Transaction & Fee APIs
Priority Fee API FAQs
Get answers to the most common questions about Priority Fee API including transaction optimization, fee estimation, and improving landing rates
Using the Priority Fee API
How do I improve the landing rate for my transactions with low fees?
How do I improve the landing rate for my transactions with low fees?
Use the Priority Fee API to get optimal fee recommendations instead of guessing fees. Choose appropriate priority levels (“Medium” for most cases, “High” for time-sensitive operations) and follow transaction best practices.For paid plans, staked connections provide near-guaranteed delivery when combined with proper priority fees.See our Transaction Optimization Guide for complete implementation details.
How do I send a transaction on Solana?
How do I send a transaction on Solana?
Helius provides three main approaches:
- Smart Transactions (Recommended) - Use our SDKs for automatic optimization
- Manual Optimization - Build and optimize transactions yourself with full control
- Ultra-Low Latency - Use Helius Sender for high-frequency trading
What priority level should I use for my transactions?
What priority level should I use for my transactions?
Start with “Medium” for most applications. Use “High” or “VeryHigh” for time-sensitive operations, and “Low” for cost-optimized non-urgent transactions.See the Priority Fee API guide for detailed explanations of all six priority levels and when to use each.
How do I calculate the total cost of priority fees?
How do I calculate the total cost of priority fees?
Formula: Total priority fee = Price per compute unit × Compute units consumedUse the Priority Fee API to get real time estimates for your specific transaction instead of manual calculations. The API accounts for current network conditions and transaction complexity.