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

# POST /#Action=AddRoleToDBCluster

`POST /#Action=AddRoleToDBCluster`

Associates an Identity and Access Management (IAM) role with an Neptune DB cluster.

## Query parameters

- `Action` 'AddRoleToDBCluster', required
- `Version` '2014-10-31', required

## Response `200`

Success

## Other responses

- `480` — DBClusterNotFoundFault
- `481` — DBClusterRoleAlreadyExistsFault
- `482` — InvalidDBClusterStateFault
- `483` — DBClusterRoleQuotaExceededFault

---

[API](https://skmtc.net/aws/apis/neptune.md) · [All operations](https://skmtc.net/aws/apis/neptune/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/aws/neptune/versions/c3673ca75718/schema)