diff --git a/src.ts/providers/provider-alchemy.ts b/src.ts/providers/provider-alchemy.ts
index c423164f0..dbd5c14a5 100644
--- a/src.ts/providers/provider-alchemy.ts
+++ b/src.ts/providers/provider-alchemy.ts
@@ -1,8 +1,27 @@
 /**
- *  About Alchemy
+ *  [[link-alchemy]] provides a third-party service for connecting to
+ *  various blockchains over JSON-RPC.
+ *
+ *  **Supported Networks**
+ *
+ *  - Ethereum Mainnet (``mainnet``)
+ *  - Goerli Testnet (``goerli``)
+ *  - Sepolia Testnet (``sepolia``)
+ *  - Arbitrum (``arbitrum``)
+ *  - Arbitrum Goerli Testnet (``arbitrum-goerli``)
+ *  - Arbitrum Sepolia Testnet (``arbitrum-sepolia``)
+ *  - Base (``base``)
+ *  - Base Goerlia Testnet (``base-goerli``)
+ *  - Base Sepolia Testnet (``base-sepolia``)
+ *  - Optimism (``optimism``)
+ *  - Optimism Goerli Testnet (``optimism-goerli``)
+ *  - Optimism Sepolia Testnet (``optimism-sepolia``)
+ *  - Polygon (``matic``)
+ *  - Polygon Mumbai Testnet (``matic-mumbai``)
  *
  *  @_subsection: api/providers/thirdparty:Alchemy  [providers-alchemy]
  */
+
 import {
     defineProperties, resolveProperties, assert, assertArgument,
     FetchRequest
@@ -32,10 +51,14 @@ function getHost(name: string): string {
             return "arb-mainnet.g.alchemy.com";
         case "arbitrum-goerli":
             return "arb-goerli.g.alchemy.com";
+        case "arbitrum-sepolia":
+            return "arb-sepolia.g.alchemy.com";
         case "base":
             return "base-mainnet.g.alchemy.com";
         case "base-goerli":
             return "base-goerli.g.alchemy.com";
+        case "base-sepolia":
+            return "base-sepolia.g.alchemy.com";
         case "matic":
             return "polygon-mainnet.g.alchemy.com";
         case "matic-mumbai":
@@ -44,6 +67,8 @@ function getHost(name: string): string {
             return "opt-mainnet.g.alchemy.com";
         case "optimism-goerli":
             return "opt-goerli.g.alchemy.com";
+        case "optimism-sepolia":
+            return "opt-sepolia.g.alchemy.com";
     }
 
     assertArgument(false, "unsupported network", "network", name);
diff --git a/src.ts/providers/provider-ankr.ts b/src.ts/providers/provider-ankr.ts
index 1a604f2ef..18860b138 100644
--- a/src.ts/providers/provider-ankr.ts
+++ b/src.ts/providers/provider-ankr.ts
@@ -6,8 +6,18 @@
  *
  *  - Ethereum Mainnet (``mainnet``)
  *  - Goerli Testnet (``goerli``)
- *  - Polygon (``matic``)
+ *  - Sepolia Testnet (``sepolia``)
  *  - Arbitrum (``arbitrum``)
+ *  - Base (``base``)
+ *  - Base Goerlia Testnet (``base-goerli``)
+ *  - Base Sepolia Testnet (``base-sepolia``)
+ *  - BNB (``bnb``)
+ *  - BNB Testnet (``bnbt``)
+ *  - Optimism (``optimism``)
+ *  - Optimism Goerli Testnet (``optimism-goerli``)
+ *  - Optimism Sepolia Testnet (``optimism-sepolia``)
+ *  - Polygon (``matic``)
+ *  - Polygon Mumbai Testnet (``matic-mumbai``)
  *
  *  @_subsection: api/providers/thirdparty:Ankr  [providers-ankr]
  */
@@ -33,10 +43,31 @@ function getHost(name: string): string {
             return "rpc.ankr.com/eth";
         case "goerli":
             return "rpc.ankr.com/eth_goerli";
-        case "matic":
-            return "rpc.ankr.com/polygon";
+        case "sepolia":
+            return "rpc.ankr.com/eth_sepolia";
+
         case "arbitrum":
             return "rpc.ankr.com/arbitrum";
+        case "base":
+            return "rpc.ankr.com/base";
+        case "base-goerli":
+            return "rpc.ankr.com/base_goerli";
+        case "base-sepolia":
+            return "rpc.ankr.com/base_sepolia";
+        case "bnb":
+            return "rpc.ankr.com/bsc";
+        case "bnbt":
+            return "rpc.ankr.com/bsc_testnet_chapel";
+        case "matic":
+            return "rpc.ankr.com/polygon";
+        case "matic-mumbai":
+            return "rpc.ankr.com/polygon_mumbai";
+        case "optimism":
+            return "rpc.ankr.com/optimism";
+        case "optimism-goerli":
+            return "rpc.ankr.com/optimism_testnet";
+        case "optimism-sepolia":
+            return "rpc.ankr.com/optimism_sepolia";
     }
 
     assertArgument(false, "unsupported network", "network", name);
diff --git a/src.ts/providers/provider-infura.ts b/src.ts/providers/provider-infura.ts
index f26ea3fb8..babfd3758 100644
--- a/src.ts/providers/provider-infura.ts
+++ b/src.ts/providers/provider-infura.ts
@@ -9,8 +9,17 @@
  *  - Sepolia Testnet (``sepolia``)
  *  - Arbitrum (``arbitrum``)
  *  - Arbitrum Goerli Testnet (``arbitrum-goerli``)
+ *  - Arbitrum Sepolia Testnet (``arbitrum-sepolia``)
+ *  - Base (``base``)
+ *  - Base Goerlia Testnet (``base-goerli``)
+ *  - Base Sepolia Testnet (``base-sepolia``)
+ *  - BNB (``bnb``)
+ *  - BNB Testnet (``bnbt``)
+ *  - Linea (``linea``)
+ *  - Linea Goerlia Testnet (``linea-goerli``)
  *  - Optimism (``optimism``)
  *  - Optimism Goerli Testnet (``optimism-goerli``)
+ *  - Optimism Sepolia Testnet (``optimism-sepolia``)
  *  - Polygon (``matic``)
  *  - Polygon Mumbai Testnet (``matic-mumbai``)
  *
@@ -45,6 +54,18 @@ function getHost(name: string): string {
             return "arbitrum-mainnet.infura.io";
         case "arbitrum-goerli":
             return "arbitrum-goerli.infura.io";
+        case "arbitrum-sepolia":
+            return "arbitrum-sepolia.infura.io";
+        case "base":
+            return "base-mainnet.infura.io";
+        case "base-goerlia":
+            return "base-goerli.infura.io";
+        case "base-sepolia":
+            return "base-sepolia.infura.io";
+        case "bnb":
+            return "bnbsmartchain-mainnet.infura.io";
+        case "bnbt":
+            return "bnbsmartchain-testnet.infura.io";
         case "linea":
             return "linea-mainnet.infura.io";
         case "linea-goerli":
@@ -57,6 +78,8 @@ function getHost(name: string): string {
             return "optimism-mainnet.infura.io";
         case "optimism-goerli":
             return "optimism-goerli.infura.io";
+        case "optimism-sepolia":
+            return "optimism-sepolia.infura.io";
     }
 
     assertArgument(false, "unsupported network", "network", name);