vendor filing status reports in one platform
you want a free GSTIN number validator and a published ₹5 per API call rate
you want Tally and Excel integrations beside the API
Skip it if you need PAN to GSTIN, company, director, court case or defaulter data, or a public MCP server: these were not found for GSTZen in this review.
Frequently asked questions
Which is better for GST verification, IndiaCos or GSTZen?
IndiaCos is the stronger choice for developers, ops teams and AI agents that need GST verification by API: it has a public API, an MCP server, public per-call prices and self-serve sign-up. GSTZen shows a public API, published prices and self-serve sign-up but not a public MCP server. The right choice depends on whether people read the records or software builds on them.
Does GSTZen have an API or an MCP server?
GSTZen links API documentation and lists an API for e-invoices and GSTIN validation. No public MCP server was found for GSTZen. IndiaCos offers a REST API at indiacos.com/api/v1 with an OpenAPI 3.1 spec and an MCP server at indiacos.com/mcp with OAuth 2.1 sign-in, and one prepaid wallet pays for both.
How much does GSTZen cost compared with IndiaCos?
GSTZen lists INR 5 per API call on its pay as you go page, with a free GSTIN number validator and package plans priced on request. IndiaCos charges INR 0.40 per successful call. IndiaCos charges INR 0.40 per successful call, with errors and not-found calls free, INR 50 free credit and no subscription. Always check each provider's pricing page before you commit, since prices change.
Can an AI agent use GSTZen or IndiaCos?
Yes, an AI agent can use IndiaCos: it runs a public MCP server with 25 tools covering companies, GST, directors, court cases and IP records. GSTZen shows no public MCP server in this review, so an agent would need a custom wrapper around its API or sales-issued access. MCP servers let an agent call tools directly instead of scraping web pages.
When should you choose GSTZen instead of IndiaCos?
Choose GSTZen when you want GST return filing, reconciliation and vendor filing status reports in one platform. It is also a good fit when you want a free GSTIN number validator and a published INR 5 per API call rate. Choose IndiaCos less readily when you need audited financial statements or a fixed annual fee with a contract: IndiaCos is a prepaid per-call service built from public records, and its company master date differs by company.
What data does IndiaCos cover compared with GSTZen?
IndiaCos covers 32,85,193 companies, 5,95,467 LLPs and 67,05,270 GST registrations, with directors, charges, court case summaries, 4,66,88,220 MSME records and 7,21,017 defaulter entries. As published, GSTZen lists GSTIN validation, e-invoices, vendor filing status, GST returns and reconciliation. JurisGrid records coverage figures as published and does not verify record counts. Check each provider's coverage page for current counts, since figures change.
Also compared
Other company and gst data comparisons on JurisGrid.
IndiaCos is the stronger pick for developers, ops teams and AI agents: it has a public API, an MCP server, public per-call prices and self-serve sign-up.
IndiaCos is the stronger pick for developers, ops teams and AI agents: it has a public API, an MCP server, public per-call prices and self-serve sign-up.
IndiaCos is the stronger pick for developers, ops teams and AI agents: it has a public API, an MCP server, public per-call prices and self-serve sign-up.