rpc-websockets
JSON-RPC 2.0 implementation over WebSockets for efficient communication.
Pricing
Free tier
Flat rate
Adoption
→StableLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is rpc-websockets?
RPC-WebSockets provides a robust JSON-RPC 2.0 implementation over WebSockets, enabling developers to build scalable and efficient real-time applications with ease.
Key differentiator
“RPC-WebSockets stands out by providing a straightforward and efficient way to implement JSON-RPC over WebSockets, making it ideal for developers looking to enhance their WebSocket-based applications with robust communication protocols.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
Primary development and community support are focused on JavaScript, with limited official support for other languages.
Configuring advanced features such as authentication, error handling, and connection management can be complex without extensive documentation or examples.
Tests show significant latency increases when handling more than 100 concurrent connections, which may limit scalability for larger applications.
The official documentation lacks depth on complex topics such as custom middleware or integrating with other WebSocket libraries.
Fit analysis
Who is it for?
✓ Best for
Developers building real-time applications that require efficient and reliable communication over WebSockets.
Projects needing a robust JSON-RPC implementation for WebSocket-based services.
✕ Not a fit for
Applications requiring complex data streaming beyond simple request-response patterns
Scenarios where the overhead of JSON-RPC is not justified
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Next step
Get Started with rpc-websockets
Step-by-step setup guide with code examples and common gotchas.