---
title: "Create or Update new callback subscription URL."
method: PUT
path: "/diagnosiskeys/callback/{id}"
tags: ["Diagnosis Keys Exchange Interface", "Callback"]
---

# Create or Update new callback subscription URL.

`PUT /diagnosiskeys/callback/{id}`

## Path parameters

- `id` string, required

## Query parameters

- `url` string, required

## Response `200`

OK.

## Other responses

- `400` — One or more parameters are invalid.
- `403` — Forbidden call in cause of missing or invalid client certificate.
- `406` — URL has not the expected format.
- `500` — Not able to write data. Retry please.

---

[API](https://skmtc.net/eu-federation-gateway-service/apis/efgs-federation-gateway.md) · [All operations](https://skmtc.net/eu-federation-gateway-service/apis/efgs-federation-gateway/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/eu-federation-gateway-service/efgs-federation-gateway/revisions/172696266496/schema)