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Business & KYB

GST Verification with OTP API

With the taxpayer's OTP consent, fetch the full GST profile — registration details, principal and additional places of business, filing frequency and return history — for a deeper KYB than the public lookup allows.

Response
Async, by webhook
Inputs
1 required · 1 optional
Consent
Recorded per request
Billing
Per successful call
Get API access API reference
POST /v1/gst-otp-verification
Sandbox · Production

  1. Your application sends

    • GSTIN*
    • OTP (second step)

  2. Profiden API

    Issues a hosted consent link, tracks the person's authorisation and assembles the result.

  3. Completed via

    Authoritative source

  4. You receive by webhook

    • Legal name
    • Trade name
    • Places of business
    • Filing frequency
    • Return filing history
    • Turnover band
gst-otp-verification Full reference

What the GST Verification with OTP API does

Start the flow with the GSTIN; an OTP goes to the mobile registered with GST. Once the taxpayer confirms it, the API returns the detailed profile and up to the last 24 months of return filings, the basis for turnover-linked credit decisions.

Consent is part of the contract

The taxpayer authorises the pull by entering the OTP sent to their GST-registered mobile.

Benefits of the GST Verification with OTP API

Consented GST pull: OTP to the registered mobile, then the complete profile and filing history.

Turnover you can lend on

Filing history and turnover bands straight from the network.

Consent built in

The OTP is the consent record.

Use cases

GST Verification with OTP API use cases

Where the GST Verification with OTP API is typically called, and what it settles there.

MSME lending

Underwrite on filed returns instead of self-declared turnover.

Supplier onboarding

Confirm compliance before large contracts.

How the GST Verification with OTP API works

Request and response details, environments and a ready-to-import collection are in the developer console at console.profiden.com.

01

Authenticate

Call with your organisation API key. Sandbox and production use the same contract.

02

Create the consent link

Send the person's details and the documents you need. You receive a hosted link to share on any channel.

03

The person authorises

They sign in and choose what to share. Nothing moves without their approval.

04

Receive the result

Verified documents and details arrive by webhook or on the status endpoint, and attach to the case.

Open the GST Verification with OTP reference

Built for the DPDP Act 2023

Consent recorded · Payloads not retained beyond your retention window · Every request traceable

Encryption in transit and at rest
Data processed in India
Per-request audit trail
Masked identifiers in responses

GST Verification with OTP API: frequently asked questions

What teams ask before adding the GST Verification with OTP API to their integration.

GSTIN Verification uses public data and needs no consent. This flow needs the taxpayer's OTP and returns the detailed profile and filing history.

Related APIs

APIs that usually run alongside the GST Verification with OTP API, on the same key.

All APIs

GSTIN Verification

Business & KYB

Confirm GST registration, legal name, business type and filing compliance.

GST Return Filing Status

Business & KYB

Month-by-month GST return filing history for a GSTIN.

Account Aggregator Data Fetch

Banking & Credit

Consented bank statements and financial data through the Account Aggregator framework.

More Business & KYB APIs

Get access to the GST Verification with OTP API

Tell us your use case and expected volume. We set up the organisation, share per-call pricing and issue keys.

Get API access Developer console