# StampMitra Developer Platform

> StampMitra is an API platform for Indian identity/document verification (PAN, GSTIN, vehicle RC, Voter ID, Driving Licence, Passport, CIN, Udyam, and cross-lookups) and e-Stamp Paper issuance, built for developers integrating KYC and e-stamping into their own products.

Base URL: https://api-b2b.stampmitra.in · Auth: API key via `Authorization: Bearer sk_test_...` or `x-api-key` header · Docs: https://developer.stampmitra.in/docs/auth

## Authentication
- [API Key Authentication](https://developer.stampmitra.in/docs/auth): How every authenticated request to the B2B API is authorized.
- [Dashboard Login (Email + Password + OTP)](https://developer.stampmitra.in/docs/auth): Cookie-session email/password login for the developer dashboard, with a 2-step email-OTP second factor.
- [Team Management](https://developer.stampmitra.in/docs/auth): Invite teammates, manage roles, and remove members from your organization (session-authenticated, not API-key).

## Verification APIs
Answer to "how do I verify a PAN/GSTIN/etc with the StampMitra API": send a POST request to the matching `/v1/verify/{product}` endpoint with your API key in the `Authorization` header and the document number in the JSON body. Each product page below has copy-pasteable curl and JavaScript examples.
- [PAN](https://developer.stampmitra.in/docs/verification/pan): Verify a PAN in real time.
- [GSTIN](https://developer.stampmitra.in/docs/verification/gstin): Verify a GSTIN in real time.
- [Vehicle RC](https://developer.stampmitra.in/docs/verification/rc): Verify a Vehicle RC in real time.
- [Voter ID](https://developer.stampmitra.in/docs/verification/voter-id): Verify a Voter ID in real time.
- [Driving Licence](https://developer.stampmitra.in/docs/verification/driving-license): Verify a Driving Licence in real time.
- [Passport](https://developer.stampmitra.in/docs/verification/passport): Verify a Passport in real time.
- [Company CIN](https://developer.stampmitra.in/docs/verification/cin): Verify a Company CIN in real time.
- [Udyam Registration](https://developer.stampmitra.in/docs/verification/udyam): Verify a Udyam Registration in real time.
- [PAN to GSTIN](https://developer.stampmitra.in/docs/verification/pan-to-gstin): Verify a PAN to GSTIN in real time.
- [PAN to Udyam](https://developer.stampmitra.in/docs/verification/pan-to-udyam): Verify a PAN to Udyam in real time.
- [Bank Account](https://developer.stampmitra.in/docs/verification/bank-account): Verify a Bank Account in real time.

## e-Stamp Paper APIs
- [e-Stamp Catalog Discovery](https://developer.stampmitra.in/docs/estamp/estamp-catalog): Discover which e-Stamp instruments/services are available to your organization.
- [e-Stamp Schema / Options](https://developer.stampmitra.in/docs/estamp/estamp-schema-options): Field schema and dropdown options for a given e-Stamp instrument (state, article, value ranges, etc.).
- [State / Instrument / Article Lookup](https://developer.stampmitra.in/docs/estamp/estamp-state-instrument-article): Resolve valid instrument types and stamp articles for a given state.
- [Duty / Value Calculation](https://developer.stampmitra.in/docs/estamp/estamp-duty-value): Calculate applicable stamp duty for a given article, state and transaction value.
- [Parties](https://developer.stampmitra.in/docs/estamp/estamp-parties): Attach first/second party (and witness) details to an e-Stamp order.
- [e-Stamp Order Creation](https://developer.stampmitra.in/docs/estamp/estamp-orders): Create an e-Stamp order using the generic orders API with an e-Stamp serviceCode.
- [Payment](https://developer.stampmitra.in/docs/estamp/estamp-payment): Create a payment intent and check payment status for an order.
- [Order Status & Document Access](https://developer.stampmitra.in/docs/estamp/estamp-documents): Retrieve the generated e-Stamp certificate/document once an order completes.

## Other resources
- [Quickstart (first API call in 5 minutes)](https://developer.stampmitra.in/quickstart)
- [Build with AI (ready-made prompts for Claude, Cursor, Lovable, Google AI Studio)](https://developer.stampmitra.in/build-with-ai)
- [Products overview](https://developer.stampmitra.in/products)
- [System status](https://status.stampmitra.in)
- [Pricing](https://developer.stampmitra.in/pricing)
- [Webhooks](https://developer.stampmitra.in/webhooks)
- [Postman collection](https://developer.stampmitra.in/postman)
- [SDKs](https://developer.stampmitra.in/sdks)
- [Sign up for a free sandbox key](https://developer.stampmitra.in/signup)