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GET /v1/chains

Blockchain specs in the RPC marketplace

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10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/lava-api

It works. Grab an API key and use it in your project.

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Code snippets

curl "https://api.oanor.com/lava-api/v1/chains" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/lava-api/v1/chains", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/lava-api/v1/chains");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
    "https://api.oanor.com/lava-api/v1/chains",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "chain": "lava-mainnet-1",
        "count": 77,
        "chains": [
            {
                "name": "celo alfajores testnet",
                "enabled": true,
                "chain_id": "ALFAJORES",
                "api_count": 65,
                "interfaces": [
                    "jsonrpc"
                ]
            },
            {
                "name": "aptos mainnet",
                "enabled": true,
                "chain_id": "APT1",
                "api_count": 25,
                "interfaces": [
                    "rest"
                ]
            },
            {
                "name": "arbitrum mainnet",
                "enabled": true,
                "chain_id": "ARBITRUM",
                "api_count": 85,
                "interfaces": [
                    "jsonrpc"
                ]
            },
            {
                "name": "arbitrum nova testnet",
                "enabled": true,
                "chain_id": "ARBITRUMN",
                "api_count": 85,
                "interfaces": [
                    "jsonrpc"
                ]
            },
            {
                "name": "arbitrum sepolia testnet",
                "enabled": true,
                "chain_id": "ARBITRUMS",
                "api_count": 85,
                "interfaces": [
                    "jsonrpc"
                ]
            },
            {
                "name": "avalanche c chain mainnet",
                "enabled": true,
                "chain_id": "AVALANCHEC",
                "api_count": 80,
                "interfaces": [
                    "jsonrpc"
                ]
            },
            {
                "name": "avalanche c chain testnet",
                "enabled": true,
                "chain_id": "AVALANCHECT",
                "api_count": 80,
                "interfaces": [
                    "jsonrpc"
                ]
            },
            {
                "name": "avalanche p chain mainnet",
                "enabled": true,
                "chain_id": "AVALANCHEP",
                "api_count": 26,
                "interfaces": [
                    "jsonrpc"
                ]
            },
            {
                "name": "avalanche p chain testnet",
                "enabled": true,
                "chain_id": "AVALANCHEPT",
                "api_count": 26,
                "interfaces": [
                    "jsonrpc"
                ]
            },
            {
                "name": "avalanche mainnet",
                "enabled": true,
                "chain_id": "AVAX",
                "api_count": 99,
                "interfaces": [
                    "jsonrpc"
                ]
            },
            {
                "name": "avalanche testnet",
                "enabled": true,
                "chain_id": "AVAXT",
                "api_count": 99,
                "interfaces": [
                    "jsonrpc"
                ]
            },
      
…