Monitor API Errors in Go

Catch production errors before users report them

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The problem

Errors in your Go production app are inevitable, but finding out from angry users is not. The typical flow is frustrating: a customer emails support, support asks engineering, engineering digs through logs, and by the time you understand the issue, it has been affecting users for hours.

Error monitoring tools exist, but they often drown you in noise. Every 404, every validation error, every expected exception in your handlers gets logged with the same priority as actual problems. You end up ignoring alerts entirely.

What you need is not more error data. You need the right errors, in context, delivered to the people who can fix them.

The solution

Quicklog lets you track the errors that matter in your Go app. Unexpected exceptions. Failed external calls. Business logic violations. You define what counts as an error worth knowing about.

Include context that helps debugging: the user affected, the request parameters, the state of the system. With a simple HTTP call and a tracking call in your handlers, when an error appears in your feed, you have everything needed to understand and fix it.

Route different errors to different channels. Critical payment errors go to one place. Minor UI issues go to another. Your Go team can triage effectively instead of fighting through noise.

Why monitor this?

Know about errors before users report them
See the context needed to debug quickly
Route errors to the right team members

Quick setup

Add tracking to your Go app:

package main

import (
    "bytes"
    "encoding/json"
    "net/http"
    "os"
)

// Using Quicklog REST API

// Monitor API Errors
func trackEvent(user User) error {
    body, _ := json.Marshal(map[string]interface{}{
        "channel":     "errors",
        "event":       "api.error",
        "description": "Describe what happened",
        "user": map[string]interface{}{
            "id":    user.ID,
            "email": user.Email,
            "name":  user.Name,
        },
        "metadata": map[string]interface{}{
            // Add relevant context here
        },
    })

    req, _ := http.NewRequest(
        "POST",
        "https://api.quicklog.io/v1/events",
        bytes.NewBuffer(body),
    )
    req.Header.Set("Authorization", "Bearer "+os.Getenv("QUICKLOG_API_KEY"))
    req.Header.Set("Content-Type", "application/json")

    _, err := http.DefaultClient.Do(req)
    return err
}

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