diff --git a/_examples/api.ridl b/_examples/api.ridl
index 1bc8c6d..05dde05 100644
--- a/_examples/api.ridl
+++ b/_examples/api.ridl
@@ -31,6 +31,28 @@ service ExampleService
   - GetComplex() => (complex: ComplexType)
   - GetAllOptional() => (optional: Optional)
 
+  - StreamUserNotifications() => stream (StreamNotificationsResponse)
+
+service ExampleService2
+    @deprecated
+  - Ping()
+
+    # GetUserV2 returns user based on given userID.
+    @auth:JWT
+  - GetUserV2(GetUserRequest) => (GetUserResponse)
+
+    # FindUser searches for a user using the given search filter.
+    #
+    # The filters are q (string) and active (bool).
+    #
+    # The minimal length of the "q" filter is 3 characters.
+    @auth:JWT
+  - FindUser(FindUserRequest) => (FindUserResponse)
+
+    # ListUsers returns all users.
+    @auth:JWT
+  - ListUsers(ListUsersRequest) => (ListUsersResponse)
+
   - StreamUserNotifications(StreamNotificationsRequest) => stream (StreamNotificationsResponse)
 
 service AdminService
@@ -90,3 +112,25 @@ struct StreamNotificationsResponse
 struct Notification
   - message: string
   - timestamp: timestamp
+
+struct GetUserRequest
+  - header: map<string,string>
+  - userID: uint64
+
+struct GetUserResponse
+  - code: uint32
+  - user: User
+
+struct FindUserRequest
+  - s: SearchFilter
+
+struct FindUserResponse
+  - name: string
+  - user: User
+
+struct ListUsersRequest
+  - header: map<string,string>
+
+struct ListUsersResponse
+  - users: []User
+
diff --git a/_examples/openapi.gen.yaml b/_examples/openapi.gen.yaml
index f6e9892..7e30cbb 100644
--- a/_examples/openapi.gen.yaml
+++ b/_examples/openapi.gen.yaml
@@ -1,4 +1,4 @@
-# example v0.0.1 55eeccc8db95e08d65f0da63acfdcbd92cc1e6fa
+# example v0.0.1 7fb0c7ec825a4b11489f18f6be64880a8b72ccee
 # --
 # Code generated by webrpc-gen@v0.31.0 with ../ generator; DO NOT EDIT
 # 
@@ -430,6 +430,66 @@ components:
           type: string
         timestamp:
           type: string
+    GetUserRequest:
+      type: object
+      required:
+        - header
+        - userID
+      properties:
+        header:
+          type: object
+          description: 'map<string,string>'
+          additionalProperties:
+            type: string
+        userID:
+          type: number
+    GetUserResponse:
+      type: object
+      required:
+        - code
+        - user
+      properties:
+        code:
+          type: number
+        user:
+          $ref: '#/components/schemas/User'
+    FindUserRequest:
+      type: object
+      required:
+        - s
+      properties:
+        s:
+          $ref: '#/components/schemas/SearchFilter'
+    FindUserResponse:
+      type: object
+      required:
+        - name
+        - user
+      properties:
+        name:
+          type: string
+        user:
+          $ref: '#/components/schemas/User'
+    ListUsersRequest:
+      type: object
+      required:
+        - header
+      properties:
+        header:
+          type: object
+          description: 'map<string,string>'
+          additionalProperties:
+            type: string
+    ListUsersResponse:
+      type: object
+      required:
+        - users
+      properties:
+        users:
+          type: array
+          description: '[]User'
+          items:
+            $ref: '#/components/schemas/User'
     ExampleService_Ping_Request:
       type: object
     ExampleService_GetUser_Request:
@@ -465,9 +525,6 @@ components:
       type: object
     ExampleService_StreamUserNotifications_Request:
       type: object
-      properties:
-        streamNotificationsRequest:
-          $ref: '#/components/schemas/StreamNotificationsRequest'
     ExampleService_Ping_Response:
       type: object
     ExampleService_GetUser_Response:
@@ -511,11 +568,10 @@ components:
       properties:
         optional:
           $ref: '#/components/schemas/Optional'
-    ExampleService_StreamUserNotifications_Response:
+    ExampleService2_Ping_Request:
+      type: object
+    ExampleService2_Ping_Response:
       type: object
-      properties:
-        streamNotificationsResponse:
