What should a Solana RPC provider offer for advanced analytics APIs?

Decision guide: matching analytics workloads to Solana RPC capabilities

Before comparing providers, map your analytics use case to the RPC methods and infrastructure it actually needs. A simple dashboard that tracks recent transactions can run on a shared public endpoint, but a data pipeline that backfills historical activity or monitors the mempool in real time will need dedicated capacity and archive access.

Ask these questions early:

• What data do you need? Recent signatures, full transaction details, or account state changes over time?
• How much history? A few hours, days, or the full ledger since genesis?
• What access pattern? Bursty queries from a dashboard, continuous polling, or long-lived WebSocket subscriptions?
• What tolerance for rate limits? Analytics tools often issue many parallel requests; shared endpoints may throttle them.

If your workload is mostly historical or high-volume, a dedicated node gives you predictable throughput and the ability to run your own indexing. If you need a quick start for prototyping, a shared RPC with generous limits may suffice. OnFinality offers both shared and dedicated Solana RPC options, with public endpoints for testing and production-grade infrastructure for scale.

Solana RPC methods that power analytics

Solana's JSON-RPC API exposes methods that are particularly useful for analytics. Here are the ones you'll likely rely on:

• getSignaturesForAddress – returns a list of transaction signatures for a given address, with pagination. Essential for tracking activity of a wallet or program.
• getTransaction – fetches full transaction details, including fees, instructions, and logs. Combine with getSignaturesForAddress to reconstruct transaction history.
• getBlock – retrieves a block with all its transactions, receipts, and rewards. Useful for chain-level analytics.
• getBlocks – lists block numbers within a range, enabling batch processing.
• getAccountInfo – returns account state, including data and lamports. Critical for tracking token balances or program state.
• getProgramAccounts – fetches all accounts owned by a program. Powerful for indexing program-specific data, but can be heavy on the node.
• getTokenAccountsByOwner – lists token accounts for a wallet, useful for portfolio analytics.
• getSlot and getBlockHeight – for monitoring chain progress and detecting stalls.

For real-time analytics, WebSocket subscriptions such as accountSubscribe, logsSubscribe, and programSubscribe provide push-based updates, reducing polling overhead.

Evaluating provider API capabilities

When comparing Solana RPC providers for analytics, focus on these capabilities:

OnFinality's Solana RPC service supports both HTTP and WebSocket transports, with public endpoints for evaluation and dedicated nodes for production. Check the Solana network page for current details.

Public vs. dedicated: what analytics workloads need

Public endpoints are convenient for testing and low-volume use. They're shared across many users, so they can be rate-limited or slower during peak times. For analytics that run continuously or require large data pulls, a dedicated node provides:

• Predictable performance – no competition for resources.
• Higher rate limits – you can issue more requests per second.
• Custom configuration – you can enable flags like --enable-rpc-transaction-history to retain historical transactions.
• Direct access – no intermediary to throttle or filter your requests.

If you're building a serious analytics platform, plan for dedicated infrastructure from the start. OnFinality's dedicated node service lets you deploy a Solana node with the settings you need.

Example: pulling transaction history with curl

Here's a simple example using curl to fetch recent signatures for an address, then get the details of the latest transaction. Replace YOUR_ADDRESS with a real Solana address.

# Get recent signatures for an address
curl https://solana.api.onfinality.io/public \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "getSignaturesForAddress",
    "params": ["YOUR_ADDRESS", {"limit": 5}]
  }'

# Get details of the most recent transaction (use a signature from the previous response)
curl https://solana.api.onfinality.io/public \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 2,
    "method": "getTransaction",
    "params": ["SIGNATURE", {"encoding": "jsonParsed"}]
  }'

For production, use a dedicated endpoint to avoid rate limits. OnFinality provides both public and dedicated endpoints; see the Solana network page for details.

WebSocket subscriptions for real-time analytics

Real-time analytics often require streaming data. Solana's WebSocket API allows you to subscribe to account changes, logs, and program updates. Here's a Node.js example using the ws library:

const WebSocket = require('ws');

const ws = new WebSocket('wss://solana.api.onfinality.io/public-ws');

ws.on('open', () => {
  // Subscribe to logs for a specific program (e.g., a DEX program)
  ws.send(JSON.stringify({
    jsonrpc: '2.0',
    id: 1,
    method: 'logsSubscribe',
    params: [
      { mentions: ['PROGRAM_ID'] },
      { commitment: 'finalized' }
    ]
  }));
});

ws.on('message', (data) => {
  const msg = JSON.parse(data);
  if (msg.method === 'logsNotification') {
    console.log('New log:', msg.params.result.value.signature);
    // Process the log data for analytics
  }
});

ws.on('error', (err) => {
  console.error('WebSocket error:', err);
});

WebSocket connections are long-lived and require stable infrastructure. A dedicated node can handle many concurrent subscriptions without impacting other users.

Common pitfalls in Solana analytics RPC usage

Even with a good provider, you may run into issues. Here are common pitfalls and how to avoid them:

• Rate limiting on shared endpoints – If you get 429 errors, consider upgrading to a dedicated node or batching requests.
• Incomplete transaction history – Some nodes don't retain historical transactions unless configured with --enable-rpc-transaction-history. Ensure your provider supports this.
• Large responses – getProgramAccounts can return huge payloads. Use filters and pagination to limit data.
• Stale data – If you're reading from a node that's behind, your analytics will be inaccurate. Monitor slot height and use commitment levels appropriately.
• WebSocket disconnects – Implement reconnection logic and handle missed notifications.

Key Takeaways

• Advanced Solana analytics depend on RPC methods like getSignaturesForAddress, getTransaction, and getBlock, plus WebSocket subscriptions for real-time data.
• Evaluate providers on method coverage, historical depth, WebSocket stability, rate limits, and dedicated node availability.
• Public endpoints are fine for testing, but production analytics should use dedicated infrastructure to avoid rate limits and ensure consistency.
• OnFinality offers both shared and dedicated Solana RPC options, with public endpoints for evaluation and production-grade nodes for scale.

Frequently Asked Questions

What is the best Solana RPC provider for analytics?

The best provider depends on your workload. For high-volume or historical analytics, a dedicated node with archive access is recommended. OnFinality provides both shared and dedicated Solana RPC services; see the Solana network page for details.

Can I use a public Solana RPC endpoint for production analytics?

Public endpoints are shared and may have rate limits, making them unsuitable for high-throughput production analytics. A dedicated node offers predictable performance and higher limits.

How do I get historical transaction data from Solana?

Use getSignaturesForAddress to list signatures, then getTransaction to fetch details. Ensure your node has transaction history enabled. OnFinality's dedicated nodes can be configured for this.

What WebSocket subscriptions are useful for Solana analytics?

logsSubscribe, accountSubscribe, and programSubscribe are commonly used for real-time monitoring and analytics.

Does OnFinality support Solana WebSocket connections?

Yes, OnFinality provides WebSocket endpoints for Solana, as shown in the examples above. Check the Solana network page for the latest URLs.

For more on choosing the right RPC provider, see our guide on selecting an RPC provider and RPC pricing.