
7 Best Unichain RPC Providers for Building High-Performance DeFi Applications in 2025
Unichain, the DeFi-optimized Layer 2 blockchain built by Uniswap Labs on the Optimism Superchain, has rapidly emerged as a critical infrastructure for decentralized finance applications. With transaction costs ~95% lower than Ethereum L1 and one-second block confirmation times, Unichain represents the future of scalable DeFi development. However, choosing the right RPC (Remote Procedure Call) provider is crucial for ensuring your applications deliver reliable performance, maintain low latency, and scale effectively.
Whether you're building a high-frequency trading platform, deploying liquidity pools, or creating the next generation of DeFi protocols, selecting the optimal Unichain RPC provider can make or break your project. This comprehensive guide examines the top providers based on performance metrics, pricing transparency, feature sets, and real-world developer experiences.
Understanding RPC Pricing: The Hidden Cost of Compute Units
Before diving into specific providers, it's essential to understand how RPC pricing actually works—because not all pricing models are created equal.
Most providers advertise their costs in "compute units" or "credits," but the devil is in the details. A simple eth_call request might consume anywhere from 1 to 200 compute units depending on the provider. This means a provider charging $0.10 per million compute units could actually cost more than one charging $2.00 per million requests.
The Real Cost Comparison: When normalized to actual eth_call requests—the backbone of most DeFi applications—costs range from $1.96 to over $20 per million calls across providers. Understanding this metric is crucial for accurate budget forecasting as your application scales.
1. QuickNode – Best for High-Performance Applications with Enterprise SLAs
QuickNode has established itself as one of the premier blockchain infrastructure providers, and their Unichain support delivers exceptional performance for mission-critical applications.
Why QuickNode Stands Out:
QuickNode offers blazing-fast RPC nodes with a 99.99% uptime SLA, making it ideal for applications that cannot tolerate downtime. Their global infrastructure spans multiple continents, ensuring consistently low latency regardless of your users' locations. The platform supports over 70 blockchains, including comprehensive Unichain mainnet and testnet access.
Key Features:
- Sub-100ms response times with globally distributed infrastructure
- Advanced analytics and real-time monitoring dashboards
- Comprehensive API library with debug and trace methods
- WebSocket support for real-time event subscriptions
- Dedicated node clusters for enterprise customers
Pricing Structure:
QuickNode's pricing begins with a generous free tier offering 10 million API credits per month. Their Build plan at $49/month provides 80 million compute units. However, it's important to note that each eth_call consumes 20 compute units, resulting in an effective rate of approximately $12.25 per million actual calls. While this is premium pricing, it's justified by their exceptional uptime guarantees and enterprise-grade infrastructure.
Higher-tier plans (Accelerate at $249/month, Scale at $499/month, and Business at $999/month) offer better compute unit rates and support for high-volume applications, bringing costs down to approximately $10 per million eth_calls at the Business tier.
Best For: High-frequency DeFi applications, institutional trading platforms, and projects requiring guaranteed uptime with enterprise-grade SLAs where infrastructure reliability justifies premium pricing.
2. Chainstack – Best for Cost-Effective Scalability with Unlimited Requests
Chainstack has positioned itself as a developer-friendly infrastructure provider that combines affordability with cutting-edge technology, making it particularly attractive for startups and scaling projects.
Why Chainstack Excels:
Chainstack's patented "Bolt" technology enables near-instant deployment of fully synced dedicated nodes, eliminating the typical waiting period associated with node provisioning. Their "Unlimited Node" offering provides truly unlimited requests for a flat monthly fee, removing the anxiety of unexpected usage spikes.
Key Features:
- Patented Bolt technology for instant node deployment
- Unlimited requests on dedicated node plans
- Support for both HTTPS and WebSocket protocols
- Comprehensive debug and trace API support
- Multi-cloud deployment options for redundancy
Pricing Structure:
Chainstack offers a free Developer plan with 3 million requests per month and 25 RPS. The Growth plan starts at $49/month for 20 million requests with 250 RPS, translating to approximately $2.45 per million requests. This represents a competitive middle ground—more expensive than the lowest-cost providers but significantly cheaper than compute unit-heavy competitors. Their transparent request-based pricing (1 request = 1 credit) makes cost forecasting straightforward.
For high-volume applications, their Unlimited Node plans begin at $705/month, providing unlimited requests and eliminating compute unit complexities entirely—ideal for applications with unpredictable or extremely high traffic.
Best For: Startups needing predictable costs, projects with variable traffic patterns, and teams requiring rapid node deployment capabilities.
3. Dwellir – Best for Multi-Chain Projects with Transparent Pricing
Dwellir delivers enterprise-grade blockchain infrastructure with industry-leading pricing transparency and exceptional multi-chain coverage, supporting over 150 blockchain networks including robust Unichain integration.
