Bottleneck
Rate limiter that makes throttling easy for API calls and tasks.
Pricing
See website
Flat rate
Adoption
→StableLicense
Open Source
Data freshness
—Overview
What is Bottleneck?
Bottleneck is a rate-limiting library designed to simplify the process of throttling API requests or any task. It helps prevent overloading services by controlling the frequency at which actions are executed, ensuring smooth operation under high load conditions.
Key differentiator
“Bottleneck stands out as a lightweight yet powerful library for managing task execution rates, offering developers an easy-to-use solution for implementing effective rate limiting without the need for complex configurations or additional services.”
Capability profile
Strength Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
Fit analysis
Who is it for?
✓ Best for
Developers needing to manage high-frequency operations without overwhelming backend systems.
Projects requiring precise control over API request rates to avoid hitting rate limits or service outages.
✕ Not a fit for
Scenarios where real-time processing is critical and cannot tolerate any delay due to throttling.
Use cases that require complex, adaptive rate-limiting strategies beyond simple frequency controls.
Cost structure
Pricing
Free Tier
None
Starts at
See website
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Next step
Get Started with Bottleneck
Step-by-step setup guide with code examples and common gotchas.