---
title: "Add backup payment method"
method: POST
path: "/2026-04/subscription/{subscriptionId}/backupPaymentMethod"
---

# Add backup payment method

`POST /2026-04/subscription/{subscriptionId}/backupPaymentMethod`

## Request

- Base URL: `https://api.loopsubscriptions.com/admin`
- URL: `https://api.loopsubscriptions.com/admin/2026-04/subscription/{subscriptionId}/backupPaymentMethod`
- Auth: API key in header `X-Loop-Token`

This endpoint allows you to add a backup payment method on the subscription.

## Path parameters

- `subscriptionId` integer, required

## Request body

- object
  - `paymentMethodId` integer, required: Id of the backup payment method

## Response `200`

Backup payment method added successfully

- object
  - `success` boolean
  - `message` string
  - `data` unknown
  - `code` string
  - `pageInfo` unknown

---

[API](https://skmtc.dev/loopwork/apis/loop-admin.md) - [All operations](https://skmtc.dev/loopwork/apis/loop-admin/llms.txt) - [OpenAPI document](https://skmtc.dev/loopwork/apis/loop-admin/revisions/1eaf81bcb1ea?raw)