diff --git a/api-spec/adminapi.yaml b/api-spec/adminapi.yaml
new file mode 100644
index 0000000..596b540
--- /dev/null
+++ b/api-spec/adminapi.yaml
@@ -0,0 +1,37 @@
+get:
+  summary: Get connected peers info
+  description: Retrieve information about connected peers.
+  operationId: getPeerInfo
+  tags:
+    - admin
+  responses:
+    '200':
+      description: Information about a Waku v2 node.
+      content:
+        application/json:
+          schema:
+            type: array
+            items:
+              $ref: "./schemas/apitypes.yaml#/WakuPeer"
+    '5XX':
+      description: Unexpected error.
+post:
+  summary: Adds new peer(s) to connect with
+  description: Adds new peer(s) to connect with.
+  operationId: postPeerInfo
+  tags:
+    - admin
+  requestBody:
+    content:
+      application/json:
+        schema:
+          type: array
+          items:
+            type: string
+  responses:
+    '200':
+      description: Ok
+    '400':
+      description: Cannot connect to one or more peers.
+    '5XX':
+      description: Unexpected error.
diff --git a/api-spec/debugapi_info.yaml b/api-spec/debugapi_info.yaml
new file mode 100644
index 0000000..56d7b24
--- /dev/null
+++ b/api-spec/debugapi_info.yaml
@@ -0,0 +1,17 @@
+get:
+  summary: Get node info
+  description: Retrieve information about a Waku v2 node.
+  operationId: getNodeInfo
+  tags:
+    - debug
+  responses:
+    '200':
+      description: Information about a Waku v2 node.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/WakuInfo'
+    '4XX':
+      description: Bad request error.
+    '5XX':
+      description: Unexpected error.
diff --git a/api-spec/debugapi_version.yaml b/api-spec/debugapi_version.yaml
new file mode 100644
index 0000000..85e06d5
--- /dev/null
+++ b/api-spec/debugapi_version.yaml
@@ -0,0 +1,18 @@
+get:
+  summary: Get node version
+  description: Retrieve the Waku v2 node version.
+  operationId: getNodeVersion
+  tags:
+    - debug
+  responses:
+    '200':
+      description: The version of a Waku v2 node.
+      content:
+        text/plain:
+          schema:
+            type: string
+    '4XX':
+      description: Bad request error.
+    '5XX':
+      description: Unexpected error.
+
diff --git a/api-spec/filterapi_v1_messages.yaml b/api-spec/filterapi_v1_messages.yaml
new file mode 100644
index 0000000..2af80d3
--- /dev/null
+++ b/api-spec/filterapi_v1_messages.yaml
@@ -0,0 +1,41 @@
+# Legacy support for v1 waku filter
+# /filter/v1/messages/{contentTopic}:
+get: # get_waku_v2_filter_v1_messages
+  summary: Get the latest messages on the polled content topic
+  description: Get a list of messages that were received on a subscribed content topic after the last time this method was called.
+  operationId: getMessagesByTopic
+  tags:
+    - filter_legacy
+  parameters:
+    - in: path
+      name: contentTopic  # Note the name is the same as in the path
+      required: true
+      schema:
+        type: string
+      description: Content topic of message
+  responses:
+    '200':
+      description: The latest messages on the polled topic.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterGetMessagesResponse'
+    # TODO: Review the possible errors of this endpoint
+    '400':
+      description: Bad request.
+      content:
+        text/plain:
+          schema:
+            type: string
+    '404':
+      description: Not found.
+      content:
+        text/plain:
+          schema:
+            type: string
+    '5XX':
+      description: Unexpected error.
+      content:
+        text/plain:
+          schema:
+            type: string
diff --git a/api-spec/filterapi_v1_subscriptions.yaml b/api-spec/filterapi_v1_subscriptions.yaml
new file mode 100644
index 0000000..4a946e2
--- /dev/null
+++ b/api-spec/filterapi_v1_subscriptions.yaml
@@ -0,0 +1,71 @@
+# Legacy support for v1 waku filter
+# /filter/v1/subscriptions:
+post: # post_waku_v2_filter_v1_subscription
+  summary: Subscribe a node to an array of topics
+  description: Subscribe a node to an array of content topics.
