diff --git a/networks.json b/networks.json
new file mode 100644
index 0000000..65d34a8
--- /dev/null
+++ b/networks.json
@@ -0,0 +1,45 @@
+{
+    "algorand-mainnet": "29",
+    "algorand-mainnet-indexer": "dummy",
+    "algorand-archival": "000D",
+    "algorand-testnet": "45",
+    "algorand-testnet-archival": "0A45",
+    "arweave-mainnet": "30",
+    "avax-mainnet": "3",
+    "avax-archival": "00A3",
+    "avax-fuji": "000E",
+    "bsc-mainnet": "4",
+    "bsc-archival": "10",
+    "bsc-testnet": "11",
+    "bsc-testnet-archival": "12",
+    "btc-mainnet": "2",
+    "eth-mainnet": "21",
+    "eth-archival": "22",
+    "eth-archival-trace": "28",
+    "eth-goerli": "26",
+    "poa-kovan": "24",
+    "eth-rinkeby": "25",
+    "eth-ropsten": "23",
+    "evmos-mainnet": "46",
+    "fuse-mainnet": "5",
+    "fuse-archival": "000A",
+    "gnosischain-mainnet": "27",
+    "gnosischain-archival": "000C",
+    "harmony-0": "40",
+    "harmony-0-archival": "0A40",
+    "harmony-1": "41",
+    "harmony-1-archival": "0A41",
+    "harmony-2": "42",
+    "harmony-2-archival": "0A42",
+    "harmony-3": "43",
+    "harmony-3-archival": "0A43",
+    "iotex-mainnet": "44",
+    "oec-mainnet": "47",
+    "mainnet": "1",
+    "poly-mainnet": "9",
+    "poly-archival": "000B",
+    "poly-mumbai": "000F",
+    "poly-mumbai-archival": "00AF",
+    "sol-mainnet": "6",
+    "sol-testnet": "31"
+}