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Helius

Helius

High-performance RPC and data infrastructure for building on Solana

softwareBlockchain Devsolana-infrastructureblockchain-rpcweb3-api
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What is Helius?

Helius provides RPC and API infrastructure for Solana developers, including globally distributed RPC endpoints, gRPC-based data streaming, and low-latency transaction delivery. Its Gatekeeper edge gateway targets sub-millisecond response times, and features like webhooks and preconfirmations give developers real-time visibility into on-chain activity.

SpecificationsAI-estimated

deploymentCloud/SaaS
open source❌ No
api available✅ Yes

Key Features of Helius

Provides globally distributed Solana RPC endpoints through an edge gateway aimed at sub-millisecond response times.
Offers LaserStream, a gRPC-based streaming service for blocks, transactions, and account data.
Includes Sender, a low-latency transaction delivery service across seven global endpoints.
Delivers real-time on-chain event monitoring through webhooks and WebSocket connections.
Surfaces preconfirmation signals for early detection of pending on-chain activity.
Reports a 99.99% RPC success rate with SOC 2 certified infrastructure.
Offers a free-to-start tier with no credit card required for initial access.

Use Cases for Helius

1

Wallet infrastructure

Wallet developers use Helius RPC endpoints and webhooks to power real-time balance and transaction updates.

2

MEV and trading infrastructure

Trading teams use Sender and preconfirmations to reduce transaction latency in competitive execution scenarios.

3

DeFi protocol monitoring

Protocol teams use LaserStream to stream on-chain account and transaction data into their own systems.

4

Exchange integrations

Cryptocurrency exchanges rely on Helius's distributed RPC infrastructure for reliable Solana connectivity.

Pros & Cons of Helius

Pros

  • Strong reported reliability with 99.99% RPC success rate
  • Broad feature set covering RPC, streaming, and transaction delivery in one platform
  • Free tier lets developers start building without upfront payment
  • SOC 2 certification supports enterprise and fintech adoption

Cons

  • Solana-specific, not useful for developers building on other chains
  • Detailed pricing tiers require visiting a separate pricing page
  • Advanced features like Sender and LaserStream are geared toward trading-focused use cases

Frequently Asked Questions

What blockchain does Helius support?

Helius is built specifically for the Solana blockchain.

Is there a free plan?

Yes, Helius offers a free tier that can be started with one click and no credit card required.

What is LaserStream?

LaserStream is Helius's gRPC-based data streaming service for blocks, transactions, and account data.

Does Helius offer real-time event monitoring?

Yes, through webhooks and WebSocket connections for on-chain event monitoring.

Pricing Overview

View full pricing →
Paid (Subscription)

Free

Free

Developer

$49/month

Business

$499/month

Professional

$999/month

Enterprise

Custom

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About the Product

Unclaimed Listing
PricingView pricing
Platforms
Web
Target AudienceSolana developers, traders, wallet builders, exchanges, and DeFi protocol teams needing reliable blo

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Tags

solana-infrastructureblockchain-rpcweb3-apionchain-data-streamingcrypto-developer-tools

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