# e-Stamp Schema / Options API

> Field schema and dropdown options for a given e-Stamp instrument (state, article, value ranges, etc.). Endpoint: `GET https://api-b2b.stampmitra.in/v1/estamp/schema/:serviceCode`.

API fee: ₹5 per successful call, pay-as-you-go (lower on Growth and Scale). State procurement fee and stamp duty are quoted per order. Sandbox keys are free. Prices exclude 18% GST.

- HTML docs: https://developer.stampmitra.in/docs/estamp/estamp-schema-options
- Product page: https://developer.stampmitra.in/products/estamp-schema-options
- Pricing: https://developer.stampmitra.in/pricing
- Authentication: https://developer.stampmitra.in/docs/auth

## Get the e-Stamp input field schema

`GET https://api-b2b.stampmitra.in/v1/estamp/schema/:serviceCode`

Required scope: `estamp.read`

Generic form-rendering metadata for the e-Stamp product. `serviceCode` is accepted for forward-compatible route shape parity with other schema lookups; e-Stamp has exactly one schema regardless of its value. Requires the `estamp.read` scope.