diff --git a/_data/chains/eip155-1201.json b/_data/chains/eip155-1201.json
new file mode 100644
index 00000000..6ff68236
--- /dev/null
+++ b/_data/chains/eip155-1201.json
@@ -0,0 +1,18 @@
+{
+  "name": "AVIS Testnet",
+  "chain": "AVIS Testnet",
+  "network": "avis",
+  "rpc": [
+    "https://seed5.evanesco.org:8547"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "AVIS",
+    "symbol": "AVIS",
+    "decimals": 18
+  },
+  "infoURL": "https://evanesco.org/",
+  "shortName": "avis",
+  "chainId": 1201,
+  "networkId": 1201
+}
\ No newline at end of file