diff --git a/packages/seismic-react/package.json b/packages/seismic-react/package.json
index 3d0bdd2..4725db5 100644
--- a/packages/seismic-react/package.json
+++ b/packages/seismic-react/package.json
@@ -1,6 +1,6 @@
 {
   "name": "seismic-react",
-  "version": "1.0.47",
+  "version": "1.0.49",
   "description": "React components for Seismic.",
   "type": "module",
   "main": "./dist/_cjs/index.js",
@@ -52,7 +52,7 @@
     "typescript": ">=5.0.4",
     "viem": "2.x",
     "wagmi": "^2.0.0",
-    "seismic-viem": ">=1.0.47"
+    "seismic-viem": ">=1.0.49"
   },
   "peerDependenciesMeta": {
     "typescript": {
diff --git a/packages/seismic-viem/package.json b/packages/seismic-viem/package.json
index 186b27c..b0b1bac 100644
--- a/packages/seismic-viem/package.json
+++ b/packages/seismic-viem/package.json
@@ -1,6 +1,6 @@
 {
   "name": "seismic-viem",
-  "version": "1.0.47",
+  "version": "1.0.49",
   "description": "Typescript interface for Seismic",
   "type": "module",
   "main": "./dist/_cjs/index.js",
diff --git a/packages/seismic-viem/src/chain.ts b/packages/seismic-viem/src/chain.ts
index a710e96..b7cbead 100644
--- a/packages/seismic-viem/src/chain.ts
+++ b/packages/seismic-viem/src/chain.ts
@@ -244,6 +244,11 @@ export type CreateSeismicDevnetParams = { explorerUrl?: string } & (
   | { node: number; nodeHost?: string }
 )
 
+export type CreateSeismicTestnetParams = {
+  nodeHost: string
+  explorerUrl?: string
+}
+
 /**
  * Creates a Seismic development network chain configuration.
  *
@@ -310,6 +315,12 @@ export const createSeismicDevnet = /*#__PURE__*/ ({
   })
 }
 
+export const createSeismicAzTestnet = (n: number) =>
+  createSeismicDevnet({
+    nodeHost: `az-${n}.seismictest.net`,
+    explorerUrl: 'https://seismic-testnet.socialscan.io',
+  })
+
 /**
  * The seismic devnet running at node-1.seismicdev.net
  * Its associated explorer is at explorer-1.seismicdev.net
@@ -338,10 +349,9 @@ export const seismicDevnet3 = createSeismicDevnet({ node: 3 })
  *
  * Nodes coordinate using summit, Seismic's consensus client
  */
-export const seismicTestnet = createSeismicDevnet({
-  nodeHost: 'internal-testnet.seismictest.net',
-  explorerUrl: 'https://seismic-testnet.socialscan.io',
-})
+export const seismicTestnet200 = createSeismicAzTestnet(200)
+export const seismicTestnet201 = createSeismicAzTestnet(201)
+export const seismicTestnet = seismicTestnet200
 
 /**
  * An alias for {@link seismicDevnet1}
diff --git a/packages/seismic-viem/src/index.ts b/packages/seismic-viem/src/index.ts
index 4b592a0..f2acf6b 100644
--- a/packages/seismic-viem/src/index.ts
+++ b/packages/seismic-viem/src/index.ts
@@ -12,6 +12,8 @@ export {
   seismicDevnet3,
   seismicDevnet,
   seismicTestnet,
+  seismicTestnet200,
+  seismicTestnet201,
   localSeismicDevnet,
   createSeismicDevnet,
   serializeSeismicTransaction,