Why Dwellir Deserves Attention:
Unlike many competitors that use confusing compute unit calculations, Dwellir employs a straightforward "1 Response = 1 Credit" pricing model. This transparency extends even to trace and debug methods, which typically cost significantly more with other providers. Their infrastructure spans global datacenters across four continents, ensuring low-latency access regardless of your application's geographic distribution.
Key Features:
- Support for 150+ blockchain networks for seamless multi-chain development
- Simple, transparent pricing without compute unit complexity
- Over 2,000 RPS capacity with 10x burst protection
- Both HTTPS and WebSocket support for Unichain mainnet
- Personal, direct support from technical experts
- Listed as an official Unichain node provider in the Unichain documentation
Pricing Structure:
Dwellir's Developer plan at $49/month provides 25 million requests at approximately $1.96 per million calls—among the most competitive rates in the industry. The Growth plan ($299/month for 150 million requests) and Scale plan ($999/month for 500 million requests) maintain consistent per-request pricing around $2.00 per million calls.
This pricing advantage becomes especially significant for high-volume applications. Where other providers might charge $10-20 per million eth_calls due to compute unit multipliers, Dwellir's transparent 1:1 model means you pay for exactly what you use. For a DeFi application making 100 million calls per month, this could represent savings of $800-1,800 monthly compared to compute unit-based competitors.
Best For: Multi-chain projects requiring consistent infrastructure across networks, developers frustrated with compute unit billing models, cost-conscious teams needing enterprise-grade reliability, and projects requiring responsive technical support.
4. Alchemy – Best for Developer Experience and Advanced Tooling
Alchemy has built its reputation on providing exceptional developer experience, comprehensive tooling, and reliability that has powered some of the largest dApps in the ecosystem.
Why Alchemy Leads in Developer Tools:
Alchemy offers an extensive suite of developer tools beyond basic RPC access, including advanced debugging capabilities, real-time webhooks, NFT APIs, and comprehensive monitoring dashboards. Their platform has powered major applications for over half a decade, demonstrating proven reliability at scale.
Key Features:
- 300 million compute units per month on free tier
- Advanced debugging and monitoring tools
- Real-time webhooks for event notifications
- Team collaboration features with granular access controls
- Support for 37+ blockchain networks
Pricing Structure:
Alchemy's free tier provides 300 million compute units monthly, suitable for most development and testing scenarios. Their pay-as-you-go pricing starts at $0.45 per million compute units at lower volumes, decreasing to $0.40 per million at higher tiers.
However, with eth_call requests consuming 26 compute units each, the effective cost is approximately $11.70-11.82 per million actual calls—positioning Alchemy in the premium pricing tier. This premium is justified by their extensive tooling ecosystem, which can significantly accelerate development velocity and reduce debugging time.
Best For: Development teams prioritizing comprehensive tooling, projects requiring advanced debugging capabilities, applications needing sophisticated monitoring and analytics, and teams willing to pay premium prices for superior developer experience.
5. dRPC – Best for Decentralized Infrastructure with MEV Protection
dRPC stands apart by offering truly decentralized RPC infrastructure that aggregates requests across a network of independent node operators, providing enhanced reliability and optional MEV protection.
Why dRPC's Decentralization Matters:
By leveraging a decentralized network of node operators rather than centralized infrastructure, dRPC eliminates single points of failure. Their AI-driven load-balancing system automatically routes requests to optimal endpoints, ensuring consistent performance even during network congestion.
Key Features:
- Decentralized infrastructure across 95+ blockchains
- AI-driven load balancing for optimal performance
- Up to 5,000 RPS on premium tiers
- Optional MEV protection for DeFi applications
- Enterprise-grade SLAs with guaranteed uptime
Pricing Structure:
dRPC offers a free plan with 40-250 RPS depending on network demand. Premium plans start at $299/month for 1 billion compute units, with eth_call consuming 20 compute units. This translates to approximately $5.98 per million calls—a competitive middle ground that balances affordability with their unique decentralized architecture.
At $0.30 per million compute units across all tiers, dRPC maintains consistent unit pricing as you scale, with the effective per-call rate holding steady around $6 per million regardless of volume.
Best For: DeFi protocols concerned about MEV attacks, projects requiring truly decentralized infrastructure, high-volume applications needing exceptional throughput, and teams seeking competitive pricing with specialized features.
6. Ankr – Best for Budget-Conscious Multi-Chain Development
Ankr provides affordable blockchain infrastructure with extensive multi-chain support, making it accessible for developers working across multiple networks without breaking the budget.
Why Ankr Offers Value:
Ankr operates a globally distributed network of nodes across 70+ blockchains, providing reliable access at competitive price points. Their platform emphasizes affordability while maintaining solid performance metrics, with premium plans supporting up to 1,500 RPS.
