diff --git a/apis/sauce.json b/apis/sauce.json
index 3b787927..63c5e0ed 100644
--- a/apis/sauce.json
+++ b/apis/sauce.json
@@ -458,6 +458,30 @@
       },
       "type": "object"
     },
+    "SauceConnectVersions": {
+      "type": "object",
+      "properties": {
+        "latest_version": {
+          "type": "string"
+        },
+        "client_version": {
+          "type": "string"
+        },
+        "status": {
+          "type": "string",
+          "enum": ["LATEST", "UPGRADE", "PRERELEASE", "UNKNOWN", "EOL"]
+        },
+        "info_url": {
+          "type": "string"
+        },
+        "download_url": {
+          "type": "string"
+        },
+        "sha1": {
+          "type": "string"
+        }
+      }
+    },
     "SauceStatus": {
       "properties": {
         "service_operational": {
@@ -742,6 +766,20 @@
       "required": true,
       "type": "string"
     },
+    "clientHost": {
+      "description": "SC client host OS and CPU arch",
+      "in": "query",
+      "name": "client_host",
+      "required": false,
+      "type": "string"
+    },
+    "clientVersion": {
+      "description": "SC client version",
+      "in": "query",
+      "name": "client_version",
+      "required": false,
+      "type": "string"
+    },
     "filepath": {
       "description": "file path to store the asset at",
       "in": "path",
@@ -756,6 +794,14 @@
       "required": true,
       "type": "string"
     },
+    "filter": {
+      "description": "Filter expression to apply before returning query results",
+      "in": "query",
+      "name": "filter",
+      "enum": ["v2alpha", "one_per_pool"],
+      "required": false,
+      "type": "string"
+    },
     "full": {
       "description": "Should the response result contain everything or just the basics",
       "in": "query",
@@ -811,6 +857,21 @@
         "type": "object"
       }
     },
+    "protocol": {
+      "description": "Sauce Connect Protocol",
+      "in": "query",
+      "name": "protocol",
+      "required": false,
+      "enum": ["kgp", "h2c"],
+      "type": "string"
+    },
+    "reason": {
+      "description": "Reason for stopping a tunnel",
+      "in": "query",
+      "name": "reason",
+      "required": true,
+      "type": "string"
+    },
     "subaccounts": {
       "default": false,
       "description": "Include subaccounts in list of jobs",
@@ -825,6 +886,13 @@
       "required": true,
       "type": "string"
     },
+    "wait_for_jobs": {
+      "default": true,
+      "description": "Wait for jobs to finish",
+      "in": "query",
+      "name": "wait_for_jobs",
+      "type": "boolean"
+    },
     "jobIds": {
       "description": "list of jobIds",
       "in": "query",
@@ -1539,6 +1607,12 @@
           },
           {
             "$ref": "#/parameters/full"
+          },
+          {
+            "$ref": "#/parameters/filter"
+          },
+          {
+            "$ref": "#/parameters/protocol"
           }
         ],
         "responses": {
@@ -1577,6 +1651,12 @@
           },
           {
             "$ref": "#/parameters/id"
+          },
+          {
+            "$ref": "#/parameters/reason"
+          },
+          {
+            "$ref": "#/parameters/wait_for_jobs"
           }
         ],
         "responses": {
@@ -1633,6 +1713,38 @@
         "tags": ["Tunnel"]
       }
     },
+    "/v1/public/tunnels/info/versions": {
+      "get": {
+        "operationId": "sc_versions",
+        "parameters": [
+          {
+            "$ref": "#/parameters/clientVersion"
+          },
+          {
+            "$ref": "#/parameters/clientHost"
+          },
+          {
+            "$ref": "#/parameters/all"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "Tunnels",
+            "schema": {
+              "$ref": "#/definitions/SauceConnectVersions"
+            }
+          },
+          "default": {
+            "description": "Unexpected error",
+            "schema": {
+              "$ref": "#/definitions/Error"
+            }
+          }
+        },
+        "summary": "Get tunnels for the user or all the users in the team",
+        "tags": ["Tunnel"]
+      }
+    },
     "/v1/jobs/{id}/{assetName}": {
       "get": {
         "operationId": "download_job_asset",
diff --git a/src/index.js b/src/index.js
index 3e2ffda8..8bec5f1c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -529,20 +529,24 @@ export default class SauceLabs {
     const options = args.slice(pathParams.length)[0] || {};
     for (const optionParam of params.filter((p) => p.in === 'query')) {
       const expectedType = optionParam.type.replace('integer', 'number');
+      // I'm not sure why query param name is camelcased here, underscore params do exist in Sauce Labs.
       const optionName = camelCase(optionParam.name);
-      const option = options[optionName];
+      const optionValue = options[optionName] || options[optionParam.name];
       const isRequired =
         Boolean(optionParam.required) ||
         (typeof optionParam.required === 'undefined' &&
           typeof optionParam.default === 'undefined');
-      if ((isRequired || option) && !isValidType(option, expectedType)) {
+      if (
+        (isRequired || optionValue) &&
+        !isValidType(optionValue, expectedType)
+      ) {
         throw new Error(
-          `Expected parameter for option '${optionName}' from type '${expectedType}', found '${typeof option}'`
+          `Expected parameter for option '${optionName}' from type '${expectedType}', found '${typeof optionValue}'`
         );
       }
 
-      if (typeof option !== 'undefined') {
-        bodyMap.set(optionParam.name, option);
+      if (typeof optionValue !== 'undefined') {
+        bodyMap.set(optionParam.name, optionValue);
       }
     }