-          $ref: '#/components/schemas/StreamNotificationsResponse'
     AdminService_ListUsers_Request:
       type: object
     AdminService_ListUsers_Response:
@@ -848,7 +904,7 @@ paths:
           content:
             application/x-ndjson:
               schema:
-                $ref: '#/components/schemas/ExampleService_StreamUserNotifications_Response'
+                $ref: '#/components/schemas/StreamNotificationsResponse'
               # OpenAPI 3.2.0 streaming (itemSchema) is not supported by 3.1.0 tooling:
               # itemSchema:
               #   $ref: '#/components/schemas/ExampleService_StreamUserNotifications_Response'
@@ -876,6 +932,226 @@ paths:
                 - $ref: '#/components/schemas/ErrorWebrpcServerPanic'
                 - $ref: '#/components/schemas/ErrorWebrpcInternalError'
                 - $ref: '#/components/schemas/ErrorDatabaseDown'
+  /rpc/ExampleService2/Ping:
+    post:
+      operationId: ExampleService2-Ping
+      tags: ["ExampleService2"]
+      summary: "Deprecated."
+      deprecated: true
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/ExampleService2_Ping_Request'
+      responses:
+        '200':
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ExampleService2_Ping_Response'
+        '4XX':
+          description: Client error
+          content:
+            application/json:
+              schema:
+                oneOf:
+                - $ref: '#/components/schemas/ErrorWebrpcEndpoint'
+                - $ref: '#/components/schemas/ErrorWebrpcRequestFailed'
+                - $ref: '#/components/schemas/ErrorWebrpcBadRoute'
+                - $ref: '#/components/schemas/ErrorWebrpcBadMethod'
+                - $ref: '#/components/schemas/ErrorWebrpcBadRequest'
+                - $ref: '#/components/schemas/ErrorWebrpcClientAborted'
+                - $ref: '#/components/schemas/ErrorWebrpcStreamLost'
+                - $ref: '#/components/schemas/ErrorRateLimited'
+        '5XX':
+          description: Server error
+          content:
+            application/json:
+              schema:
+                oneOf:
+                - $ref: '#/components/schemas/ErrorWebrpcBadResponse'
+                - $ref: '#/components/schemas/ErrorWebrpcServerPanic'
+                - $ref: '#/components/schemas/ErrorWebrpcInternalError'
+                - $ref: '#/components/schemas/ErrorDatabaseDown'
+  /rpc/ExampleService2/GetUserV2:
+    post:
+      operationId: ExampleService2-GetUserV2
+      tags: ["ExampleService2"]
+      summary: "GetUserV2 returns user based on given userID."
+      security:
+          - JWT: []
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/GetUserRequest'
+      responses:
+        '200':
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/GetUserResponse'
+        '4XX':
+          description: Client error
+          content:
+            application/json:
+              schema:
+                oneOf:
+                - $ref: '#/components/schemas/ErrorWebrpcEndpoint'
+                - $ref: '#/components/schemas/ErrorWebrpcRequestFailed'
+                - $ref: '#/components/schemas/ErrorWebrpcBadRoute'
+                - $ref: '#/components/schemas/ErrorWebrpcBadMethod'
+                - $ref: '#/components/schemas/ErrorWebrpcBadRequest'
+                - $ref: '#/components/schemas/ErrorWebrpcClientAborted'
+                - $ref: '#/components/schemas/ErrorWebrpcStreamLost'
+                - $ref: '#/components/schemas/ErrorRateLimited'
+        '5XX':
+          description: Server error
+          content:
+            application/json:
+              schema:
+                oneOf:
+                - $ref: '#/components/schemas/ErrorWebrpcBadResponse'
+                - $ref: '#/components/schemas/ErrorWebrpcServerPanic'
+                - $ref: '#/components/schemas/ErrorWebrpcInternalError'
+                - $ref: '#/components/schemas/ErrorDatabaseDown'
+  /rpc/ExampleService2/FindUser:
+    post:
+      operationId: ExampleService2-FindUser
+      tags: ["ExampleService2"]
+      summary: "FindUser searches for a user using the given search filter."
