---
title: "Update effective date for a single group network participation"
method: PATCH
path: "/groups/{groupId}/networks/{networkId}/effective-date"
tags: ["Group"]
---

# Update effective date for a single group network participation

`PATCH /groups/{groupId}/networks/{networkId}/effective-date`

Updates the effective date on one TenantGroupNetwork row for the given group and network. Does not update child location-network or practitioner-network rows. CP-36592.

## Path parameters

- `groupId` string, required
- `networkId` string, required

## Headers

- `tenant-id` string

## Request body

- UpdateGroupNetworkEffectiveDateRequest
  - `effectiveDate` string, required
  - `changeReason` string

## Response `200`

Group network effective date successfully updated

- UpdateGroupNetworkEffectiveDateResponse — Response for updating effective date of a single group network participation
  - `tenantGroupNetworkId` string, required — ID of the updated tenant group network row
  - `tenantGroupId` string, required — Tenant group ID
  - `networkId` string, required — Network ID
  - `effectiveDate` string, required — Updated effective date (YYYY-MM-DD)

## Other responses

- `400` — Invalid request body or validation failure
- `404` — Group or group-network participation not found
- `500` — Internal server error during request processing

---

[API](https://skmtc.net/certifyos/apis/certify-api-layer.md) · [All operations](https://skmtc.net/certifyos/apis/certify-api-layer/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/certifyos/certify-api-layer/revisions/563848e0ecc0/schema)