APILensAPILens

APILens vs Datadog

API monitoring without the
$23/host/month bill

Datadog is built for enterprises with dedicated DevOps teams. APILens is built for developers who want instant visibility into their Express or Fastify API — with one line of code.

FeatureAPILensDatadog
Setup time60 seconds30+ minutes
Lines of code120+
Dependencies050+
Agent required
YAML config
Auto DB profiling8 librariesCustom setup
N+1 query detection
Distributed tracing
Error tracking
Latency percentiles
Real-time dashboard
Live request tail
Geographic insights
Bot detection
Self-hosted option
Open source package
Free tierFree during beta14-day trial
Price$0$23/host/month

Choose APILens if:

  • You want monitoring in under 60 seconds
  • You use Express or Fastify
  • You want auto DB profiling without code changes
  • You don't want to pay $23/host/month for a side project
  • You want zero dependencies in your production app

Choose Datadog if:

  • You need infrastructure monitoring (servers, containers, k8s)
  • You have a dedicated DevOps team
  • You need to monitor non-Node.js services
  • Budget is not a concern
  • You need log aggregation across all services

Switch in 60 seconds

$ npm install auto-api-observe
// app.use(observe({ apiKey: 'sk_...' }))

No credit card. No agent install. Works in 60 seconds.