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Moonbase Alpha RPC Endpoints & Dedicated Nodes

Moonbeam

Fueling the next generation of DeFi applications on Moonbeam.

Moonbase Alpha RPC and node infrastructure for parachain apps, collators, and Substrate backends, with archive and trace support for Substrate workflows.

Fueling the next generation of DeFi applications on Moonbeam.

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
Example CURL
curl -H "Content-Type: application/json" -d '{"id":1, "jsonrpc":"2.0", "method": "chain_getBlock"}' 'https://moonbeam-alpha.api.onfinality.io/public'
curl -H "Content-Type: application/json" -d '{"id":1, "jsonrpc":"2.0", "method": "chain_getBlock"}' 'https://moonbeam-alpha.api.onfinality.io/public'
HTTPs
https://moonbeam-alpha.api.onfinality.io/public
https://moonbeam-alpha.api.onfinality.io/public
Websocket
wss://moonbeam-alpha.api.onfinality.io/public-ws
wss://moonbeam-alpha.api.onfinality.io/public-ws

* 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

PRICING

Calculate Your Costs

Only pay for what you need.

Million Standard Requests
0100M200M300M400M
Total Cost
$49/ month

Recommended Plan: GROWTH

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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

  1. Create or sign in to your OnFinality account.
  2. Select Moonbase Alpha from the supported networks list.
  3. Create an API endpoint or deploy a dedicated node.
  4. Test the endpoint using the example method chain_getBlock.
  5. 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.

Moonbase Alpha RPC and developer resources

Moonbase Alpha RPC access is useful when a product needs dependable chain reads, transaction submission, and a clear path from a first request to production infrastructure.

Best fit: mainnet production workflows for parachain apps, collators, and Substrate backends.

What builders usually check first:

  • Read blocks, storage, events, and governance or staking data from Substrate-based chains.
  • Support wallets, indexers, parachain apps, collators, validators, and analytics services.
  • Plan node infrastructure when the workload needs isolated resources or chain-specific operations.

Supported capability notes:

  • Authenticated Moonbase Alpha RPC/API access for parachain apps, collators, and Substrate backends.
  • HTTP and WebSocket support for app, backend, and integration workflows.
  • Archive access for historical state, analytics, or compliance-style queries.
  • Trace support for debugging transactions and deeper execution analysis.
  • Dedicated node options when shared RPC no longer fits traffic or isolation needs.

Decision notes:

  • Environment: mainnet. Protocol family: Substrate JSON-RPC.
  • HTTP and WebSocket support is listed for supported app and backend workflows.
  • Archive support is available for historical state or older chain-data queries.
  • Trace support is available for transaction debugging and execution analysis.
  • Dedicated node options are available when the workload needs isolated resources or more operational control.

A quick connection check usually starts with chain_getBlock, then moves into the exact methods your wallet, dashboard, bot, indexer, or backend service needs.

Planning the next step:

  • Shared RPC is usually enough for early integration, prototypes, and moderate app traffic.
  • Consider dedicated nodes when traffic becomes sustained, workloads are latency-sensitive, or isolation and monitoring become operational requirements.

Next steps:

RPC API SERVICE
Reliable RPC endpoints with high rate limits
Powerful RPC request analytics
99.99% uptime
Connect via HTTPS or websocket
Decentralised servers hosted globally
Full archive access at no extra cost
DEDICATED NODE
Sync chain state in seconds with Lightning Restore
Full control over your node
Extensive suite of monitoring tools
Pay-as-you-go flexibility

Never Worry about Infrastructure Again

OnFinality takes away the heavy lifting of DevOps so you can build smarter and faster.

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