+      security:
+          - JWT: []
+      description: |
+        
+        The filters are q (string) and active (bool).
+        
+        The minimal length of the "q" filter is 3 characters.
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/FindUserRequest'
+      responses:
+        '200':
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/FindUserResponse'
+        '4XX':
+          description: Client error
+          content:
+            application/json:
+              schema:
+                oneOf:
+                - $ref: '#/components/schemas/ErrorWebrpcEndpoint'
+                - $ref: '#/components/schemas/ErrorWebrpcRequestFailed'
+                - $ref: '#/components/schemas/ErrorWebrpcBadRoute'
+                - $ref: '#/components/schemas/ErrorWebrpcBadMethod'
+                - $ref: '#/components/schemas/ErrorWebrpcBadRequest'
+                - $ref: '#/components/schemas/ErrorWebrpcClientAborted'
+                - $ref: '#/components/schemas/ErrorWebrpcStreamLost'
+                - $ref: '#/components/schemas/ErrorRateLimited'
+        '5XX':
+          description: Server error
+          content:
+            application/json:
+              schema:
+                oneOf:
+                - $ref: '#/components/schemas/ErrorWebrpcBadResponse'
+                - $ref: '#/components/schemas/ErrorWebrpcServerPanic'
+                - $ref: '#/components/schemas/ErrorWebrpcInternalError'
+                - $ref: '#/components/schemas/ErrorDatabaseDown'
+  /rpc/ExampleService2/ListUsers:
+    post:
+      operationId: ExampleService2-ListUsers
+      tags: ["ExampleService2"]
+      summary: "ListUsers returns all users."
+      security:
+          - JWT: []
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/ListUsersRequest'
+      responses:
+        '200':
+          description: OK
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ListUsersResponse'
+        '4XX':
+          description: Client error
+          content:
+            application/json:
+              schema:
+                oneOf:
+                - $ref: '#/components/schemas/ErrorWebrpcEndpoint'
+                - $ref: '#/components/schemas/ErrorWebrpcRequestFailed'
+                - $ref: '#/components/schemas/ErrorWebrpcBadRoute'
+                - $ref: '#/components/schemas/ErrorWebrpcBadMethod'
+                - $ref: '#/components/schemas/ErrorWebrpcBadRequest'
+                - $ref: '#/components/schemas/ErrorWebrpcClientAborted'
+                - $ref: '#/components/schemas/ErrorWebrpcStreamLost'
+                - $ref: '#/components/schemas/ErrorRateLimited'
+        '5XX':
+          description: Server error
+          content:
+            application/json:
+              schema:
+                oneOf:
+                - $ref: '#/components/schemas/ErrorWebrpcBadResponse'
+                - $ref: '#/components/schemas/ErrorWebrpcServerPanic'
+                - $ref: '#/components/schemas/ErrorWebrpcInternalError'
+                - $ref: '#/components/schemas/ErrorDatabaseDown'
+  /rpc/ExampleService2/StreamUserNotifications:
+    post:
+      operationId: ExampleService2-StreamUserNotifications
+      tags: ["ExampleService2"]
+      summary: ""
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/StreamNotificationsRequest'
+      responses:
+        '200':
+          description: OK
+          content:
+            application/x-ndjson:
+              schema:
+                $ref: '#/components/schemas/StreamNotificationsResponse'
+              # OpenAPI 3.2.0 streaming (itemSchema) is not supported by 3.1.0 tooling:
+              # itemSchema:
+              #   $ref: '#/components/schemas/ExampleService2_StreamUserNotifications_Response'
+        '4XX':
+          description: Client error
+          content:
+            application/json:
+              schema:
+                oneOf:
+                - $ref: '#/components/schemas/ErrorWebrpcEndpoint'
