---
title: "Update a cycle on a subscription"
method: PATCH
path: "/subscription/{id}/cycle/{cycle_id}"
tags: ["Subscription Payment"]
---

# Update a cycle on a subscription

`PATCH /subscription/{id}/cycle/{cycle_id}`

Overrides the charge amount for a single cycle without touching the subscription's recurring schedule or default value. Only `RENEWABLE` cycles in `PENDING` status can be patched — anything else (one-off charges, already-processed cycles, deleted cycles) returns `409 Conflict`.


**Required scope:** <code style="background:#e8f0fe;color:#1a73e8;padding:2px 8px;border-radius:12px;font-size:0.85em">subscription:update</code>

## Path parameters

- `id` string, uuid, required
- `cycle_id` string, uuid, required

## Request body

- object
  - `value` number, double, required — New amount for the cycle, in euros. Must have at most two decimal places.

## Response `200`

OK

- UpdateCycleResponseOnPatch
  - `status` string, required
  - `message` string[], required
  - `id` string, uuid, required — The UUID of the updated cycle (same as the `cycle_id` path parameter).

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found
- `409` — Conflict
- `412` — Pre condition failed
- `429` — Too Many Requests
- `500` — Internal Server Error

---

[API](https://skmtc.net/easypay/apis/easypay-payments-api.md) · [All operations](https://skmtc.net/easypay/apis/easypay-payments-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/easypay/easypay-payments-api/versions/cdf25a9ad7b2/schema)