+  operationId: postSubscriptions
+  tags:
+    - filter_legacy
+  requestBody:
+    content:
+      application/json:
+        schema:
+          $ref: './schemas/apitypes.yaml#/FilterLegacySubscribeRequest'
+  responses:
+    '200':
+      description: OK
+      content:
+        text/plain:
+          schema:
+            type: string
+    # TODO: Review the possible errors of this endpoint
+    '400':
+      description: Bad request.
+      content:
+        text/plain:
+          schema:
+            type: string
+    '5XX':
+      description: Unexpected error.
+      content:
+        text/plain:
+          schema:
+            type: string
+
+delete: # delete_waku_v2_filter_v1_subscription
+  summary: Unsubscribe a node from an array of topics
+  description: Unsubscribe a node from an array of content topics.
+  operationId: deleteSubscriptions
+  tags:
+    - filter
+  requestBody:
+    content:
+      application/json:
+        schema:
+          $ref: './schemas/apitypes.yaml#/FilterLegacySubscribeRequest'
+  responses:
+    '200':
+      description: OK
+      content:
+        text/plain:
+          schema:
+            type: string
+    # TODO: Review the possible errors of this endpoint
+    '400':
+      description: Bad request.
+      content:
+        text/plain:
+          schema:
+            type: string
+    '404':
+      description: Not found.
+      content:
+        text/plain:
+          schema:
+            type: string
+    '5XX':
+      description: Unexpected error.
+      content:
+        text/plain:
+          schema:
+            type: string
diff --git a/api-spec/filterapi_v2_messages.yaml b/api-spec/filterapi_v2_messages.yaml
new file mode 100644
index 0000000..59dea60
--- /dev/null
+++ b/api-spec/filterapi_v2_messages.yaml
@@ -0,0 +1,40 @@
+# /filter/v2/messages/{contentTopic}:
+get: # get_waku_v2_filter_v2_messages
+  summary: Get the latest messages on the polled content topic
+  description: Get a list of messages that were received on a subscribed content topic after the last time this method was called.
+  operationId: getMessagesByTopic
+  tags:
+    - filter
+  parameters:
+    - in: path
+      name: contentTopic  # Note the name is the same as in the path
+      required: true
+      schema:
+        type: string
+      description: Content topic of message
+  responses:
+    '200':
+      description: The latest messages on the polled topic.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterGetMessagesResponse'
+    # TODO: Review the possible errors of this endpoint
+    '400':
+      description: Bad request.
+      content:
+        text/plain:
+          schema:
+            type: string
+    '404':
+      description: Not found.
+      content:
+        text/plain:
+          schema:
+            type: string
+    '5XX':
+      description: Unexpected error.
+      content:
+        text/plain:
+          schema:
+            type: string
diff --git a/api-spec/filterapi_v2_subscription_ping.yaml b/api-spec/filterapi_v2_subscription_ping.yaml
new file mode 100644
index 0000000..153de79
--- /dev/null
+++ b/api-spec/filterapi_v2_subscription_ping.yaml
@@ -0,0 +1,42 @@
+# /filter/v2/subscriptions/{requestId}:
+get: # get_waku_v2_filter_v2_subscription - ping
+  summary: Subscriber-ping - a peer can query if there is a registered subscription for it
+  description: |
+      Subscriber peer can query its subscription existence on service node.
+      Returns HTTP200 if exists and HTTP404 if not.
+      Client must not fill anything but requestId in the request body.
