---
title: "Initiate Udyog Session"
method: GET
path: "/v1/verification/udyogaadhaar/captcha"
tags: ["MSME APIs"]
---

# Initiate Udyog Session

`GET /v1/verification/udyogaadhaar/captcha`

First, a captcha has to be generated to start a fresh session with the MSME-Udyog-Aadhaar portal.   
This API Endpoint returns a base64 encoded captcha and a corresponding session id back.

## Response `200`

Successful Response

- RESPONSEUDYOGCAPTCHA
  - `timestamp` integer, required
  - `transaction_id` string, required
  - `data` UdyogCaptcha, required
    - `session_id` string, required
    - `captcha` string, required

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden
- `500` — Internal Server Error
- `503` — Service Unavailable

---

[API](https://skmtc.dev/deepvue/apis/deepvue-tech-developers-guide.md) · [All operations](https://skmtc.dev/deepvue/apis/deepvue-tech-developers-guide/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/deepvue/deepvue-tech-developers-guide/revisions/c1b0558e7d77/schema)