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The Ultimate Guide to API Monitoring in 2025 - Metrics, Tools, and Proven Practices

According to Akamai, 83% of web traffic is through APIs. Microservices, servers, and clients constantly communicate to exchange information. Even the Google search you made to reach this article involved your browser client calling Google APIs. Given APIs govern the internet, businesses rely on them heavily. API health is directly proportional to business prosperity. This article covers everything about API monitoring, so your API infrastructure’s health is always in check .

Monitoring your Express application using OpenTelemetry

Nodejs is a popular Javascript runtime environment that executes Javascript code outside of a web browser. Express is the most popular web frameworks that sits on top of Nodejs and adds functionalities like middleware, routing, etc. to Nodejs. You can monitor your express application using OpenTelemetry and a tracing backend of your choice.

Implementing OpenTelemetry in a Rust application for performance monitoring

OpenTelemetry can be used to trace Rust applications for performance issues and bugs. OpenTelemetry is an open-source project under the Cloud Native Computing Foundation (CNCF) that aims to standardize the generation and collection of telemetry data. Telemetry data includes logs, metrics, and traces. Rust is a multi-paradigm, general-purpose programming language designed for performance and safety, especially safe concurrency.

Out of box Infrastructure Monitoring native to OpenTelemetry

Infrastructure monitoring module based on OpenTelemetry This is our first release with infra monitoring module and we have added support for: In roadmap If you need any clarification or find something missing, feel free to raise a GitHub issue with the label documentation or reach out to us at the community slack channel.

Implementing OpenTelemetry in Angular - A Practical Guide

Angular applications often grow in complexity, making it challenging to monitor performance and troubleshoot issues effectively. Enter OpenTelemetry: a powerful, vendor-neutral framework for telemetry collection. This guide will walk you through implementing OpenTelemetry in your Angular projects, enhancing your ability to observe and optimize your applications.

SigNoz - Open-source alternative to New Relic

If you're looking for an open-source alternative to New Relic, then you're at the right place. SigNoz is a perfect open-source alternative to New Relic. SigNoz provides a unified UI for metrics, traces and logs with advanced tagging and filtering capabilities. In today's digital economy, more and more companies are shifting to cloud-native and microservice architecture to support global scale and distributed teams.

Latest top 17 API monitoring tools [open-source included]

Choosing the right API monitoring tool is critical. How do you know which is the right API monitoring tool for you? Here are the top 17 API monitoring tools, including open source tools for API performance monitoring. In this article, we will review the top 17 API monitoring tools which you can use for monitoring your APIs. But first, let’s have a brief overview of APIs.

SigNoz - Open-Source Alternative to DataDog

More and more companies are now shifting to a cloud-native & microservices-based architecture. Having an application monitoring tool is critical in this world because you can’t just log into a machine and figure out what’s going wrong. We have spent years learning about application monitoring & observability. What are the key features an observability tool should have to enable fast resolution of issues. In our opinion, good observability tools should have.

Rich Logs Collector for Docker Compose Services with SigNoz

Our production services run on a Linux machine using Docker Compose, keeping our infrastructure simple and manageable. Docker Compose allows us to easily define and manage multi-container applications, providing a straightforward way to orchestrate services, which helps reduce complexity in our infrastructure. Recently, we decided to switch to SigNoz to gain more flexibility and control over our observability stack. Following the SigNoz setup guide, we used logspout to collect and forward logs.

Why DataDog Pricing is so Complex - See Plans, Estimate Costs, and Optimize

Datadog is a popular observability platform, but understanding its pricing structure can be challenging. Whether you're just starting with Datadog or are receiving hefty bills, this guide will help you understand its pricing model, estimate your potential costs, and find ways to optimize them. You can use the below tool to estimate your Datadog bill.