+  operationId: subscriberPing
+  tags:
+    - filter
+  parameters:
+    - in: path
+      name: requestId
+      required: true
+      schema:
+        type: string
+      description: Id of ping request
+  responses:
+    '200':
+      description: OK
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
+    '400':
+      description: Bad request.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
+    '404':
+      description: Not found.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
+    '5XX':
+      description: Unexpected error.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
diff --git a/api-spec/filterapi_v2_subscriptions.yaml b/api-spec/filterapi_v2_subscriptions.yaml
new file mode 100644
index 0000000..500387c
--- /dev/null
+++ b/api-spec/filterapi_v2_subscriptions.yaml
@@ -0,0 +1,126 @@
+# /filter/v2/subscriptions:
+post: # post_waku_v2_filter_v2_subscription
+  summary: Subscribe a peer to an array of content topics under a pubsubTopic
+  description: |
+      Subscribe a peer to an array of content topics under a pubsubTopic.
+
+      It is allowed to refresh or add new content topic to an existing subscription.
+
+      Fields pubsubTopic and contentFilters must be filled.
+  operationId: postSubscriptions
+  tags:
+    - filter
+  requestBody:
+    content:
+      application/json:
+        schema:
+          $ref: './schemas/apitypes.yaml#/FilterSubscribeRequest'
+  responses:
+    '200':
+      description: OK
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
+    # TODO: Review the possible errors of this endpoint
+    '400':
+      description: Bad request.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
+    '404':
+      description: Not found.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
+    '5XX':
+      description: Unexpected error.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
+
+put: # put_waku_v2_filter_v2_subscription
+  summary: Modify existing subscription of a peer under a pubsubTopic
+  description: |
+      Modify existing subscription of a peer under a pubsubTopic.
+
+      It is allowed to refresh or add new content topic to an existing subscription.
+
+      Fields pubsubTopic and contentFilters must be filled.
+  operationId: putSubscriptions
+  tags:
+    - filter
+  requestBody:
+    content:
+      application/json:
+        schema:
+          $ref: './schemas/apitypes.yaml#/FilterSubscribeRequest'
+  responses:
+    '200':
+      description: OK
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
+    # TODO: Review the possible errors of this endpoint
+    '400':
+      description: Bad request.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
+    '404':
+      description: Not found.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
+    '5XX':
+      description: Unexpected error.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
+
+
+delete: # delete_waku_v2_filter_v2_subscription
+  summary: Unsubscribe a peer from content topics
+  description: |
+      Unsubscribe a peer from content topics
+      Only that subscription will be removed which matches existing.
+  operationId: deleteSubscriptions
+  tags:
+    - filter
+  requestBody:
+    content:
+      application/json:
+        schema:
+          $ref: './schemas/apitypes.yaml#/FilterUnsubscribeRequest'
+  responses:
+    '200':
+      description: OK
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
+    '400':
+      description: Bad request.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
+    '404':
+      description: Not found.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
+    '5XX':
+      description: Unexpected error.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
diff --git a/api-spec/filterapi_v2_subscriptions_all.yaml b/api-spec/filterapi_v2_subscriptions_all.yaml
new file mode 100644
index 0000000..6c5dc89
--- /dev/null
+++ b/api-spec/filterapi_v2_subscriptions_all.yaml
@@ -0,0 +1,38 @@
+# /filter/v2/subscriptions/all:
+delete: # delete_waku_v2_filter_v2_subscription
+  summary: Unsubscribe a peer from all content topics
+  description: |
+      Unsubscribe a peer from all content topics
+  operationId: deleteAllSubscriptions
+  tags:
+    - filter
+  requestBody:
+    content:
+      application/json:
+        schema:
+          $ref: './schemas/apitypes.yaml#/FilterUnsubscribeAllRequest'
+  responses:
+    '200':
+      description: OK
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
+    '400':
+      description: Bad request.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
+    '404':
+      description: Not found.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
+    '5XX':
+      description: Unexpected error.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/FilterSubscriptionResponse'
diff --git a/api-spec/healthapi.yaml b/api-spec/healthapi.yaml
new file mode 100644
index 0000000..6bd5400
--- /dev/null
+++ b/api-spec/healthapi.yaml
@@ -0,0 +1,27 @@
+get:
+  summary: Get node health status
+  description: Retrieve readiness of a Waku v2 node.
