diff --git a/api/csolution-openapi.yml b/api/csolution-openapi.yml
index dac3aff..eb6dfac 100644
--- a/api/csolution-openapi.yml
+++ b/api/csolution-openapi.yml
@@ -1,7 +1,7 @@
 openapi: 3.1.0
 info:
   title: csolution rpc
-  version: 0.0.3
+  version: 0.0.4
   description: Specification of remote procedure call methods for CMSIS csolution integration
   license:
     name: Apache 2.0
@@ -219,6 +219,17 @@ paths:
         '200':
           description: OK
           content: {application/json: {schema: {$ref: '#/components/schemas/GetDraftProjectsResponse'}}}
+  /rpc/ConvertSolution:
+    post:
+      summary: ConvertSolution
+      description: Convert solution generating build yml files for active target-set
+      tags: [/rpc]
+      requestBody:
+        content: {application/json: {schema: {$ref: '#/components/schemas/ConvertSolutionRequest'}}}
+      responses:
+        '200':
+          description: OK
+          content: {application/json: {schema: {$ref: '#/components/schemas/ConvertSolutionResponse'}}}
 
 components:
   schemas:
@@ -1169,6 +1180,49 @@ components:
         - properties:
             result:
               $ref: '#/components/schemas/DraftProjectsInfo'
+    ConvertSolutionRequest:
+      allOf:
+        - $ref: '#/x-jsonrpc-envelope-request-with-params'
+        - properties:
+            method:
+              type: string
+              const: ConvertSolution
+            params:
+              type: object
+              properties:
+                solution:
+                  type: string
+                  description: Path to <solution>.csolution.yml
+                activeTarget:
+                  type: string
+                  description: Active target set in the format <target-type>[@<set>]
+                updateRte:
+                  type: boolean
+                  description: Create/update configuration files
+              required:
+                - solution
+                - activeTarget
+                - updateRte
+    ConvertSolutionResult:
+      allOf:
+        - $ref: '#/components/schemas/SuccessResult'
+        - properties:
+            undefinedLayers:
+              type: array
+              description: Names of undefined layer variables
+              items:
+                type: string
+            selectCompiler:
+              type: array
+              description: Selectable compilers
+              items:
+                type: string
+    ConvertSolutionResponse:
+      allOf:
+        - $ref: '#/x-jsonrpc-envelope-response'
+        - properties:
+            result:
+              $ref: '#/components/schemas/ConvertSolutionResult'
 
 x-jsonrpc-envelope-request:
   allOf: