diff --git a/api/spec/dns.json b/api/spec/dns.json
new file mode 100644
index 0000000..5cd3a93
--- /dev/null
+++ b/api/spec/dns.json
@@ -0,0 +1,246 @@
+{
+  "components": {
+    "requestBodies": {
+      "DnsQueryRequest": {
+        "content": {
+          "application/json": {
+            "schema": {
+              "$ref": "#/components/schemas/QueryRequest"
+            }
+          }
+        },
+        "description": "DnsQueryRequest"
+      }
+    },
+    "responses": {
+      "DnsQueryResponse": {
+        "content": {
+          "application/json": {
+            "schema": {
+              "$ref": "#/components/schemas/QueryResponse"
+            }
+          }
+        },
+        "description": "DnsQueryResponse"
+      },
+      "MicroAPIError": {
+        "content": {
+          "application/json": {
+            "schema": {
+              "properties": {
+                "Code": {
+                  "description": "Error code",
+                  "example": 500,
+                  "type": "number"
+                },
+                "Detail": {
+                  "description": "Error detail",
+                  "example": "service not found",
+                  "type": "string"
+                },
+                "Id": {
+                  "description": "Error ID",
+                  "type": "string"
+                },
+                "Status": {
+                  "description": "Error status message",
+                  "example": "Internal Server Error",
+                  "type": "string"
+                }
+              },
+              "title": "MicroAPIError",
+              "type": "object"
+            }
+          }
+        },
+        "description": "Error from the Micro API"
+      }
+    },
+    "schemas": {
+      "Answer": {
+        "properties": {
+          "TTL": {
+            "description": "time to live",
+            "format": "int32",
+            "type": "number"
+          },
+          "data": {
+            "description": "the answer",
+            "type": "string"
+          },
+          "name": {
+            "description": "name resolved",
+            "type": "string"
+          },
+          "type": {
+            "description": "type of record",
+            "format": "int32",
+            "type": "number"
+          }
+        },
+        "title": "Answer",
+        "type": "object"
+      },
+      "QueryRequest": {
+        "description": "Query an addresss",
+        "properties": {
+          "name": {
+            "description": "name to resolve",
+            "type": "string"
+          },
+          "type": {
+            "description": "type of query e.g A, AAAA, MX, SRV",
+            "type": "string"
+          }
+        },
+        "title": "QueryRequest",
+        "type": "object"
+      },
+      "QueryResponse": {
+        "properties": {
+          "AD": {
+            "type": "boolean"
+          },
+          "CD": {
+            "type": "boolean"
+          },
+          "RA": {
+            "type": "boolean"
+          },
+          "RD": {
+            "type": "boolean"
+          },
+          "TC": {
+            "type": "boolean"
+          },
+          "answer": {
+            "items": {
+              "properties": {
+                "TTL": {
+                  "description": "time to live",
+                  "format": "int32",
+                  "type": "number"
+                },
+                "data": {
+                  "description": "the answer",
+                  "type": "string"
+                },
+                "name": {
+                  "description": "name resolved",
+                  "type": "string"
+                },
+                "type": {
+                  "description": "type of record",
+                  "format": "int32",
+                  "type": "number"
+                }
+              },
+              "type": "object"
+            },
+            "type": "array"
+          },
+          "provider": {
+            "type": "string"
+          },
+          "question": {
+            "items": {
+              "properties": {
+                "name": {
+                  "description": "name to query",
+                  "type": "string"
+                },
+                "type": {
+                  "description": "type of record",
+                  "format": "int32",
+                  "type": "number"
+                }
+              },
+              "type": "object"
+            },
+            "type": "array"
+          },
+          "status": {
+            "format": "int32",
+            "type": "number"
+          }
+        },
+        "title": "QueryResponse",
+        "type": "object"
+      },
+      "Question": {
+        "properties": {
+          "name": {
+            "description": "name to query",
+            "type": "string"
+          },
+          "type": {
+            "description": "type of record",
+            "format": "int32",
+            "type": "number"
+          }
+        },
+        "title": "Question",
+        "type": "object"
+      }
+    },
+    "securitySchemes": {
+      "M3OAPIToken": {
+        "bearerFormat": "token",
+        "description": "M3O API token",
+        "scheme": "bearer",
+        "type": "http"
+      }
+    }
+  },
+  "info": {
+    "description": "Generated by protoc-gen-openapi",
+    "title": "Dns",
+    "version": "1",
+    "x-logo": {
+      "altText": "M3O logo",
+      "backgroundColor": "#000000",
+      "url": "https://raw.githubusercontent.com/m3o/m3o/main/images/logo.png"
+    }
+  },
+  "openapi": "3.0.0",
+  "paths": {
+    "/dns/Dns/Query": {
+      "parameters": [
+        {
+          "in": "header",
+          "name": "Micro-Namespace",
+          "required": true,
+          "schema": {
+            "default": "micro",
+            "type": "string"
+          }
+        }
+      ],
+      "post": {
+        "requestBody": {
+          "$ref": "#/components/requestBodies/DnsQueryRequest"
+        },