+  operationId: healthcheck
+  tags:
+    - health
+  responses:
+    '200':
+      description: Waku v2 node is up and running.
+      content:
+        text/plain:
+            schema:
+              type: string
+              example: Node is healty
+    '500':
+      description: Internal server error
+      content:
+        text/plain:
+            schema:
+              type: string
+    '503':
+      description: Node not initialized or having issues
+      content:
+        text/plain:
+            schema:
+              type: string
+              example: Node is not initialized
diff --git a/api-spec/lightpushapi.yaml b/api-spec/lightpushapi.yaml
new file mode 100644
index 0000000..6fc3524
--- /dev/null
+++ b/api-spec/lightpushapi.yaml
@@ -0,0 +1,36 @@
+post:
+  summary: Request a message relay from a LightPush service provider
+  description: Push a message to be relayed on a PubSub topic.
+  operationId: postMessagesToPubsubTopic
+  tags:
+    - lightpush
+  requestBody:
+    content:
+      application/json:
+        schema:
+          $ref: './schemas/apitypes.yaml#/PushRequest'
+  responses:
+    '200':
+      description: OK
+      content:
+        text/plain:
+          schema:
+            type: string
+    '400':
+      description: Bad request.
+      content:
+        text/plain:
+          schema:
+            type: string
+    '500':
+      description: Internal server error
+      content:
+        text/plain:
+          schema:
+            type: string
+    '503':
+      description: Service not available
+      content:
+        text/plain:
+          schema:
+            type: string
diff --git a/api-spec/openapi.yaml b/api-spec/openapi.yaml
new file mode 100644
index 0000000..077462d
--- /dev/null
+++ b/api-spec/openapi.yaml
@@ -0,0 +1,66 @@
+openapi: 3.0.3
+info:
+  title: Waku V2 node REST API
+  version: 1.0.0
+  description:
+  contact:
+    name: VAC Team
+    url: https://forum.vac.dev/
+  servers:
+    - url: http://localhost:8545
+      description: Accessing your wakunode via API is possible normally via localhost on defaul port 8545.
+tags:
+  - name: admin
+    description: Control of the connected peers.
+  - name: debug
+    description: Information about a Waku v2 node.
+  - name: health
+    description: Health check of a Waku v2 node.
+  - name: lightpush
+    description: Interface to request a message relay. See [19/WAKU2-LIGHTPUSH](https://rfc.vac.dev/spec/19/) RFC
+  - name: relay
+    description: Control of the relaying of messages. See [11/WAKU2-RELAY](https://rfc.vac.dev/spec/11/) RFC
+  - name: store
+    description: Retrieve the message history. See [13/WAKU2-STORE](https://rfc.vac.dev/spec/13/) RFC
+  - name: filter
+    description: Control of the content filtering. See [12/WAKU2-FILTER](https://rfc.vac.dev/spec/12/) RFC
+  - name: filter_legacy
+    description: Obsolate Filter interface kept for compatibility reason. Will be removed in future.
