diff --git a/cps-rest/docs/openapi/components.yml b/cps-rest/docs/openapi/components.yml
index 5a21a73..8398714 100644
--- a/cps-rest/docs/openapi/components.yml
+++ b/cps-rest/docs/openapi/components.yml
@@ -1,3 +1,19 @@
+# ============LICENSE_START=======================================================
+# Copyright (c) 2021 Bell Canada.
+# ================================================================================
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============LICENSE_END=========================================================
+
 components:
   schemas:
     ErrorMessage:
diff --git a/cps-rest/docs/openapi/cpsAdmin.yml b/cps-rest/docs/openapi/cpsAdmin.yml
index cf26299..cb55948 100644
--- a/cps-rest/docs/openapi/cpsAdmin.yml
+++ b/cps-rest/docs/openapi/cpsAdmin.yml
@@ -1,3 +1,19 @@
+# ============LICENSE_START=======================================================
+# Copyright (c) 2021 Bell Canada.
+# ================================================================================
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============LICENSE_END=========================================================
+
 dataspaces:
   post:
     description: Create a new dataspace
diff --git a/cps-rest/docs/openapi/cpsData.yml b/cps-rest/docs/openapi/cpsData.yml
index aa8a31d..fb21f75 100644
--- a/cps-rest/docs/openapi/cpsData.yml
+++ b/cps-rest/docs/openapi/cpsData.yml
@@ -1,3 +1,19 @@
+# ============LICENSE_START=======================================================
+# Copyright (c) 2021 Bell Canada.
+# ================================================================================
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============LICENSE_END=========================================================
+
 nodeByDataspaceAndAnchor:
   get:
     description: Get a node with an option to retrieve all the children for a given anchor and dataspace
diff --git a/cps-rest/docs/openapi/cpsQuery.yml b/cps-rest/docs/openapi/cpsQuery.yml
index 779c9a0..4d28fd9 100644
--- a/cps-rest/docs/openapi/cpsQuery.yml
+++ b/cps-rest/docs/openapi/cpsQuery.yml
@@ -1,3 +1,20 @@
+#  ============LICENSE_START=======================================================
+#  Copyright (C) 2021 Nordix Foundation
+#  ================================================================================
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#        http://www.apache.org/licenses/LICENSE-2.0
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+#  SPDX-License-Identifier: Apache-2.0
+#  ============LICENSE_END=========================================================
+
 nodesByDataspaceAndAnchorAndCpsPath:
   get:
     description: Query data nodes for the given dataspace and anchor using CPS path
diff --git a/cps-rest/docs/openapi/openapi.yml b/cps-rest/docs/openapi/openapi.yml
index 3c0cc09..b1f1c17 100644
--- a/cps-rest/docs/openapi/openapi.yml
+++ b/cps-rest/docs/openapi/openapi.yml
@@ -1,3 +1,20 @@
+#  ============LICENSE_START=======================================================
+#  Copyright (C) 2021 Nordix Foundation
+#  ================================================================================
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#        http://www.apache.org/licenses/LICENSE-2.0
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+#  SPDX-License-Identifier: Apache-2.0
+#  ============LICENSE_END=========================================================
+
 openapi: 3.0.1
 info:
   title: ONAP Open API v3 Configuration Persistence Service