+        "responses": {
+          "200": {
+            "$ref": "#/components/responses/DnsQueryResponse"
+          },
+          "default": {
+            "$ref": "#/components/responses/MicroAPIError"
+          }
+        },
+        "security": [
+          {
+            "MicroAPIToken": []
+          }
+        ],
+        "summary": "Dns.Query(QueryRequest)"
+      }
+    }
+  },
+  "servers": [
+    {
+      "url": "https://api.m3o.com/v1",
+      "description": "M3O platform"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/api/spec/stock.json b/api/spec/stock.json
index 8e7d487..ee946c9 100644
--- a/api/spec/stock.json
+++ b/api/spec/stock.json
@@ -11,16 +11,6 @@
         },
         "description": "StockHistoryRequest"
       },
-      "StockOrderBookRequest": {
-        "content": {
-          "application/json": {
-            "schema": {
-              "$ref": "#/components/schemas/OrderBookRequest"
-            }
-          }
-        },
-        "description": "StockOrderBookRequest"
-      },
       "StockPriceRequest": {
         "content": {
           "application/json": {
@@ -85,16 +75,6 @@
         },
         "description": "StockHistoryResponse"
       },
-      "StockOrderBookResponse": {
-        "content": {
-          "application/json": {
-            "schema": {
-              "$ref": "#/components/schemas/OrderBookResponse"
-            }
-          }
-        },
-        "description": "StockOrderBookResponse"
-      },
       "StockPriceResponse": {
         "content": {
           "application/json": {
@@ -171,111 +151,6 @@
         "title": "HistoryResponse",
         "type": "object"
       },
-      "Order": {
-        "properties": {
-          "ask_price": {
-            "description": "the asking price",
-            "format": "double",
-            "type": "number"
-          },
-          "ask_size": {
-            "description": "the ask size",
-            "format": "int32",
-            "type": "number"
-          },
-          "bid_price": {
-            "description": "the bidding price",
-            "format": "double",
-            "type": "number"
-          },
-          "bid_size": {
-            "description": "the bid size",
-            "format": "int32",
-            "type": "number"
-          },
-          "timestamp": {
-            "description": "the UTC timestamp of the quote",
-            "type": "string"
-          }
-        },
-        "title": "Order",
-        "type": "object"
-      },
-      "OrderBookRequest": {
-        "description": "Get the historic order book and each trade by timestamp",
-        "properties": {
-          "date": {
-            "description": "the date in format YYYY-MM-dd",
-            "type": "string"
-          },
-          "end": {
-            "description": "optional RFC3339Nano end time e.g 2006-01-02T15:04:05.999999999Z07:00",
-            "type": "string"
-          },
-          "limit": {
-            "description": "limit number of prices",
-            "format": "int32",
-            "type": "number"
-          },
-          "start": {
-            "description": "optional RFC3339Nano start time e.g 2006-01-02T15:04:05.999999999Z07:00",
-            "type": "string"
-          },
-          "stock": {
-            "description": "stock to retrieve e.g AAPL",
-            "type": "string"
-          }
-        },
-        "title": "OrderBookRequest",
-        "type": "object"
-      },
-      "OrderBookResponse": {
-        "properties": {
-          "date": {
-            "description": "date of the request",
-            "type": "string"
-          },
-          "orders": {
-            "description": "list of orders",
-            "items": {
-              "properties": {
-                "ask_price": {
-                  "description": "the asking price",
-                  "format": "double",
-                  "type": "number"
-                },
-                "ask_size": {
-                  "description": "the ask size",
-                  "format": "int32",
-                  "type": "number"
-                },
-                "bid_price": {
-                  "description": "the bidding price",
-                  "format": "double",
-                  "type": "number"
-                },
-                "bid_size": {
-                  "description": "the bid size",
-                  "format": "int32",
-                  "type": "number"
-                },
-                "timestamp": {
-                  "description": "the UTC timestamp of the quote",
-                  "type": "string"
-                }
-              },
-              "type": "object"
-            },
-            "type": "array"
-          },
-          "symbol": {
-            "description": "the stock symbol",
-            "type": "string"
-          }
-        },
-        "title": "OrderBookResponse",
-        "type": "object"
-      },
       "PriceRequest": {
         "description": "Get the last price for a given stock ticker",
         "properties": {
@@ -401,38 +276,6 @@
         "summary": "Stock.History(HistoryRequest)"
       }
     },
-    "/stock/Stock/OrderBook": {
-      "parameters": [
-        {
-          "in": "header",
-          "name": "Micro-Namespace",
-          "required": true,
-          "schema": {
-            "default": "micro",
-            "type": "string"
-          }
-        }
-      ],
-      "post": {
-        "requestBody": {
-          "$ref": "#/components/requestBodies/StockOrderBookRequest"
-        },
-        "responses": {
-          "200": {
-            "$ref": "#/components/responses/StockOrderBookResponse"
-          },
-          "default": {
-            "$ref": "#/components/responses/MicroAPIError"
-          }
-        },
-        "security": [
-          {
-            "MicroAPIToken": []
-          }
-        ],
-        "summary": "Stock.OrderBook(OrderBookRequest)"
-      }
-    },
     "/stock/Stock/Price": {
       "parameters": [
         {