+paths:
+  /admin/v1/peers:
+    $ref: "./adminapi.yaml"
+  /debug/v1/info:
+     $ref: "./debugapi_info.yaml"
+  /debug/v1/version:
+     $ref: "./debugapi_version.yaml"
+  /health:
+    $ref: "./healthapi.yaml"
+  /lightpush/v1/message:
+    $ref: "./lightpushapi.yaml"
+  /relay/v1/messages/{pubsubTopic}:
+    $ref: "./relayapi_messages.yaml"
+  /relay/v1/subscriptions:
+    $ref: "./relayapi_subscriptions.yaml"
+  /relay/v1/auto/messages/{contentTopic}:
+    $ref: "./relayapi_auto_content_topic.yaml"
+  /relay/v1/auto/messages:
+    $ref: "./relayapi_auto_messages.yaml"
+  /relay/v1/auto/subscriptions:
+    $ref: "./relayapi_auto_subscriptions.yaml"
+  /store/v1/messages:
+    $ref: "./storeapi.yaml"
+  /filter/v1/subscriptions:
+    $ref: "./filterapi_v1_subscriptions.yaml"
+  /filter/v1/messages/{contentTopic}:
+    $ref: "./filterapi_v1_messages.yaml"
+  /filter/v2/subscriptions/{requestId}:
+    $ref: "./filterapi_v2_subscription_ping.yaml"
+  /filter/v2/subscriptions:
+    $ref: "./filterapi_v2_subscriptions.yaml"
+  /filter/v2/subscriptions/all:
+    $ref: "./filterapi_v2_subscriptions_all.yaml"
+  /filter/v2/messages/{contentTopic}:
+    $ref: "./filterapi_v2_messages.yaml"
+components:
+  schemas:
+    $ref: "./schemas/apitypes.yaml"
diff --git a/api-spec/relayapi_auto_content_topic.yaml b/api-spec/relayapi_auto_content_topic.yaml
new file mode 100644
index 0000000..8cb06f0
--- /dev/null
+++ b/api-spec/relayapi_auto_content_topic.yaml
@@ -0,0 +1,25 @@
+# /relay/v1/auto/messages/{contentTopic}:  # Note the plural in messages
+get: # get_waku_v2_relay_v1_auto_messages
+  summary: Get the latest messages on the polled topic
+  description: Get a list of messages that were received on a subscribed Content topic after the last time this method was called.
+  operationId: getMessagesByTopic
+  tags:
+    - relay
+  parameters:
+    - in: path
+      name: contentTopic   # Note the name is the same as in the path
+      required: true
+      schema:
+        type: string
+      description: The user ID
+  responses:
+    '200':
+      description: The latest messages on the polled topic.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/RelayGetMessagesResponse'
+    '4XX':
+      description: Bad request.
+    '5XX':
+      description: Unexpected error.
diff --git a/api-spec/relayapi_auto_messages.yaml b/api-spec/relayapi_auto_messages.yaml
new file mode 100644
index 0000000..741009c
--- /dev/null
+++ b/api-spec/relayapi_auto_messages.yaml
@@ -0,0 +1,19 @@
+# /relay/v1/auto/messages:  # Note the plural in messages
+post: # post_waku_v2_relay_v1_auto_message
+  summary: Publish a message to be relayed
+  description: Publishes a message to be relayed on a Content topic.
+  operationId: postMessagesToTopic
+  tags:
+    - relay
+  requestBody:
+    content:
+      application/json:
+        schema:
+          $ref: './schemas/apitypes.yaml#/RelayPostMessagesRequest'
+  responses:
+    '200':
+      description: OK
+    '4XX':
+      description: Bad request.
+    '5XX':
+      description: Unexpected error.
diff --git a/api-spec/relayapi_auto_subscriptions.yaml b/api-spec/relayapi_auto_subscriptions.yaml
new file mode 100644
index 0000000..74504c6
--- /dev/null
+++ b/api-spec/relayapi_auto_subscriptions.yaml
@@ -0,0 +1,50 @@
+# /relay/v1/auto/subscriptions:
+post: # post_waku_v2_relay_v1_auto_subscriptions
+  summary: Subscribe a node to an array of topics
+  description: Subscribe a node to an array of Content topics.
+  operationId: postSubscriptions
+  tags:
+    - relay
+  requestBody:
+    content:
+      application/json:
+        schema:
+          type array:
+          items:
+            $ref: './schemas/apitypes.yaml#/ContentTopic'
+  responses:
+    '200':
+      description: OK
+      content:
+        text/plain:
+          schema:
+            type: string
+    '4XX':
+      description: Bad request.
+    '5XX':
+      description: Unexpected error.
+
+delete: # delete_waku_v2_relay_v1_auto_subscriptions
+  summary: Unsubscribe a node from an array of topics
+  description: Unsubscribe a node from an array of Content topics.
