diff --git a/api/starknet_api_openrpc.json b/api/starknet_api_openrpc.json
index 49f161e..090aa9a 100644
--- a/api/starknet_api_openrpc.json
+++ b/api/starknet_api_openrpc.json
@@ -628,6 +628,9 @@
         {
           "$ref": "#/components/errors/CONTRACT_NOT_FOUND"
         },
+        {
+          "$ref": "#/components/errors/ENTRYPOINT_NOT_FOUND"
+        },
         {
           "$ref": "#/components/errors/CONTRACT_ERROR"
         },
@@ -3802,6 +3805,10 @@
         "code": 20,
         "message": "Contract not found"
       },
+      "ENTRYPOINT_NOT_FOUND": {
+        "code": 21,
+        "message": "Requested entrypoint does not exist in the contract"
+      },
       "BLOCK_NOT_FOUND": {
         "code": 24,
         "message": "Block not found"