How to Choose an RPC Provider for a Web3 Application

Josh — Fri, 14 Aug 2026 10:19:46 +0000

Building a decentralized application involves much more than writing smart contracts and designing a user interface. Every Web3 application also needs a reliable way to communicate with the blockchain.

This is where an RPC provider becomes an important part of the infrastructure stack.

RPC, or Remote Procedure Call, allows applications to send requests to blockchain nodes. Whenever a wallet checks a balance, a DeFi interface loads transaction data, or a dApp submits a transaction, RPC infrastructure is usually involved somewhere in the process.

Choosing the right provider can therefore have a direct impact on application performance, reliability, and scalability.

What Does an RPC Provider Do?

A blockchain network consists of distributed nodes that maintain and verify the network state. Applications need access to these nodes to retrieve information or submit transactions.

Instead of maintaining their own infrastructure, development teams can use an RPC provider that operates the required blockchain nodes and exposes endpoints for applications.

A typical request might look like this:

const response = await fetch(RPC_URL, {
method: "POST",
headers: {
"Content-Type": "application/json"
},
body: JSON.stringify({
jsonrpc: "2.0",
method: "eth_blockNumber",
params: [],
id: 1
})
});

The application sends the JSON-RPC request to an endpoint, the infrastructure queries the blockchain, and the result is returned to the application.

The concept is simple. Running that infrastructure reliably at scale is not.

Reliability Should Come First

RPC infrastructure can become a critical dependency for a production application.

If an endpoint becomes unavailable, users may experience failed transactions, missing balances, delayed data, or interfaces that simply stop responding.

For that reason, uptime should be one of the first factors considered when evaluating an RPC provider.

Production infrastructure generally requires continuous monitoring, redundancy, and mechanisms for recovering from node or network failures.

For applications handling significant transaction volumes, relying on a single poorly monitored endpoint can introduce an unnecessary point of failure.

Latency Matters Too

Reliability alone is not enough.

A Web3 application may perform many blockchain queries during a single user session. Even relatively small delays can accumulate when the frontend repeatedly requests balances, blocks, transaction receipts, contract state, or event logs.

Latency becomes particularly important for applications such as:

DeFi platforms
trading applications
blockchain explorers
wallets
NFT platforms
Web3 games
data-intensive dashboards

Developers should therefore evaluate both availability and response performance when selecting infrastructure.

Think Beyond Your First Blockchain

Many projects begin on one network and expand later.

A team might launch on a single ecosystem before adding another chain, testnet, Layer 2, or application-specific network.

Operating separate infrastructure stacks for every network can quickly become difficult to manage.

A multi-network RPC provider can simplify this architecture by allowing teams to work with a consistent infrastructure partner as the application expands.

Infrastructure providers such as Crouton Digital combine RPC services with broader blockchain infrastructure across multiple ecosystems.

More information about its infrastructure stack is available at https://crouton.digital/.

Monitoring Is an Infrastructure Requirement

Blockchain nodes are not "deploy once and forget" services.

They require monitoring.

Operators need visibility into synchronization status, resource utilization, peer connectivity, response times, software versions, and network-specific conditions.

Without monitoring, infrastructure problems may only become visible after users begin reporting failures.

Good RPC infrastructure therefore combines nodes with monitoring and operational processes rather than treating endpoints as isolated servers.

Consider Rate Limits and Scaling

An RPC setup that works for a prototype may not work for a production application.

Imagine that your application grows from 100 users to 100,000.

Suddenly, thousands of requests may arrive within a short period. The infrastructure must handle those spikes without creating unacceptable response times or failure rates.

When evaluating an RPC provider, developers should consider:

request limits
scaling capabilities
endpoint performance
infrastructure redundancy
supported networks
monitoring
support for production workloads

These characteristics become increasingly important as an application grows.

Managed RPC vs Running Your Own Nodes

Developers can also operate their own blockchain nodes.

This approach provides significant control over configuration and infrastructure. For some teams, particularly those with specialized requirements, that control can be valuable.

However, self-hosting introduces operational responsibilities.

Teams must provision servers, install node software, maintain versions, monitor synchronization, manage storage growth, respond to incidents, and scale capacity.

A managed RPC provider shifts much of this responsibility to an infrastructure operator.

The right choice depends on the project.

Teams with strong infrastructure expertise may prefer self-hosted nodes. Others may decide that engineering resources are better spent on application development.

Hybrid architectures are also possible, where projects maintain internal nodes while using external RPC infrastructure for redundancy or additional capacity.

Final Thoughts

RPC infrastructure is one of the less visible parts of Web3 development, but it can strongly influence the user experience.

A good RPC provider should not simply expose an endpoint. It should provide the reliability, monitoring, network coverage, and scalability required to keep applications connected to blockchain networks.

As Web3 applications become more complex, infrastructure decisions increasingly become product decisions as well.

Fast and reliable blockchain access means fewer failed requests, better application responsiveness, and less operational work for development teams.

Choosing RPC infrastructure carefully at the beginning can prevent much larger infrastructure problems later.

DEV Community: Josh

How to Choose an RPC Provider for a Web3 Application