+  operationId: deleteSubscriptions
+  tags:
+    - relay
+  requestBody:
+    content:
+      application/json:
+        schema:
+          type array:
+          items:
+            $ref: './schemas/apitypes.yaml#/ContentTopic'
+  responses:
+    '200':
+      description: OK
+      content:
+        text/plain:
+          schema:
+            type: string
+    '4XX':
+      description: Bad request.
+    '5XX':
+      description: Unexpected error.
diff --git a/api-spec/relayapi_messages.yaml b/api-spec/relayapi_messages.yaml
new file mode 100644
index 0000000..898a1da
--- /dev/null
+++ b/api-spec/relayapi_messages.yaml
@@ -0,0 +1,51 @@
+# /relay/v1/messages/{pubsubTopic}:  # Note the plural in messages
+get: # get_waku_v2_relay_v1_messages
+  summary: Get the latest messages on the polled topic
+  description: Get a list of messages that were received on a subscribed PubSub topic after the last time this method was called.
+  operationId: getMessagesByTopic
+  tags:
+    - relay
+  parameters:
+    - in: path
+      name: pubsubTopic   # Note the name is the same as in the path
+      required: true
+      schema:
+        type: string
+      description: The user ID
+  responses:
+    '200':
+      description: The latest messages on the polled topic.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/RelayGetMessagesResponse'
+    '4XX':
+      description: Bad request.
+    '5XX':
+      description: Unexpected error.
+
+post: # post_waku_v2_relay_v1_message
+  summary: Publish a message to be relayed
+  description: Publishes a message to be relayed on a PubSub topic.
+  operationId: postMessagesToTopic
+  tags:
+    - relay
+  parameters:
+    - in: path
+      name: pubsubTopic   # Note the name is the same as in the path
+      description: The messages content topic
+      required: true
+      schema:
+        $ref: './schemas/apitypes.yaml#/RelayPostMessagesRequest'
+  requestBody:
+    content:
+      application/json:
+        schema:
+          $ref: './schemas/apitypes.yaml#/RelayPostMessagesRequest'
+  responses:
+    '200':
+      description: OK
+    '4XX':
+      description: Bad request.
+    '5XX':
+      description: Unexpected error.
diff --git a/api-spec/relayapi_subscriptions.yaml b/api-spec/relayapi_subscriptions.yaml
new file mode 100644
index 0000000..40bc3d0
--- /dev/null
+++ b/api-spec/relayapi_subscriptions.yaml
@@ -0,0 +1,50 @@
+# /relay/v1/subscriptions:
+post: # post_waku_v2_relay_v1_subscriptions
+  summary: Subscribe a node to an array of topics
+  description: Subscribe a node to an array of PubSub topics.
+  operationId: postSubscriptions
+  tags:
+    - relay
+  requestBody:
+    content:
+      application/json:
+        schema:
+          type array:
+          items:
+            $ref: './schemas/apitypes.yaml#/PubsubTopic'
+  responses:
+    '200':
+      description: OK
+      content:
+        text/plain:
+          schema:
+            type: string
+    '4XX':
+      description: Bad request.
+    '5XX':
+      description: Unexpected error.
+
+delete: # delete_waku_v2_relay_v1_subscriptions
+  summary: Unsubscribe a node from an array of topics
+  description: Unsubscribe a node from an array of PubSub topics.
+  operationId: deleteSubscriptions
+  tags:
+    - relay
+  requestBody:
+    content:
+      application/json:
+        schema:
+          type array:
+          items:
+            $ref: './schemas/apitypes.yaml#/PubsubTopic'
+  responses:
+    '200':
+      description: OK
+      content:
+        text/plain:
+          schema:
+            type: string
+    '4XX':
+      description: Bad request.
