---
title: "Update Event Gateway DataPlane Certificate"
method: PUT
path: "/v1/event-gateways/{gatewayId}/data-plane-certificates/{certificateId}"
tags: ["Event Gateway DataPlane Certificates"]
---

# Update Event Gateway DataPlane Certificate

`PUT /v1/event-gateways/{gatewayId}/data-plane-certificates/{certificateId}`

Updates an existing dataplane certificate associated with the specified Event Gateway.

## Request body

- object
  - `certificate` string, required — JSON escaped string of the certificate.
  - `name` string, nullable — The name to identify of the certificate.
  - `description` string — A description of the certificate.

## Response `200`

Updated event gateway dataplane certificate object.

- EventGatewayDataPlaneCertificate — A dataplane certificate.
  - `id` string, uuid, required — The unique identifier of the certificate.
  - `certificate` string, required — JSON escaped string of the certificate.
  - `name` string, nullable — The name to identify of the certificate.
  - `description` string, nullable — A description of the certificate.
  - `created_at` string, date-time, required — An ISO-8601 timestamp representation of entity creation date.
  - `updated_at` string, date-time, required — An ISO-8601 timestamp representation of entity update date.
  - `metadata` CertificateMetadata — Metadata extracted from a certificate.
    - `issuer` string, nullable — The issuer of the certificate.
    - `subject` string, nullable — The subject of the certificate.
    - `key_usages` string[], nullable — The key usages of the certificate.
    - `expiry` integer, nullable — The expiry date of the certificate as a unix timestamp.
    - `san_names` string[], nullable — The Subject Alternative Names (SAN) of the certificate.
    - `dns_names` string[], nullable — The DNS names in the certificate SAN.
    - `email_addresses` string[], nullable — The email addresses in the certificate SAN.
    - `ip_addresses` string[], nullable — The IP addresses in the certificate SAN.
    - `uris` string[], nullable — The URIs in the certificate SAN.
    - `sha256_fingerprint` string, nullable — The SHA-256 fingerprint of the certificate.

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden

## Changes

- **2026-09-30** `f530bf400198` — 2 warning
  - added the new `400.00` enum value to the `status` response property for the response status `400`
  - added the new `403.00` enum value to the `status` response property for the response status `403`
- **2026-09-25** `4a02153f2e60` — 2 breaking, 18 info
  - the response's body type changed from no type to `object` for status `400`
  - the response's body type changed from no type to `object` for status `403`
  - removed `#/components/schemas/BaseError, subschema #2` from the response body `allOf` list for the response status `400`
  - removed `#/components/schemas/BaseError, subschema #2` from the response body `allOf` list for the response status `401`
  - …16 more
- **2026-02-16** `2b2a72c67bd2` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/kong/apis/konnect-api/changes/v1/event-gateways/:gatewayId/data-plane-certificates/:certificateId/put.md)

---

[API](https://skmtc.dev/kong/apis/konnect-api.md) · [All operations](https://skmtc.dev/kong/apis/konnect-api/llms.txt) · [OpenAPI document](https://skmtc.dev/kong/apis/konnect-api/revisions/f530bf400198?raw)