---
title: "Update Next Billing Date"
method: POST
path: "/subscription/updatenextbillingdate"
tags: ["Subscription API"]
---

# Update Next Billing Date

`POST /subscription/updatenextbillingdate`

Modifies the next billing date for a subscription. This endpoint is commonly used to extend a billing period.<br /> For XML examples and schemas, see the [Additional Examples - Update Next Billing Date](https://dev.cleverbridge.com/page/additional-examples-update-next-billing-date).

## Headers

- `Accept` 'application/json' | 'application/xml'
- `Content-Type` 'application/json' | 'application/xml'

## Request body

- CleverbridgeBackEndRestApiSubscriptionClassesUpdateNextBillingDateRequest
  - `NextBillingDate` string, date-time, required — Next billing date and time according to [RFC3339](https://www.rfc-editor.org/info/rfc3339). The billing date and time must be in the future. You must specify the time in UTC.
  - `SubscriptionId` string, required — Unique ID of the subscription, with or without an initial 'S'.

## Response `200`

OK

- CleverbridgeBackEndRestApiSubscriptionClassesUpdateNextBillingDateResponse
  - `ResultMessage` string — Optional result or error message.

## Other responses

- `400` — Bad Request
- `404` — Not Found
- `500` — Internal Server Error

---

[API](https://skmtc.net/cleverbridge/apis/backend-rest-apis.md) · [All operations](https://skmtc.net/cleverbridge/apis/backend-rest-apis/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/cleverbridge/backend-rest-apis/revisions/b7007b62f4c0/schema)