Moonbase Alpha

Navigate Moonbase Alpha with confidence using Blast API

Blast equips Moonbase Alpha developers with RPC endpoints and other resources to efficiently create, deploy, and manage dApps, leveraging the unique features and capabilities of the Moonbase Alpha ecosystem.

Benefits of Moonbase Alpha

About Moonbase Alpha

Moonbase Alpha is the official testnet for the Moonbeam and Moonriver networks, playing a crucial role in the development and testing of smart contracts and dApps within the Polkadot ecosystem. Designed as a sandbox environment, it allows developers to experiment, develop, and conduct testing of their projects under real-world conditions, without the risks and costs associated with deploying on a mainnet.

One of the key features of Moonbase Alpha is its full compatibility with Ethereum, achieved through a complete implementation of the Ethereum Virtual Machine (EVM). This compatibility is significant for Ethereum developers looking to expand into the Polkadot ecosystem, as it allows them to deploy existing Ethereum smart contracts and dApps on Moonbase Alpha with minimal changes.

Moonbase Alpha provides a realistic simulation of the Moonbeam mainnet, including its consensus mechanism, block times, and other network parameters. This realistic setting is invaluable for developers who need to understand how their applications will perform under actual network conditions. By testing in an environment that closely mirrors the mainnet, developers can identify and resolve potential issues, optimize performance, and ensure greater reliability and stability of their applications before the final deployment.

The Moonbase Alpha TestNet is a decentralized network that runs on Delegated Proof of Stake. The users of the network can delegate collator candidates to produce blocks and earn rewards for testing purposes.

Get started now with Blast's Free Public API, deploy your Moonbase Alpha projects free of charge!

Moonbase Alpha Testnet

Moonbase Alpha is the para-chain testnet providing developers a sandbox environment to build and test Ethereum - compatible smart contracts and dApps of Moonbeam and Moonriver.

Public RPC Endpoint

Public WSS Endpoint





Returns the number of the most recent block

eth_blockNumber response

Returns the number of the most recent block


An integer value of the current block number the client is on


curl -X POST \
-H 'Content-Type: application/json' \
-d '{"jsonrpc":"2.0","id":0,"method":"eth_blockNumber"}'
See all Public APIs

Blast Features for Moonbase Alpha Developers

Core API

Blast custom APIs offer optimized throughput and reduced latency for transactions on Moonbase Alpha and enable access to real-time data, transaction history and network status.

Included with all plans

Archive Nodes

These nodes retain all historical transaction information on the Moonbase Alpha blockchain from the genesis block to the present, enabling users to query and retrieve any past information. The Archive Nodes feature is enabled starting with the Developer plan.

Included with Developer, Startup, Enterprise & Pay As You Go plans

Trace API

This API provides detailed information about specific transactions on Moonbase Alpha, including their origins, destinations, intermediate steps, and associated data. Trace API is available starting with the Developer plan.

Included with Developer, Startup, Enterprise & Pay As You Go plans

Debug API

The Debug API gives Moonbase Alpha developers access to several non-standard RPC methods, which will allow to inspect, debug and set certain debugging flags during runtime. Debug API is available starting with the Developer plan.

Included with Developer, Startup, Enterprise & Pay As You Go plans

Frequently Asked Questions

What dev tools can you use on Moonbase Alpha Testnet?

You can deploy smart contracts by using Remix IDE, Truffle & deploy-script.js, or by using Moonbeam Truffle Box.

What is Moonbase Alpha?

Moonbase Alpha is the parachain testnet providing developers a sandbox environment to build and test Ethereum-compatible smart contracts and dApps before deploying on Moonbeam and Moonriver.

How much does it cost to use Blast APIs for Moonbase Alpha?

Blast offers free public APIs and a free plan for dedicated accounts to get you started. For detailed pricing you can take a look on our pricing page.

Where do I get support if my Blast APIs are not working on Moonbase Alpha?

The Bware Labs support team is available 24/7 via Discord! Just join our server and write down your questions in the Technical Support channel.

How can I use Blast on Moonbase Alpha?

Just go to Launch App, connect your wallet and get direct access to dedicated endpoints that you can organize into projects depending on your development needs.