API Reference

Get HSN

get
https://api.in.onefinops.com/v1/ewaybills/hsncodes

HSN code → description from NIC's EWB master surface. Caller-acting GSTIN in the gstin header; the HSN code to look up is the hsnCode query param.

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Query Params
string
required
length between 4 and 8

HSN code (4–8 digit).

Headers
string
required
length between 15 and 15

GSTIN whose NIC IRP / EWB-portal credential authorizes the call.
Seed each GSTIN's credential through the Developer Console.

uuid

Optional client-supplied UUID for correlation across logs and dashboards. If omitted, OneFinOps mints one and echoes it back on the response.

Responses

400

Bad request.

401

Missing or invalid OAuth token.

404

Resource not found.

Updated about 2 months ago

Language
Credentials
OAuth2
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Response
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application/json

Updated about 2 months ago