+    '5XX':
+      description: Unexpected error.
diff --git a/api-spec/schemas/apitypes.yaml b/api-spec/schemas/apitypes.yaml
new file mode 100644
index 0000000..d5c0657
--- /dev/null
+++ b/api-spec/schemas/apitypes.yaml
@@ -0,0 +1,189 @@
+WakuPeer:
+  type: object
+  required:
+    - multiaddr
+    - protocols
+  properties:
+    multiaddr:
+      type: string
+    protocols:
+      type: array
+      items:
+        type: object
+        required:
+          - protocol
+          - connected
+        properties:
+          protocol:
+            type: string
+          connected:
+            type: boolean
+
+WakuInfo:
+  type: object
+  properties:
+    listenAddresses:
+      type: array
+      items:
+        type: string
+    enrUri:
+      type: string
+  required:
+    - listenAddresses
+
+PubsubTopic:
+  type: string
+ContentTopic:
+  type: string
+
+FilterLegacySubscribeRequest:
+  type: object
+  properties:
+    contentFilters:
+      type: array
+      items:
+        $ref: '#/ContentTopic'
+    pubsubTopic:
+      $ref: "#/PubsubTopic"
+  required:
+    -  contentFilters
+
+FilterGetMessagesResponse:
+  type: array
+  items:
+    $ref: '#/WakuMessage'
+
+FilterSubscribeRequest:
+  type: object
+  properties:
+    requestId:
+      type: string
+    contentFilters:
+      type: array
+      items:
+        $ref: '#/ContentTopic'
+    pubsubTopic:
+      $ref: "#/PubsubTopic"
+  required:
+    -  requestId
+    -  contentFilters
+    -  pubsubTopic
+
+FilterUnsubscribeRequest:
+  type: object
+  properties:
+    requestId:
+      type: string
+    contentFilters:
+      type: array
+      items:
+        $ref: '#/ContentTopic'
+    pubsubTopic:
+      $ref: "#/PubsubTopic"
+  required:
+    -  requestId
+    -  contentFilters
+
+FilterUnsubscribeAllRequest:
+  type: object
+  properties:
+    requestId:
+      type: string
+  required:
+    -  requestId
+
+FilterSubscriptionResponse:
+  type: object
+  properties:
+    requestId:
+      type: string
+    statusDesc:
+      type: string
+  required:
+    -  requestId
+
+WakuMessage:
+  type: object
+  properties:
+    payload:
+      type: string
+      format: byte
+    contentTopic:
+      $ref: '#/ContentTopic'
+    version:
+      type: integer
+      format: int32
+    timestamp:
+      type: integer
+      format: int64
+    ephemeral:
+      type: boolean
+  required:
+      - payload
+      - contentTopic
+
+PushRequest:
+  type: object
+  properties:
+    pusbsubTopic:
+      $ref: '#/PubsubTopic'
+    message:
+      $ref: '#/WakuMessage'
+  required:
+    - message
+
+## TODO: Check if it can be tunneled into the one WakuMessage structure
+##       mainly because of Relay post message request can break in client code
+RelayWakuMessage:
+  type: object
+  properties:
+    payload:
+      type: string
+      format: byte
+    contentTopic:
+      $ref: '#/ContentTopic'
+    version:
+      type: number
+    timestamp:
+      type: number
+  required:
+    - payload
+
+RelayGetMessagesResponse:
+  type: array
+  items:
+    $ref: '#/RelayWakuMessage'
+
+RelayPostMessagesRequest:
+  $ref: '#/RelayWakuMessage'
+
+StoreResponse:
+  type: object
+  properties:
+    messages:
+      type: array
+      items:
+        $ref: '#/WakuMessage'
+    cursor:
+      $ref: '#/HistoryCursor'
+    error_message:
+      type: string
+  required:
+    - messages
+
+HistoryCursor:
+  type: object
+  properties:
+    pubsub_topic:
+      type: string
+    sender_time:
+      type: string
+    store_time:
+      type: string
+    digest:
+      type: string
+    required:
+      - pubsub_topic
+      - sender_time
+      - store_time
+      - digest
diff --git a/api-spec/storeapi.yaml b/api-spec/storeapi.yaml
new file mode 100644
index 0000000..42dd227
--- /dev/null
+++ b/api-spec/storeapi.yaml
@@ -0,0 +1,138 @@
+# /store/v1/messages:
+get:
+  summary: Gets message history
+  description: >
+    Retrieves WakuV2 message history. The returned history
+    can be potentially filtered by optional request parameters.
