diff --git a/packages/providers/src.ts/alchemy-provider.ts b/packages/providers/src.ts/alchemy-provider.ts
index c73645a841..7ba8a28b8a 100644
--- a/packages/providers/src.ts/alchemy-provider.ts
+++ b/packages/providers/src.ts/alchemy-provider.ts
@@ -20,7 +20,7 @@ const defaultApiKey = "_gg7wSSi0KMBsdKnGVfHDueq6xMB9EkC"
 export class AlchemyProvider extends UrlJsonRpcProvider {
     readonly apiKey: string;
 
-    static getWebSocketProvider(network: Networkish, apiKey: any): WebSocketProvider {
+    static getWebSocketProvider(network?: Networkish, apiKey?: any): WebSocketProvider {
         const provider = new AlchemyProvider(network, apiKey);
 
         const url = provider.connection.url.replace(/^http/i, "ws")
diff --git a/packages/providers/src.ts/infura-provider.ts b/packages/providers/src.ts/infura-provider.ts
index 794d1dd3d8..b7de2fa387 100644
--- a/packages/providers/src.ts/infura-provider.ts
+++ b/packages/providers/src.ts/infura-provider.ts
@@ -18,7 +18,7 @@ export class InfuraProvider extends UrlJsonRpcProvider {
     readonly projectId: string;
     readonly projectSecret: string;
 
-    static getWebSocketProvider(network: Networkish, apiKey: any): WebSocketProvider {
+    static getWebSocketProvider(network?: Networkish, apiKey?: any): WebSocketProvider {
         const provider = new InfuraProvider(network, apiKey);
         const connection = provider.connection;
         if (connection.password) {
@@ -44,12 +44,11 @@ export class InfuraProvider extends UrlJsonRpcProvider {
             apiKeyObj.projectId = apiKey;
 
         } else if (apiKey.projectSecret != null) {
-            if (typeof(apiKey.projectId) !== "string") {
-                logger.throwArgumentError("projectSecret requires a projectId", "projectId", apiKey.projectId);
-            }
-            if (typeof(apiKey.projectSecret) !== "string") {
-                logger.throwArgumentError("invalid projectSecret", "projectSecret", "[REDACTED]");
-            }
+            logger.assertArgument((typeof(apiKey.projectId) === "string"),
+                "projectSecret requires a projectId", "projectId", apiKey.projectId);
+            logger.assertArgument((typeof(apiKey.projectSecret) === "string"),
+                "invalid projectSecret", "projectSecret", "[REDACTED]");
+
             apiKeyObj.projectId = apiKey.projectId;
             apiKeyObj.projectSecret = apiKey.projectSecret;
 
@@ -64,7 +63,7 @@ export class InfuraProvider extends UrlJsonRpcProvider {
 
     static getUrl(network: Network, apiKey: any): string | ConnectionInfo {
         let host: string = null;
-        switch(network.name) {
+        switch(network ? network.name: "unknown") {
             case "homestead":
                 host = "mainnet.infura.io";
                 break;