diff --git a/_data/chains/eip155-369.json b/_data/chains/eip155-369.json
new file mode 100644
index 00000000..51888fe8
--- /dev/null
+++ b/_data/chains/eip155-369.json
@@ -0,0 +1,19 @@
+{
+  "name": "PulseChain Mainnet",
+  "shortName": "pls",
+  "chain": "PLS",
+  "network": "mainnet",
+  "chainId": 369,
+  "networkId": 369,
+  "infoURL": "https://pulsechain.com/",
+  "rpc": [
+    "https://rpc.mainnet.pulsechain.com/v1/${PULSECHAIN_API_KEY}",
+    "wss://rpc.mainnet.pulsechain.com/ws/v1/${PULSECHAIN_API_KEY}"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Pulse",
+    "symbol": "PLS",
+    "decimals": 18
+  }
+}
\ No newline at end of file
diff --git a/_data/chains/eip155-940.json b/_data/chains/eip155-940.json
new file mode 100644
index 00000000..368bec81
--- /dev/null
+++ b/_data/chains/eip155-940.json
@@ -0,0 +1,19 @@
+{
+  "name": "PulseChain Testnet",
+  "shortName": "tpls",
+  "chain": "tPLS",
+  "network": "testnet",
+  "chainId": 940,
+  "networkId": 940,
+  "infoURL": "https://pulsechain.com/",
+  "rpc": [
+    "https://rpc.testnet.pulsechain.com/v1/${PULSECHAIN_API_KEY}",
+    "wss://rpc.testnet.pulsechain.com/ws/v1/${PULSECHAIN_API_KEY}"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "Test Pulse",
+    "symbol": "tPLS",
+    "decimals": 18
+  }
+}
\ No newline at end of file