Key Features:
- Free public endpoints for testing and development
- Support for 70+ blockchain networks
- Up to 1,500 RPS on premium plans
- Comprehensive Web3 development hub with tools and resources
- Simple pay-as-you-go pricing model
Pricing Structure:
Ankr's pricing appears extremely attractive at $0.10 per million compute units—the lowest base rate among major providers. However, the critical detail is that each eth_call consumes 200 compute units, resulting in an effective cost of $20 per million actual calls. This makes Ankr the most expensive option on a per-call basis despite appearing cheapest at first glance.
For applications making heavy use of lighter endpoints (like eth_blockNumber or eth_getBalance which may consume fewer compute units), Ankr's model can provide value. However, for standard DeFi applications making frequent state queries, more transparent pricing models typically offer better value.
Best For: Projects requiring multi-chain support, applications with endpoint usage patterns that favor lighter calls, and teams prioritizing network coverage over cost efficiency for individual call types.
7. OnFinality – Best for Elastic Scaling with High Availability
OnFinality specializes in elastic API infrastructure designed to automatically scale with your application's demands while maintaining 99.99% uptime guarantees.
Why OnFinality Excels at Scaling:
OnFinality's elastic infrastructure automatically adjusts to traffic patterns, ensuring your application maintains consistent performance during both quiet periods and viral growth spurts. Their platform emphasizes reliability with comprehensive monitoring and proactive incident response.
Key Features:
- 99.99% uptime guarantee with proactive monitoring
- Elastic API that automatically scales with demand
- Real-time performance analytics and insights
- Support for Unichain mainnet with optimized routing
- Developer-friendly documentation and integration guides
Pricing Structure:
OnFinality's Growth plan starts at $49/month for 20 million compute units, with each request consuming 1 compute unit. This translates to approximately $2.45 per million calls—competitive with Chainstack and Dwellir's transparent pricing. Their Accelerate plan at $249/month provides 100 million requests at a similar effective rate.
OnFinality's straightforward 1:1 compute unit model (similar to Dwellir and Chainstack) makes cost forecasting considerably easier than providers using higher multipliers.
Best For: Applications expecting rapid growth, projects with unpredictable traffic patterns, teams requiring guaranteed high availability without managing infrastructure complexity, and developers seeking transparent per-request pricing.
Comprehensive Pricing Comparison: The Real Cost of RPC Calls
To help you make informed decisions, here's a comparison of effective costs per million eth_call requests across providers and plans:
| Provider | Plan | Monthly Cost | Effective Cost per 1M eth_calls | Pricing Model |
|---|---|---|---|---|
| Dwellir | Developer | $49 | $1.96 | Transparent (1:1) |
| Dwellir | Growth | $299 | $1.99 | Transparent (1:1) |
| Dwellir | Scale | $999 | $2.00 | Transparent (1:1) |
| OnFinality | Growth | $49 | $2.45 | Transparent (1:1) |
| Chainstack | Growth | $49 | $2.45 | Transparent (1:1) |
| Chainstack | Pro | $199 | $2.49 | Transparent (1:1) |
| OnFinality | Accelerate | $249 | $2.49 | Transparent (1:1) |
| dRPC | PAYG | $299 | $5.98 | Compute Units (20:1) |
| Alchemy | PAYG (Low) | $45 | $11.70 | Compute Units (26:1) |
| Alchemy | PAYG (High) | $2,000 | $8.00 | Compute Units (20:1) |
| QuickNode | Build | $49 | $12.25 | Compute Units (20:1) |
| QuickNode | Business | $999 | $9.99 | Compute Units (20:1) |
| GetBlock | Starter | $49 | $9.80 | Compute Units (10:1) |
| Ankr | PAYG | $50 | $20.00 | Compute Units (200:1) |
Key Insights:
-
Transparent pricing models (1:1 ratio) offer the best value: Dwellir, Chainstack, and OnFinality provide the most cost-effective options at $1.96-2.49 per million calls.
-
Compute unit multipliers significantly impact costs: Providers using 20:1 or 26:1 multipliers can cost 5-6x more per actual call than transparent pricing models.
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Volume doesn't always reduce costs: Some providers maintain consistent per-call pricing across tiers (Dwellir, dRPC, Ankr), while others offer volume discounts (QuickNode, Alchemy).
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Premium features justify premium pricing: QuickNode and Alchemy charge more but deliver enterprise SLAs, advanced tooling, and proven reliability.
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Beware of attractive base rates: Ankr's $0.10 per million compute units sounds excellent until you realize the 200:1 multiplier makes it the most expensive option.
