Your edge to landing Solana transactions
Send Solana transactions across every high-speed pathway to reliably land on-chain. 7 global endpoints. 0 credits. Built for speed.
Land Solana transactions, everywhere, every time
Maximize your transaction inclusion probability. Sender routes every transaction across all available high-speed pathways and enters it into a priority tip buffer — tip more to improve your chances of landing first.
- Regions covered
- 7
- Minimum SOL tip
- 0.000005
- API Credits
- 0
Choose your tier
Sender Max is best for latency-sensitive traders, HFTs, and prop trading firms. SWQOS-only is best for non-latency-sensitive use cases.
- Tips between 0.000005 and 0.001 SOL are accepted on a best-effort basis and don't enter the priority tip buffer.
- The 0.001 SOL minimum is a floor, not a target
- For competitive transactions, price your tip closer to the value of what you are landing
Sender Max
0.001 SOL min tipRouted across every high-speed pathway and entered into a priority tip buffer — tip more to land first. Handles single transactions and bundles.
SWQOS-only
0.000005 SOL min tipA single SWQOS path with no priority tip buffer. Enable it by adding ?swqos_only=true to your request.
- Tips between 0.000005 and 0.001 SOL are accepted on a best-effort basis and don't enter the priority tip buffer.
- The 0.001 SOL minimum is a floor, not a target
- For competitive transactions, price your tip closer to the value of what you are landing
Sender Max
0.001 SOL min tipRouted across every high-speed pathway and entered into a priority tip buffer — tip more to land first. Handles single transactions and bundles.
SWQOS-only
0.000005 SOL min tipA single SWQOS path with no priority tip buffer. Enable it by adding ?swqos_only=true to your request.
Need higher TPS or custom plans?
Our ultra-low latency transaction service offers custom TPS limits and tip arrangements tailored to your trading needs. Contact us for details.
Who is Sender for?
Memecoin sniper bots
Increase your chances of sniping newly launched memecoins
Telegram trading bots
Land transactions more predictably and estimate fees more accurately
Wallets
Give users a better swapping experience with higher landing rates.
DeFi applications
Land user's transactions even during periods of network congestion.
Easy to set up,
tough to beat
Built for speed
Every transaction is routed across all available high-speed pathways and entered into a priority tip buffer with optimized networking and geographical routing — tip more to land first.
Distributed globally
7 geographic locations including Tokyo, Singapore, London, Amsterdam, Frankfurt, Salt Lake City and Newark.
Backed by Solana's largest validator
Never worry about staked bandwidth. Send transactions through Solana's #1 staked validator.
{
"id": "1",
"jsonrpc": "2.0",
"method": "sendTransaction",
"params": [
// Only the Sender tip is required; a priority fee is recommended
"BASE64_ENCODED_TRANSACTION",
{
"encoding": "base64",
"skipPreflight": true, // Optional — skipping just lowers latency
"maxRetries": 0
}
]
}Built for speed
Every transaction is routed across all available high-speed pathways and entered into a priority tip buffer with optimized networking and geographical routing — tip more to land first.
Distributed globally
7 geographic locations including Tokyo, Singapore, London, Amsterdam, Frankfurt, Salt Lake City and Newark.
Backed by Solana's largest validator
Never worry about staked bandwidth. Send transactions through Solana's #1 staked validator.
{
"id": "1",
"jsonrpc": "2.0",
"method": "sendTransaction",
"params": [
// Only the Sender tip is required; a priority fee is recommended
"BASE64_ENCODED_TRANSACTION",
{
"encoding": "base64",
"skipPreflight": true, // Optional — skipping just lowers latency
"maxRetries": 0
}
]
}Trusted by Solana's best
“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.”
FAQs
Sender is a Solana transaction submission service optimized for ultra-low latency. As one unified service, Sender routes your transaction across every high-speed pathway, giving propAMMs, copy trader, snipers, and arb bots top of block landing in all network conditions. Sender uses no credits — you pay only through the SOL tip.
Yes, Sender is available on all Helius plans. From the Helius dashboard, get a Sender endpoint URL to start sending transactions.
Sender endpoints are distributed across 7 regions: Salt Lake City, Newark, London, Frankfurt, Amsterdam, Singapore, and Tokyo. For best results, choose the Sender endpoint that is closest to where your application is hosted.
Sending Solana transactions through Sender does not consume API credits from your plan.
Sender’s default rate limit is 50 transactions per second or TPS. If you require higher rate limits, please contact us and we will follow up with next steps.
Sender has two tiers. Sender Max is the flagship option for the fastest landing: it requires a minimum tip of 0.001 SOL, routes your transaction across every high-speed pathway, and enters it into a priority auction where tipping more helps you land first. Sender Max handles both transactions and bundles. SWQOS-only is the cost-optimized option: it uses a single fast path, requires a minimum tip of just 0.000005 SOL (5,000 lamports), and is enabled by adding ?swqos_only=true to your Sender endpoint URL. Tips between 0.000005 and 0.001 SOL are accepted on a best-effort basis and do not enter the priority auction. Sender uses no credits — you pay only through the SOL tip.
Only the tip is strictly required, and it is paid in SOL — Sender uses no credits. A priority fee is recommended but not required, and skipPreflight is optional. Sender submits your transaction through one unified service across every high-speed pathway to maximize the probability that it lands. Increase the tip close to the value of the transaction to maximize inclusion at top of block.
Add ?swqos_only=true to your Sender endpoint URL to use the SWQOS-only tier. This routes your transaction through a single fast path and requires a lower minimum tip of 0.000005 SOL (5,000 lamports). For the fastest landing across every high-speed pathway with a priority auction, use Sender Max instead (0.001 SOL minimum tip).
TL;DR — if your team cares about speed and ultra-low-latency transaction landing rates (e.g., most trading use cases), then you should use Sender. Sender routes transactions across every high-speed pathway in parallel as one unified service. If speed is not as critical for your use case, then using Staked Connections, which are included by default in all Helius shared plans, is likely better for you.
Tired of losing trades?
Use Sender to accelerate your Solana transactions and compete for every trade. Available on all plans.