---
title: "Key-rotation impact (credentials under current key)"
method: GET
path: "/v1/keys/impact"
tags: ["Issuer Keys"]
---

# Key-rotation impact (credentials under current key)

`GET /v1/keys/impact`

Preview how many issued credentials use the active key before you rotate it. You use this endpoint to decide whether the default overlap window is acceptable.

## Response `200`

The rotation-impact preview for the tenant.

- object
  - `credentials_under_active_key` integer — Count of credentials signed by the active key before rotation.
  - `default_overlap_days` integer — Default number of days the service keeps the rotated key trusted when you do not provide `overlap_days`.
  - `note` string — Human-readable explanation of the overlap behavior.

---

[API](https://skmtc.net/didit-protocol/apis/didit-credentials-api.md) · [All operations](https://skmtc.net/didit-protocol/apis/didit-credentials-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/didit-protocol/didit-credentials-api/revisions/e4eddba66557/schema)