diff --git a/src/iam/router.py b/src/iam/router.py
index b1b2dab..77c02e0 100644
--- a/src/iam/router.py
+++ b/src/iam/router.py
@@ -157,9 +157,56 @@ async def can_act_on_resource(
 	status_code=status.HTTP_200_OK,
 	response_model=IAMGetGroupPermissionsResponse,
 	responses={
+		status.HTTP_422_UNPROCESSABLE_CONTENT: {
+			"description": "Unprocessable content.",
+			"content": {
+				"application/json": {
+					"examples": {
+						"org_id": {"summary": "Invalid or missing org ID."},
+						"oidc_claims": {"summary": "Invalid or missing OIDC claims."},
+					}
+				}
+			},
+		},
 		status.HTTP_401_UNAUTHORIZED: {
-			"description": "Group does not belong to this organisation"
-		}
+			"description": "Unauthorized",
+			"content": {
+				"application/json": {
+					"examples": {
+						"awaiting_approval": {
+							"summary": "Organisation has not yet been approved."
+						},
+						"expired_token": {"summary": "User token has expired."},
+						"oidc": {"summary": "Failed to verify OIDC claims."},
+					}
+				}
+			},
+		},
+		status.HTTP_403_FORBIDDEN: {
+			"description": "Forbidden",
+			"content": {
+				"application/json": {
+					"examples": {
+						"not_root": {"summary": "Not authorised. Must be root user."},
+					}
+				}
+			},
+		},
+		status.HTTP_404_NOT_FOUND: {
+			"description": "Not found",
+			"content": {
+				"application/json": {
+					"examples": {
+						"db_id": {
+							"summary": "User not found in db when checking claims."
+						},
+						"user_model": {"summary": "User model not found in db."},
+						"org_model": {"summary": "Org model not found in db."},
+						"group_model": {"summary": "Group model not found in db."},
+					}
+				}
+			},
+		},
 	},
 )
 async def get_group_permissions(
diff --git a/src/organisation/dependencies.py b/src/organisation/dependencies.py
index 5ad9e0d..67150e5 100644
--- a/src/organisation/dependencies.py
+++ b/src/organisation/dependencies.py
@@ -58,7 +58,7 @@ def get_org_model_body(
 ) -> type[Org]:
 	org_id: Optional[int] = getattr(request_model, "organisation_id", None)
 	if org_id is None:
-		raise OrgNotFoundException
+		raise OrgNotFoundException()
 
 	return get_org_model(db, request, org_id)
 
diff --git a/src/organisation/router.py b/src/organisation/router.py
index 99c10f6..eb74f0a 100644
--- a/src/organisation/router.py
+++ b/src/organisation/router.py
@@ -387,7 +387,29 @@ async def delete_organisation_by_id(
 			"description": "Successfully deleted organisation."
 		},
 		status.HTTP_422_UNPROCESSABLE_CONTENT: {
-			"description": "Org ID missing or invalid."
+			"description": "Unprocessable content.",
+			"content": {
+				"application/json": {
+					"examples": {
+						"org_id": {"summary": "Invalid or missing org ID."},
+						"oidc_claims": {"summary": "Invalid or missing OIDC claims."},
+					}
+				}
+			},
+		},
+		status.HTTP_401_UNAUTHORIZED: {
+			"description": "Unauthorized",
+			"content": {
+				"application/json": {
+					"examples": {
+						"awaiting_approval": {
+							"summary": "Organisation has not yet been approved."
+						},
+						"expired_token": {"summary": "User token has expired."},
+						"oidc": {"summary": "Failed to verify OIDC claims."},
+					}
+				}
+			},
 		},
 		status.HTTP_403_FORBIDDEN: {
 			"description": "Forbidden",
@@ -402,6 +424,20 @@ async def delete_organisation_by_id(
 				}
 			},
 		},
+		status.HTTP_404_NOT_FOUND: {
+			"description": "Not found",
+			"content": {
+				"application/json": {
+					"examples": {
+						"db_id": {
+							"summary": "User not found in db when checking claims."
+						},
+						"user_model": {"summary": "User model not found in db."},
+						"org_model": {"summary": "Org model not found in db."},
+					}
+				}
+			},
+		},
 	},
 )
 async def delete_preapproved_organisation_by_id(
diff --git a/src/service/router.py b/src/service/router.py
index bfd282e..ee0f0ad 100644
--- a/src/service/router.py
+++ b/src/service/router.py
@@ -46,7 +46,28 @@ router = APIRouter(
 	response_model=ServiceGetServiceResponse,
 	responses={
 		status.HTTP_200_OK: {"description": "Successful retrieval from database"},
-		status.HTTP_401_UNAUTHORIZED: {"description": "Unauthorized"},
+		status.HTTP_401_UNAUTHORIZED: {
+			"description": "Unauthorized",
+			"content": {
+				"application/json": {
+					"examples": {
+						"awaiting_approval": {
+							"summary": "Organisation has not yet been approved."
+						},
+					}
+				}
+			},
+		},
+		status.HTTP_403_FORBIDDEN: {
+			"description": "Forbidden",
+			"content": {
+				"application/json": {
+					"examples": {
+						"not_root": {"summary": "Not authorised. Must be root user."},
+					}
+				}
+			},
+		},
 	},
 )
 async def get_all_services(