ExpressOpenJS Foundation
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Related Products
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About
Express is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications. With a myriad of HTTP utility methods and middleware at your disposal, creating a robust API is quick and easy. Express provides a thin layer of fundamental web application features, without obscuring Node.js features that you know and love. Express has no notion of a database. This concept is left up to third-party Node modules, allowing you to interface with nearly any database. In Express, 404 responses are not the result of an error, so the error-handler middleware will not capture them. This behavior is because a 404 response simply indicates the absence of additional work to do; in other words, Express has executed all middleware functions and routes, and found that none of them responded.
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About
ReqKey adds API key authentication, usage credits, rate limiting and request analytics to an API you own. Your own middleware makes a single verify call per incoming request: ReqKey validates the caller’s key, deducts a credit from that consumer’s pool, enforces their rate limit, and records the request with status code, latency and location. It never sits in front of your API — no proxy, no gateway, no DNS change — so it adds no hop to your critical path. Validation averages under 5ms. Credits pool per consumer rather than per key, so issuing a customer a second key does not hand them a second quota, and balances stay synced across regions. Also included: shadow limits, controlled overage, reusable plans, low-credit alerts, and per-request logs filterable by endpoint, status, consumer and time range. ReqKey meters and tracks usage — you keep your own billing stack. SDKs for Python, Node.js, Go, Rust, PHP, .NET and Java, with framework adapters for FastAPI, Express, Django, and more.
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Development Framework solution for developing teams
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Audience
Software teams and SaaS companies that expose a public, partner-facing or customer-facing API and need to authenticate API keys, meter usage per customer, enforce rate limits and monitor API traffic.
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
Free
Free Version
Supported
Free Trial
Not Supported
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Pricing
$0 (free tier), $25/month Pro
Free tier; paid plans from $25/mo for 500K requests, with lower per-request pricing at higher volumes.
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Supported
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Company InformationOpenJS Foundation
Founded: 2019
expressjs.com
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Company InformationReqKey
Founded: 2026
www.reqkey.com
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Alternatives |
Alternatives |
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Categories |
Categories |
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API Management Features
Access Control
Supported
Analytics
Supported
API Design
Not Supported
API Lifecycle Management
Supported
Dashboard
Supported
Developer Portal
Supported
Testing Management
Not Supported
Threat Protection
Not Supported
Traffic Control
Supported
Version Control
Not Supported
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Integrations
Node.js
Supported
AppSignal
Supported
Better Auth
Supported
Cloud 66
Supported
CoreIDE
Supported
DryRun Security
Supported
Go
Not Supported
Java
Not Supported
JavaScript
Supported
Line0
Supported
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Integrations
Node.js
Supported
AppSignal
Not Supported
Better Auth
Not Supported
Cloud 66
Not Supported
CoreIDE
Not Supported
DryRun Security
Not Supported
Go
Supported
Java
Supported
JavaScript
Not Supported
Line0
Not Supported
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