Service metadata & live sample

Code snippets

curl "https://api.oanor.com/evmchains-api/v1/meta" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/evmchains-api/v1/meta", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/evmchains-api/v1/meta");
curl_setopt($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/evmchains-api/v1/meta",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

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

{
    "data": {
        "note": "chain and rpcs take a numeric chain id (id=1 = Ethereum Mainnet, 137 = Polygon, 8453 = Base, 42161 = Arbitrum One). search takes q (e.g. ethereum) and optional limit. list takes optional offset and limit.",
        "sample": {
            "name": "Ethereum Mainnet",
            "chain_id": 1,
            "rpc_count": 13
        },
        "source": "chainid.network (ethereum-lists/chains) open registry, live",
        "service": "evmchains-api",
        "endpoints": {
            "GET /v1/list": "Paginated directory of all EVM chains (offset, limit).",
            "GET /v1/meta": "This document.",
            "GET /v1/rpcs": "Public RPC endpoints for a chain (id=1).",
            "GET /v1/chain": "Full details for one EVM chain by chain id (id=1).",
            "GET /v1/search": "Search chains by name (q=ethereum)."
        },
        "description": "A live directory of every EVM-compatible blockchain, keyless. Look up any chain by its chain ID or name and get its native currency, public RPC endpoints, block explorers, info URL, faucets and testnet flag; search the 2,600+ networks; or just get a chain's working public RPC URLs. The networks / chain-ID layer for wallets, dapps, RPC routers, explorers and multi-chain tooling. Live, nothing stored beyond a short cache. Source: the open chainid.network (ethereum-lists/chains) registry.",
        "upstream_status": "ok"
    },
    "meta": {
        "timestamp": "2026-06-14T08:04:18.415Z",
        "request_id": "2b0f4f83-8671-49f7-b607-8ce7c6a0e75a"
    },
    "status": "ok",
    "message": "Meta",
    "success": true
}