Moonbase Alpha RPC Endpoints & Dedicated Nodes | OnFinality

Moonbeam

Fueling the next generation of DeFi applications on Moonbeam.

Connect to Moonbase Alpha in seconds with OnFinality RPC endpoints, request analytics, scalable rate limits, and 99.99% uptime for production Web3 apps. Deploy full, collator, and archive Moonbase Alpha nodes quickly and easily on our globally distributed, multi-cloud, one-click node solution. Use OnFinality's Lightning Restore to fully-sync your nodes in seconds instead of days!

Fueling the next generation of DeFi applications on Moonbeam.

Create RPC Endpoint Deploy Dedicated Node

Moonbase Alpha RPC Endpoint

The below example uses the public API endpoint*. This endpoint is only suitable for testing. To avoid rate limiting and service interruption, sign up now to get your own API key.

Open In Polkadot JS

* The public endpoint is rate limited

RPC API Service

RPC API Features

ArchiveTrace

RPC Regions

N.Virginia

Dedicated Nodes

Node Type

FullTraceArchiveCollator

Lightning Restore

N.Virginia

Node Endpoints

JSON-RPCWebSocketsMetrics

Moonbase Alpha is the official test network for Moonbeam, a smart contract parachain on Polkadot. It provides an Ethereum-compatible environment where developers can experiment, test, and refine their dApps, DeFi protocols, wallets, and other Web3 applications before deploying to Moonbeam mainnet. Moonbase Alpha mirrors Moonbeam's production configuration, including its parachain architecture, making it an ideal sandbox for realistic testing.

Why Use Moonbase Alpha RPC?

Developers connect to Moonbase Alpha via RPC endpoints to read blockchain data, submit transactions, and interact with smart contracts. Common use cases include:

Testing smart contract deployments and interactions
Building and debugging dApps with real transaction flows
Integrating wallets and backend services
Running analytics and monitoring tools
Prototyping DeFi products and games

OnFinality provides managed RPC endpoints for Moonbase Alpha, offering authenticated access with request analytics, clearer usage limits, and a path to higher-capacity infrastructure. This is especially valuable for teams that need stable, observable access beyond lightweight public endpoints.

Moonbase Alpha RPC Endpoint Features

OnFinality's Moonbase Alpha RPC endpoints support:

Protocol: Substrate JSON-RPC (Ethereum-compatible via Moonbeam's EVM)
Transport: HTTP and WebSocket
Advanced access: Archive and trace capabilities (plan-dependent)
Regions: N. Virginia (us-east-1)

For teams requiring dedicated infrastructure, OnFinality also offers dedicated nodes for Moonbase Alpha, providing isolated resources, custom configuration, and enhanced reliability.

How to Connect to Moonbase Alpha with OnFinality

Create or sign in to your OnFinality account.
Select Moonbase Alpha from the supported networks list.
Create an API endpoint or deploy a dedicated node.
Test the endpoint using the example method chain_getBlock.
Monitor request usage, errors, and limits before moving critical traffic.

Public vs. Private RPC: Which Should You Choose?

Public RPC endpoints are convenient for quick tests and simple experiments. However, they are often shared by many anonymous users, which can lead to rate limiting and unpredictable performance. OnFinality's authenticated endpoints are designed for team projects, backend services, and higher-volume workloads, offering request analytics, usage visibility, and a clear scaling path.

Get Started Today

Whether you're building a new dApp or migrating an existing project to Moonbeam, Moonbase Alpha provides a reliable test environment. OnFinality's RPC endpoints and dedicated nodes give you the infrastructure you need to develop with confidence.