OpenTelemetry Has a Free API — Observability Standard for Every App

OpenTelemetry is the open standard for traces, metrics, and logs. It is vendor-neutral, supported by every major observability platform, and backed by CNCF. What Is OpenTelemetry? OpenTelemetry (OTel) provides a single set of APIs, SDKs, and tools to instrument your applications. Collect telemetry once, send it anywhere. Features: Traces, metrics, and logs Auto-instrumentation for 10+ languages Vendor-neutral (works with Jaeger, Grafana, Datadog, etc.) CNCF graduated project Free and open source Quick Start (Node.js) npm install @opentelemetry/sdk-node @opentelemetry/auto-instrumentations-node const { NodeSDK } = require ( " @opentelemetry/sdk-node " ); const { getNodeAutoInstrumentations } = require ( " @opentelemetry/auto-instrumentations-node " ); const sdk = new NodeSDK ({ instrumentations : [ getNodeAutoInstrumentations ()] }); sdk . start (); // Your Express/Fastify app is now auto-instrumented! Python Auto-Instrumentation pip install opentelemetry-distro opentelemetry-exporter-o