diff --git a/_data/chains/eip155-20729.json b/_data/chains/eip155-20729.json
new file mode 100644
index 00000000..44b7c3b1
--- /dev/null
+++ b/_data/chains/eip155-20729.json
@@ -0,0 +1,19 @@
+{
+  "name": "Callisto Testnet",
+  "chain": "CLO",
+  "rpc": [
+    "https://testnet-rpc.callisto.network/"
+  ],
+  "faucets": [
+    "https://faucet.callisto.network/"
+  ],
+  "nativeCurrency": {
+    "name": "Callisto",
+    "symbol": "CLO",
+    "decimals": 18
+  },
+  "infoURL": "https://callisto.network",
+  "shortName": "clo testnet",
+  "chainId": 20729,
+  "networkId": 79
+}
diff --git a/_data/chains/eip155-820.json b/_data/chains/eip155-820.json
index 1939ea15..c4351d0e 100644
--- a/_data/chains/eip155-820.json
+++ b/_data/chains/eip155-820.json
@@ -2,11 +2,11 @@
   "name": "Callisto Mainnet",
   "chain": "CLO",
   "rpc": [
-    "https://clo-geth.0xinfra.com"
+    "https://rpc.callisto.network/"
   ],
   "faucets": [],
   "nativeCurrency": {
-    "name": "Callisto Mainnet Ether",
+    "name": "Callisto",
     "symbol": "CLO",
     "decimals": 18
   },
diff --git a/_data/chains/eip155-821.json b/_data/chains/eip155-821.json
index ac0058a3..d399683a 100644
--- a/_data/chains/eip155-821.json
+++ b/_data/chains/eip155-821.json
@@ -1,5 +1,5 @@
 {
-  "name": "Callisto Testnet",
+  "name": "Callisto Testnet Deprecated",
   "chain": "CLO",
   "rpc": [],
   "faucets": [],
@@ -11,5 +11,6 @@
   "infoURL": "https://callisto.network",
   "shortName": "tclo",
   "chainId": 821,
-  "networkId": 2
-}
\ No newline at end of file
+  "networkId": 2,
+  "status":"deprecated"
+}