How to Choose the Right Unichain RPC Provider for Your Project
Selecting the optimal RPC provider depends on several critical factors specific to your application's requirements:
Performance Requirements: For latency-sensitive applications like DEX interfaces or trading bots, prioritize providers with global infrastructure and guaranteed SLAs like QuickNode or Chainstack. If your application requires real-time event subscriptions, ensure your chosen provider offers robust WebSocket support.
Budget Considerations: Early-stage projects should leverage generous free tiers from providers like Alchemy or Chainstack to minimize initial costs. As you scale, consider transparent pricing models from Dwellir, OnFinality, or Chainstack to maintain predictable expenses. For high-volume applications (100M+ calls/month), Dwellir's $1.96-2.00 per million rate can save thousands monthly compared to compute unit-based competitors.
Cost Forecasting Accuracy: If your application's API usage will grow significantly, transparent 1:1 pricing models from Dwellir, Chainstack, or OnFinality make budgeting substantially easier than compute unit systems. The difference between $2/million and $12/million becomes dramatic at scale—a 100 million call application could cost $200/month vs $1,200/month.
Multi-Chain Strategy: If you're building across multiple blockchain networks, providers like Dwellir (150+ chains), Ankr (70+ chains), or dRPC (95+ chains) offer comprehensive coverage that simplifies infrastructure management across your entire ecosystem.
Infrastructure Philosophy: Teams concerned about centralization should consider dRPC's decentralized infrastructure approach. Those prioritizing developer experience and tooling should evaluate Alchemy's comprehensive suite. Projects requiring MEV protection should explore dRPC's specialized features.
Support Requirements: Evaluate the level of technical support you'll need. Dwellir emphasizes personal, direct support from technical experts, while larger providers like Alchemy and QuickNode offer extensive documentation and community resources.
Pricing Transparency: The variance in compute unit calculations (from 1:1 to 200:1 ratios) creates significant confusion when forecasting costs. Providers using straightforward per-request pricing eliminate this complexity—especially valuable as your application scales and accurate cost projections become critical for fundraising and profitability planning.
Additional Factors to Consider Beyond Price
While cost is crucial, several other factors significantly impact your long-term success with an RPC provider:
Geographic Distribution: Ensure your provider has infrastructure in regions where your users are concentrated. Global applications benefit from providers like QuickNode or Dwellir with multi-continent presence.
Debug and Trace Methods: These specialized calls are essential for development but often cost significantly more. Dwellir's transparent pricing extends to these methods, while many compute unit-based providers charge 2-10x more for trace calls.
Rate Limiting Philosophy: Understand how providers handle burst traffic. Some throttle aggressively at plan limits, while others (like Dwellir with 10x burst protection) allow temporary spikes without degradation.
Historical Data Access: If your application needs to query historical blockchain states, verify your provider offers archive node access and understand associated costs.
Monitoring and Analytics: Built-in dashboards and alerting can significantly reduce operational overhead. Alchemy and QuickNode excel here, though this capability justifies their premium pricing.
Key Takeaways for Unichain Development Success
Unichain represents a transformative opportunity for DeFi development with its dramatically reduced costs and improved performance compared to Ethereum L1. However, realizing this potential requires partnering with the right infrastructure provider.
Production applications should never rely on public RPC endpoints, which typically have severe rate limits and provide no reliability guarantees. Instead, invest in dedicated infrastructure from reputable providers that align with your specific requirements.
Understand true costs before committing. A provider advertising $0.10 per million compute units might actually cost $20 per million real calls due to multipliers, while one charging $2.00 per million requests gives you exactly what you pay for. For high-volume applications, this difference can represent thousands in monthly savings or overages.
Test multiple providers during development to identify which offers the best latency for your target geographic markets. Many providers offer generous free tiers that enable thorough evaluation before committing to paid plans.
Consider your long-term scaling trajectory when selecting a provider. While cost is important initially, factors like support quality, monitoring capabilities, and infrastructure reliability become increasingly critical as your application grows and serves real users with real assets.
The Unichain ecosystem is evolving rapidly, with new features and optimizations being released regularly. Choose a provider that demonstrates commitment to staying current with protocol upgrades and maintains active participation in the Unichain development community.
For most DeFi applications, the combination of transparent pricing, competitive rates, and comprehensive multi-chain support makes providers like Dwellir, Chainstack, or OnFinality excellent choices. Teams requiring premium tooling and proven enterprise reliability should consider QuickNode or Alchemy despite higher costs. Projects prioritizing decentralization or MEV protection should evaluate dRPC's specialized features.
By carefully evaluating your requirements against these top Unichain RPC providers—and understanding the real costs hidden behind compute unit calculations—you can establish the reliable, performant infrastructure foundation necessary for building successful DeFi applications that capitalize on Unichain's revolutionary capabilities.
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- Contact: Get in touch
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References
This content is for informational purposes only and does not constitute financial or investment advice. Always conduct your own research when selecting infrastructure providers.