---
title: "S2S Sign-up (One-click Initial)"
method: POST
path: "/gateway/signup"
---

# S2S Sign-up (One-click Initial)

`POST /gateway/signup`

## Request

- Base URL: `https://secure.vend-o.com/api`
- URL: `https://secure.vend-o.com/api/gateway/signup`
- Auth: none required

It's a legacy feature. For S2S Signups please refer payment-gateway page

## Query parameters

- `merchantId` integer, required
- `subscriptionId` integer, required
- `offerId` integer, required
- `siteId` string, required
- `ip` string, required
- `ref` string
- `signature` string, required

## Response `200`

200

- object
  - `status` string
  - `request` object
    - `request_id` string
    - `merchant_id` string
    - `subscription_id` string
    - `site_id` string
  - `result` object
    - `transaction_id` integer

## Other responses

- `400`: 400

---

[API](https://skmtc.dev/vendoservices/apis/subscription-api.md) - [All operations](https://skmtc.dev/vendoservices/apis/subscription-api/llms.txt) - [OpenAPI document](https://skmtc.dev/vendoservices/apis/subscription-api/revisions/7e98f86fba12?raw)