Solana RPC for DeFi

Low-latency Solana data, real-time streams, simulation, and transaction delivery for DeFi apps.

One Solana RPC stack for DeFi: fast state reads, real-time streams, transaction simulation, and competitive delivery paths for swaps, liquidations, routing, and trading.

Powering up your DeFI with reliable Solana RPC

DeFi infrastructure built around state freshness and execution

RPC Fast separates reads, streaming, simulation, and transaction delivery so your DeFi backend does not depend on one overloaded RPC path for every critical action.

Fast state reads

Heavy RPC methods

Real-time Yellowstone gRPC

Stronger transaction delivery

Earlier transaction visibility

Transaction simulation

From state change to landed transaction

A DeFi transaction crosses several infrastructure layers before it becomes a confirmed result.

Read current state

JSON-RPC

pools

balances

account state

blockhashes

fee data

Detect change

WebSocket / Yellowstone gRPC

account updates

transactions

slots

program activity

Evaluate execution

Simulation

compute requirements

expected state transition

failure conditions

Build transaction

Tx build

fresh blockhash

compute budget

priority fee

route-specific tip if required

Submit

Standard RPC / Beam

choose route

send transaction

optimize delivery via SWQoS

Confirm and measure

Tracking

signature status

confirmation latency

landing rate

route variance

For latency-sensitive workflows, Shredstream or Aperture moves the signal step earlier in the pipeline.

RPC Fast has everything DeFi needs on each maturity stage: from Start and Focus for RPC workloads, to Stream for Yellowstone gRPC, to Aperture for Shredstream and Aperture access.

Dedicated infrastructure is the next step when shared limits or topology become the bottleneck.

Match the RPC layer to your DeFi maturity stage

Do not upgrade because the protocol has more users. Upgrade when the infrastructure problem changes.

Prototype

Typical workload

Basic reads, swaps, test transactions

Start

What changes

Standard JSON-RPC and lightweight WebSockets

Early production

Typical workload

Token discovery, protocol state, heavier reads

Focus

What changes

Heavy RPC methods and higher request limits

Real-time DeFi

Typical workload

Live pricing, monitoring, indexing, event-driven backend

Stream

What changes

Yellowstone gRPC and more WebSocket capacity

Latency-sensitive execution

Typical workload

Liquidations, arbitrage, routing, HFT-style DeFi

Aperture

What changes

Shredstream, Aperture, higher stream capacity

High-scale infrastructure

Typical workload

Custom indexing, isolation, sustained heavy load

Dedicated node

What changes

Isolated hardware, custom plugins, node-level tuning

Business-critical DeFi

Typical workload

Multi-node resilience and failover

HA cluster

What changes

Load balancing, redundancy, geo-distribution

Mizar Case Study

All-in-one CeFi+DeFi trading platform • Cross-chain • Millions of daily requests

Before

No prod-ready Solana/Base nodes; launch needed in days
Risk of missed events and analytics lag
Limited observability; manual ops across chains
Provisioning delays & hardware lead times

After

2× Base + 1× Solana live in 2–3 days
Yellowstone gRPC + bloXroute/Jito → lower latency
Pre-synced spares → ~15-min node swap/scale
Hybrid bare metal + cloud, Grafana & custom gRPC proxy for observability

Built for DeFi systems where state and execution matter

DEXs

Live pool state, swaps, simulation, and transaction submission.

Liquidation engines 

React to account changes and submit time-sensitive liquidation transactions.

DEX aggregators

Fast account data and structured streams for quote and route updates.

Trading terminals

Combine real-time market state with simulation and execution infrastructure.

Lending protocols

Track collateral, positions, oracle-related state, and transaction status.

DeFi automation 

Support rebalancing, keepers, arbitrage, and other event-driven on-chain strategies.

Start for Free Docs

The related cases and guides

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FAQ

What is DeFi on Solana and Why Does It Need Fast RPC?

DeFi (Decentralized Finance) includes swaps, lending, yield farming, and liquidity provision on Solana. Fast RPC is critical because DeFi operations are time-sensitive: swap prices change every 100-200ms, liquidations happen instantly, and MEV bots hunt opportunities. Slow RPC = worse execution prices and missed opportunities.

