---
title: "POST /#Action=ModifyClusterIamRoles"
method: POST
path: "/#Action=ModifyClusterIamRoles"
---

# POST /#Action=ModifyClusterIamRoles

`POST /#Action=ModifyClusterIamRoles`

Modifies the list of Identity and Access Management (IAM) roles that can be used by the cluster to access other Amazon Web Services services.

The maximum number of IAM roles that you can associate is subject to a quota. For more information, go to [Quotas and limits](https://docs.aws.amazon.com/redshift/latest/mgmt/amazon-redshift-limits.html) in the _Amazon Redshift Cluster Management Guide_.

## Query parameters

- `Action` 'ModifyClusterIamRoles', required
- `Version` '2012-12-01', required

## Response `200`

Success

## Other responses

- `480` — InvalidClusterStateFault
- `481` — ClusterNotFoundFault

---

[API](https://skmtc.net/aws/apis/redshift.md) · [All operations](https://skmtc.net/aws/apis/redshift/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/aws/redshift/versions/20d3543bb6e9/schema)