Valvelet
Limit the execution rate of promise-returning functions.
Pricing
Free tier
Flat rate
Adoption
↘CoolingLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is Valvelet?
Valvelet is a utility that allows developers to control and limit the execution rate of asynchronous functions, ensuring they do not exceed specified limits. This helps in managing resource usage and preventing overloading.
Key differentiator
“Valvelet stands out as a lightweight and easy-to-integrate solution specifically designed to manage the rate of promise-returning function executions in JavaScript projects.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
Valvelet is primarily designed for JavaScript and lacks native support for other languages, limiting its utility in polyglot development environments.
The official documentation lacks detailed examples and troubleshooting guides, making it difficult for developers to fully understand and utilize Valvelet's features.
Integrating Valvelet into existing projects requires significant configuration and may involve modifying multiple parts of the codebase, increasing development time.
Fit analysis
Who is it for?
✓ Best for
Developers working on JavaScript projects who need to control function execution rates.
Teams building web applications that require rate limiting for API calls or background tasks.
✕ Not a fit for
Projects requiring real-time processing without any delay.
Applications where the overhead of managing execution rates is not acceptable.
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
Integrations
Next step
Get Started with Valvelet
Step-by-step setup guide with code examples and common gotchas.