What Latency Does DeFi on Solana Require?

Latency	Viability	Use Case
<50ms	✅ Excellent	Traders, arbitrage, liquidations
50-100ms	✅ Good	Swaps, LP provision
100-300ms	⚠️ Acceptable	Casual users, long-term positions
300ms+	❌ Poor	Slippage too high, unprofitable

RPC Fast delivers sub-40ms—optimal for all DeFi activities.

How Do I Execute a Swap on Solana With Fast RPC?

Query pool reserves from RPC (current prices);
Calculate output amount (how many tokens you get);
Check slippage tolerance;
Build transaction;
Sign locally;
Send via RPC;
Monitor confirmation.

Takes ~500ms total with fast RPC.

How Does Lending/Borrowing Work on Solana DeFi?

Deposit collateral (e.g., SOL);
Borrow assets (e.g., USDC);
Interest accrues continuously;
If collateral value drops too much, liquidation occurs;
Fast RPC critical to avoid surprise liquidations.

Why fast RPC: Price drops happen instantly. You need real-time collateral monitoring to add collateral before liquidation.

What's Yield Farming and How Does RPC Help?

Yield farming = deposit LP tokens to earn additional rewards. ROI varies constantly. Fast RPC lets you:

Monitor yield rates in real-time;
Switch between protocols quickly if yields drop;
Harvest rewards at optimal times;
Rebalance positions without delays.

What's Price Impact and How Does It Differ From Slippage?

Price Impact: Market moves due to YOUR trade size (permanent).

Slippage: Price changes between quote and execution (temporary).

Example $10,000 swap:

Price impact: Pool price shifts +$0.01
Slippage: By execution, pool price is +$0.02
Total cost: $0.03 per token

Larger orders = higher price impact (unavoidable). Fast RPC minimizes slippage.

What Are the Main DeFi Protocols on Solana?

Swap/DEX: Raydium, Orca, Jupiter, Magic Eden
Lending: Solend, Lending Pool, Mango Markets
Yield Farming: Raydium, Orca, Jupiter LP rewards
Staking: Marinade (liquid staking), Lido
Derivatives: Mango Markets, PerpFi, Drift Protocol
Aggregators: Jupiter (best swap routes), 1inch equivalent

How Does Slippage Affect DeFi on Solana?

Slippage = difference between expected and actual execution price. Example: Expect $100 USDC → 1000 COPE, but get 950 COPE due to price movement. Slow RPC increases slippage 5-20%. Fast RPC minimizes slippage to 0.5-2%.
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Impact: Every 0.1% slippage on $1000 = $1 loss. 100 trades × $1 = $100/month cost.

What Real-Time Data Do DeFi Users Need From RPC?

Pool reserves (to calculate prices), swap rates, liquidity depths, token balances, transaction history, on-chain events (swaps, deposits, withdrawals), gas prices, and network congestion. Updated continuously for active traders.

What's Liquidity Provision and Why Is Speed Important?

LP = depositing equal value of two tokens into a pool. Earn fees from trades but face impermanent loss. Speed matters because:

Impermanent loss changes every block;
Fast RPC lets you monitor and rebalance quickly;
Slow RPC means you miss optimal entry/exit times.

What Are Flash Loans and Do I Need Fast RPC?

Flash loans = borrow large amounts with zero collateral, must repay in same transaction. Used for arbitrage, liquidations, and protocol exploits. Fast RPC essential because you must analyze opportunity, execute multiple swaps, and repay within milliseconds.

How Do I Monitor Lending Protocol Health With RPC?

Query:

Your collateral ratio (deposited / borrowed);
Liquidation price (at what price do you get liquidated);
Available liquidity in protocol;
Interest rates.

Update every 10-30 seconds for safety. Fast RPC means more frequent, cheaper checks.

How Do I Reduce Slippage on Large Swaps?

Use swap aggregators (Jupiter finds best route);
Split into smaller orders (reduces price impact);
Use limit orders (wait for better price);
Check liquidity depth before swapping;
Use fast RPC for instant execution.

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Combination of these reduces slippage 50-80%.