Morph RPC — Free Endpoint & Developer Guide

Morph is a consumer-focused Ethereum layer-2 using an optimistic zkEVM design. This guide shows how to connect to a free Morph RPC endpoint on MoltNode — no API key and no signup required.

What is Morph

Morph is a layer-2 network that settles to Ethereum and is aimed at consumer applications: payments, social experiences, and everyday products that need cheap, fast transactions without sacrificing Ethereum-grade security. Its hybrid design combines optimistic rollup mechanics with zero-knowledge proofs, an approach often described as an optimistic zkEVM. Transactions are batched off-chain and ultimately verified against Ethereum, so users get low fees while the network leans on Ethereum as its source of truth.

Because Morph is EVM-compatible, it speaks the standard eth_* JSON-RPC method set, uses ordinary Ethereum-style addresses, and is identified by an EVM chain ID. The native gas token is ETH, and the chain ID is 2818. If you have shipped on Ethereum or any other rollup, your stack carries over directly: the same Solidity compilers, the same wallets, and the same RPC calls all work. For developers, building on Morph feels like building on Ethereum with lower transaction costs.

Morph RPC endpoint on MoltNode

MoltNode gives Morph one clean URL that is also a live RPC endpoint:

https://moltnode.ag/morph

There is no API key to provision and no account to create. The endpoint speaks JSON-RPC 2.0 over HTTP POST, and CORS is open so browser apps can call it directly. The URL is deliberately dual-purpose: open it with a GET request in a browser and you get a human-readable page describing the chain; send a POST with a JSON-RPC body and you get a machine response. One address serves both audiences.

To add it as a custom network in a wallet, point the network's RPC URL at https://moltnode.ag/morph, set the chain ID to 2818, and use ETH as the currency symbol.

Probe it with curl

The fastest way to confirm the Morph JSON-RPC endpoint is live is to ask for the latest block number:

curl -s https://moltnode.ag/morph \
  -X POST \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"eth_blockNumber","params":[]}'

You will get back a JSON object with a hex-encoded block height in the result field. Swap in any other eth_* method — eth_chainId, eth_getBalance, eth_call — to read whatever your app needs from the Morph node.

Use it from your app

Any JSON-RPC client works. Here is a minimal example with viem, pointing a custom transport at the free Morph RPC:

import { createPublicClient, http } from "viem";

const client = createPublicClient({
  transport: http("https://moltnode.ag/morph"),
});

const blockNumber = await client.getBlockNumber();
console.log("Morph block:", blockNumber);

The same URL drops into ethers, web3.py, wagmi, or any other library that accepts an HTTP RPC URL — no extra configuration beyond the endpoint itself.

Reliability & failover

Behind the single moltnode.ag/morph URL sits managed upstream infrastructure. Requests are routed to healthy providers, and if an upstream is unreachable or returns an error, MoltNode automatically fails over so your client keeps getting answers. The provider API keys live server-side and are never exposed to your client, so you get the benefit of premium upstreams without managing any credentials yourself.

There is no hard rate limit, but the endpoint is a shared, free resource. Please use it responsibly: cache results where you can, avoid tight polling loops, and if you are running heavy production workloads, treat the Morph RPC endpoint as a fast default and a failover rather than a single point of dependence.

For humans and agents

The dual GET/POST behavior makes the endpoint friendly to both people and software. A developer can paste https://moltnode.ag/morph into a browser to read about the chain; a script or wallet POSTs JSON-RPC to the same place.

For automated discovery, MoltNode publishes a machine-readable catalog of every supported chain at https://moltnode.ag/api/chains and an agent-oriented summary at https://moltnode.ag/llms.txt. An AI agent can fetch the catalog, find the Morph entry and its endpoint, and start issuing eth_* calls without any human setup.

Closing

The free Morph RPC endpoint at https://moltnode.ag/morph gives you a no-key, JSON-RPC Morph node that works with viem, ethers, wallets, and AI agents alike — with automatic failover handled for you. Point your client at the URL and start building.