Trade and make any market with an edge
Win more trades by building a unified trading system that combines the lowest-latency reads of LaserStream with the fastest transaction landing services of Sender.



The full Solana trading stack in one place
The most successful traders see opportunities first, and act on them the fastest. Helius gives you a dedicated product for each step.
See transactions the moment they're scheduled
Preconfirmations stream transactions the instant a validator's scheduler commits to executing them. It's the earliest signal you can react to.
- The lowest-latency transaction signal Helius offers
- Streamed over a preconfSubscribe WebSocket
- 10 credits per message, available on Pro plans
{
"jsonrpc": "2.0",
"id": 1,
"method": "preconfSubscribe",
"params": [
{
"failed": false,
"regionInclude": ["ewr", "fra"],
"accountInclude": ["TARGET_WALLET_ADDRESS"],
"accountExclude": ["TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA"],
"accountRequired": ["11111111111111111111111111111111"]
}
]
}- The lowest-latency transaction signal Helius offers
- Streamed over a preconfSubscribe WebSocket
- 10 credits per message, available on Pro plans
{
"jsonrpc": "2.0",
"id": 1,
"method": "preconfSubscribe",
"params": [
{
"failed": false,
"regionInclude": ["ewr", "fra"],
"accountInclude": ["TARGET_WALLET_ADDRESS"],
"accountExclude": ["TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA"],
"accountRequired": ["11111111111111111111111111111111"]
}
]
}Reliably land trades in any market conditions
Land transactions everywhere, every time with our ULL transaction sending service. No API credits. Pay per send with a SOL tip. Built for traders.
- Route txns across every available high-speed pathway
- Submit transactions through 7 regional endpoints
- 50 TPS (default) and custom tip arrangements
Min. SOL tip
Min. SOL tip
curl "https://sender.helius-rpc.com/fast" \
-X POST \
-H "Content-Type: application/json" \
-d '{
"jsonrpc": "2.0",
"id": 1,
"method": "sendBundle",
"params": [
[
"BASE64_SIGNED_TX_1",
"BASE64_SIGNED_TX_2"
],
{ "encoding": "base64" }
]
}'- Route txns across every available high-speed pathway
- Submit transactions through 7 regional endpoints
- 50 TPS (default) and custom tip arrangements
Min. SOL tip
Min. SOL tip
curl "https://sender.helius-rpc.com/fast" \
-X POST \
-H "Content-Type: application/json" \
-d '{
"jsonrpc": "2.0",
"id": 1,
"method": "sendBundle",
"params": [
[
"BASE64_SIGNED_TX_1",
"BASE64_SIGNED_TX_2"
],
{ "encoding": "base64" }
]
}'Stream trading data at the speed of light
Power your trading engine with LaserStream — the fastest, most fault-tolerant gRPC streaming solution. No dedicated nodes required.
- Powered by ultra low latency shreds
- Maximally redundant with automatic failover
- 24-hour historical replay and auto reconnects
To give traders the best price and tightest spreads, we depend on LaserStream to feed our price engine with the freshest, fastest onchain data.
Nitesh Nath, CEO at DFlow- Powered by ultra low latency shreds
- Maximally redundant with automatic failover
- 24-hour historical replay and auto reconnects
To give traders the best price and tightest spreads, we depend on LaserStream to feed our price engine with the freshest, fastest onchain data.
Nitesh Nath, CEO at DFlowPurpose-built networks for 24/7 connectivity
Increase your profitability by being the first to observe market movements onchain and the first to submit transactions.
- Regional endpoints
- 7
- SOL Staked
- 15M+
- Uptime
- 99.99%
- Support
- 24/7
How DFlow Uses LaserStream to Quote Solana's Best Prices
See how DFlow, a leading DEX Aggregator on Solana eliminated engineering overhead, achieved 100% uptime, and recorded the single best month of swap volume in protocol history.
Read nowTrading resources
View allTrusted by
Solana's best traders
The number one thing we care about is safety for users. To give traders the best price and tightest spreads, we depend on LaserStream to feed our price engine with the freshest, fastest onchain data.

Helius has been instrumental in kickstarting our Pythnet operations. Their seamless infrastructure management ensures everything runs smoothly, allowing us to focus on building and scaling our trading operations without worrying about the details of running Solana nodes.

The Helius team's deep technical expertise in Solana and node management was absolutely critical during one of our most challenging and busiest days. Thanks to their support, we handled extreme congestion and enabled our users to complete more than 10 million transactions in just one day.
Having personally built our own in-house indexing and data pipelines at Zeta, I know how much of a headache it is for new teams. Being able to save countless hours of data engineering work and costly AWS bills is a big advantage for us.
The number one thing we care about is safety for users. To give traders the best price and tightest spreads, we depend on LaserStream to feed our price engine with the freshest, fastest onchain data.

Helius has been instrumental in kickstarting our Pythnet operations. Their seamless infrastructure management ensures everything runs smoothly, allowing us to focus on building and scaling our trading operations without worrying about the details of running Solana nodes.

The Helius team's deep technical expertise in Solana and node management was absolutely critical during one of our most challenging and busiest days. Thanks to their support, we handled extreme congestion and enabled our users to complete more than 10 million transactions in just one day.
Having personally built our own in-house indexing and data pipelines at Zeta, I know how much of a headache it is for new teams. Being able to save countless hours of data engineering work and costly AWS bills is a big advantage for us.
Trade with an edge
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