+                - $ref: '#/components/schemas/ErrorWebrpcRequestFailed'
+                - $ref: '#/components/schemas/ErrorWebrpcBadRoute'
+                - $ref: '#/components/schemas/ErrorWebrpcBadMethod'
+                - $ref: '#/components/schemas/ErrorWebrpcBadRequest'
+                - $ref: '#/components/schemas/ErrorWebrpcClientAborted'
+                - $ref: '#/components/schemas/ErrorWebrpcStreamLost'
+                - $ref: '#/components/schemas/ErrorRateLimited'
+        '5XX':
+          description: Server error
+          content:
+            application/json:
+              schema:
+                oneOf:
+                - $ref: '#/components/schemas/ErrorWebrpcBadResponse'
+                - $ref: '#/components/schemas/ErrorWebrpcServerPanic'
+                - $ref: '#/components/schemas/ErrorWebrpcInternalError'
+                - $ref: '#/components/schemas/ErrorDatabaseDown'
   /rpc/AdminService/ListUsers:
     post:
       operationId: AdminService-ListUsers
diff --git a/main.go.tmpl b/main.go.tmpl
index a3ff199..a9c99a2 100644
--- a/main.go.tmpl
+++ b/main.go.tmpl
@@ -106,6 +106,8 @@ components:
     {{- end -}}
     {{- range $_, $service := $services}}
     {{- range $i, $method := $service.Methods}}
+    {{- $isSuccinctInput := and $method.Succinct (eq (len $method.Inputs) 1) -}}
+    {{- if not $isSuccinctInput }}
     {{$service.Name}}_{{$method.Name}}_Request:
       type: object
       {{- if gt (len $method.Inputs) 0 }}
@@ -116,7 +118,10 @@ components:
         {{- end -}}
       {{- end -}}
     {{- end -}}
+    {{- end -}}
     {{- range $_, $method := .Methods}}
+    {{- $isSuccinctOutput := and $method.Succinct (eq (len $method.Outputs) 1) -}}
+    {{- if not $isSuccinctOutput }}
     {{$service.Name}}_{{$method.Name}}_Response:
       type: object
       {{- if gt (len $method.Outputs) 0 }}
@@ -127,11 +132,14 @@ components:
         {{- end -}}
         {{- end -}}
       {{- end -}}
+    {{- end -}}
     {{- end}}
 
 paths:
 {{- range $_, $service := .Services -}}
   {{- range $_, $method := .Methods}}
+  {{- $isSuccinctInput := and $method.Succinct (eq (len $method.Inputs) 1) -}}
+  {{- $isSuccinctOutput := and $method.Succinct (eq (len $method.Outputs) 1) -}}
   {{- $deprecated := index $method.Annotations "deprecated" }}
   /rpc/{{$service.Name}}/{{$method.Name}}:
     post:
@@ -162,7 +170,11 @@ paths:
         content:
           application/json:
             schema:
+              {{- if $isSuccinctInput }}
+              {{ template "fieldType" dict "Type" (index $method.Inputs 0).Type "TypeMap" $typeMap "Indent" "              " }}
+              {{- else }}
               $ref: '#/components/schemas/{{$service.Name}}_{{$method.Name}}_Request'
+              {{- end }}
       responses:
         '200':
           description: OK
@@ -170,11 +182,19 @@ paths:
             {{- if eq $method.StreamOutput false }}
             application/json:
               schema:
+                {{- if $isSuccinctOutput }}
+                {{ template "fieldType" dict "Type" (index $method.Outputs 0).Type "TypeMap" $typeMap "Indent" "                " }}
+                {{- else }}
                 $ref: '#/components/schemas/{{$service.Name}}_{{$method.Name}}_Response'
+                {{- end }}
             {{- else }}
             application/x-ndjson:
               schema:
+                {{- if $isSuccinctOutput }}
+                {{ template "fieldType" dict "Type" (index $method.Outputs 0).Type "TypeMap" $typeMap "Indent" "                " }}
+                {{- else }}
                 $ref: '#/components/schemas/{{$service.Name}}_{{$method.Name}}_Response'
+                {{- end }}
               # OpenAPI 3.2.0 streaming (itemSchema) is not supported by 3.1.0 tooling:
               # itemSchema:
               #   $ref: '#/components/schemas/{{$service.Name}}_{{$method.Name}}_Response'