diff --git a/README.md b/README.md
index 004073138..6e346b814 100644
--- a/README.md
+++ b/README.md
@@ -960,6 +960,7 @@ module "cluster_pattern" {
 | <a name="output_cos_bucket_data"></a> [cos\_bucket\_data](#output\_cos\_bucket\_data) | List of data for COS buckets creaed |
 | <a name="output_cos_bucket_names"></a> [cos\_bucket\_names](#output\_cos\_bucket\_names) | List of names for COS buckets created |
 | <a name="output_cos_data"></a> [cos\_data](#output\_cos\_data) | List of Cloud Object Storage instance data |
+| <a name="output_cos_key_credentials_map"></a> [cos\_key\_credentials\_map](#output\_cos\_key\_credentials\_map) | Map of resource key credentials created for COS instances, organized by the key name supplied in the `cos.keys[]` input variable. Contains sensitive output including API keys and HMAC credentials. |
 | <a name="output_cos_key_names"></a> [cos\_key\_names](#output\_cos\_key\_names) | List of names for created COS keys |
 | <a name="output_cos_names"></a> [cos\_names](#output\_cos\_names) | List of Cloud Object Storage instance names |
 | <a name="output_f5_hosts"></a> [f5\_hosts](#output\_f5\_hosts) | List of bastion host names |
diff --git a/outputs.tf b/outputs.tf
index 4703099b8..f4796181a 100644
--- a/outputs.tf
+++ b/outputs.tf
@@ -147,6 +147,21 @@ output "cos_key_names" {
   ]
 }
 
+output "cos_key_credentials_map" {
+  description = "Map of resource key credentials created for COS instances, organized by the key name supplied in the `cos.keys[]` input variable. Contains sensitive output including API keys and HMAC credentials."
+  value = {
+    for k, v in ibm_resource_key.key : k => {
+      guid : v.guid
+      id : v.id
+      crn : v.crn
+      name : v.name
+      credentials : v.credentials
+      credentials_json : v.credentials_json
+    }
+  }
+  sensitive = true
+}
+
 output "cos_bucket_names" {
   description = "List of names for COS buckets created"
   value = [