+  operationId: getMessageHistory
+  tags:
+    - store
+  parameters:
+    - name: peerAddr
+      in: query
+      schema:
+        type: string
+      required: true
+      description: >
+        P2P fully qualified peer multiaddress
+        in the format `(ip4|ip6)/tcp/p2p/$peerId` and URL-encoded.
+      example: '%2Fip4%2F127.0.0.1%2Ftcp%2F60001%2Fp2p%2F16Uiu2HAmVFXtAfSj4EiR7mL2KvL4EE2wztuQgUSBoj2Jx2KeXFLN'
+
+    - name: pubsubTopic
+      in: query
+      schema:
+        type: string
+      description: >
+        The pubsub topic on which a WakuMessage is published.
+        If left empty, no filtering is applied.
+        It is also intended for pagination purposes.
+        It should be a URL-encoded string.
+      example: 'my%20pubsub%20topic'
+
+    - name: contentTopics
+      in: query
+      schema: string
+      description: >
+        Comma-separated list of content topics. When specified,
+        only WakuMessages that are linked to any of the given
+        content topics will be delivered in the get response.
+        It should be a URL-encoded-comma-separated string.
+      example: 'my%20first%20content%20topic%2Cmy%20second%20content%20topic%2Cmy%20third%20content%20topic'
+
+    - name: startTime
+      in: query
+      schema:
+        type: string
+      description: >
+        The inclusive lower bound on the timestamp of
+        queried WakuMessages. This field holds the
+        Unix epoch time in nanoseconds as a 64-bits
+        integer value.
+      example: '1680590945000000000'
+
+    - name: endTime
+      in: query
+      schema:
+        type: string
+      description: >
+        The inclusive upper bound on the timestamp of
+        queried WakuMessages. This field holds the
+        Unix epoch time in nanoseconds as a 64-bits
+        integer value.
+      example: '1680590945000000000'
+
+    - name: senderTime
+      in: query
+      schema:
+        type: string
+      description: >
+        Cursor field intended for pagination purposes.
+        Represents the Unix time in nanoseconds at which a message was generated.
+        It could be empty for retrieving the first page,
+        and will be returned from the GET response so that
+        it can be part of the next page request.
+      example: '1680590947000000000'
+
+    - name: storeTime
+      in: query
+      schema:
+        type: string
+      description: >
+        Cursor field intended for pagination purposes.
+        Represents the Unix time in nanoseconds at which a message was stored.
+        It could be empty for retrieving the first page,
+        and will be returned from the GET response so that
+        it can be part of the next page request.
+      example: '1680590945000000000'
+
+    - name: digest
+      in: query
+      schema:
+        type: string
+      description: >
+        Cursor field intended for pagination purposes.
+        URL-base64-encoded string computed as a hash of the
+        a message content topic plus a message payload.
+        It could be empty for retrieving the first page,
+        and will be returned from the GET response so that
+        it can be part of the next page request.
+      example: 'Gc4ACThW5t2QQO82huq3WnDv%2FapPPJpD%2FwJfxDxAnR0%3D'
+
+    - name: pageSize
+      in: query
+      schema:
+        type: string
+      description: >
+        Number of messages to retrieve per page
+      example: '5'
+
+    - name: ascending
+      in: query
+      schema:
+        type: string
+      description: >
+        "true" for paging forward, "false" for paging backward
+      example: "true"
+
+  responses:
+    '200':
+      description: WakuV2 message history.
+      content:
+        application/json:
+          schema:
+            $ref: './schemas/apitypes.yaml#/StoreResponse'
+    '400':
+      description: Bad request error.
+      content:
+        text/plain:
+          type: string
+    '412':
+      description: Precondition failed.
+      content:
+        text/plain:
+          type: string
+    '500':
+      description: Internal server error.
+      content:
+        text/plain:
+          type: string