Error Tracking · Reviewed 20 Oct 2026

Bugsink

Self-hosted or managed error tracking compatible with Sentry SDKs.

from $16 · free tier · bugsink.com ↗

Paid against free › Error Tracking › Bugsink

Bugsink at a glance

Overview

01

Summary

The useful answer before the supporting detail.

Bugsink is an error tracking tool for applications, compatible with Sentry SDKs S7. It is used by developers to monitor and debug errors in their software, with both managed and self-hosted deployment options S1. The main practical value is a lightweight, predictable-cost alternative to Sentry, with no per-event billing on self-hosted plans S40.

02

Product identity and positioning

Name, category, positioning, audience, and first-party claims.

  • Identity: Bugsink is an error tracking product by a solo founder, Klaas S1.
  • Core purpose: It helps developers find and fix errors in their applications S7.
  • Intended users: Developers and teams who need error monitoring S164.
  • Product scope: A single error tracking application, not a platform, with managed and self-hosted versions S1.
  • Positioning: Positioned as a lightweight, simpler alternative to Sentry S40.
  • Claimed distinction: Claims to be more lightweight and less complicated than Sentry, with ARM compatibility S40.
03

Use cases and audiences

Who the product serves and the jobs it is designed to handle.

AudiencePractical use case
Individual developersTrack errors in personal projects with a free plan S164.
TeamsMonitor application errors and receive alerts in chat tools S11.
BusinessesSelf-host error tracking on own infrastructure for data control S1.
High-volume usersHandle millions of events with predictable pricing S40.

Features

04

Features and capabilities

Core functions and evidence-backed product capabilities.

CapabilityWhat it does
Error trackingCollects errors, stacktraces, and debugging information from applications S7.
Sentry SDK compatibilityWorks with Sentry SDKs by updating the DSN, enabling drop-in integration S40.
AlertingSends alerts for new, regressed, and unmuted issues via email, Slack, Discord, Mattermost, Teams, Telegram, or webhooks S11.
Custom webhooksSends JSON payloads of issues to user-defined HTTP endpoints S16.
Self-hostingCan be deployed on own infrastructure using Docker S40.
APIProvides a REST API for accessing issue data S7.
05

Integrations and ecosystem

Connected products, exports, APIs, and workflow compatibility.

Integration or interfaceTypeWhat it enables
Sentry SDKsIntegrationAllows existing Sentry SDKs to send errors to Bugsink by changing the DSN S40.
SlackIntegrationSends issue alerts to Slack channels via incoming webhooks S25.
DiscordIntegrationSends issue alerts to Discord channels via incoming webhooks S19.
MattermostIntegrationSends alerts to Mattermost via incoming webhooks S20.
Microsoft TeamsIntegrationSends alerts to Teams channels or chats via Workflow webhooks S22.
TelegramIntegrationSends alerts to Telegram chats, groups, or channels via bot API S28.
Custom webhookWebhookSends JSON payloads of issues to user-defined HTTP endpoints S16.
REST APIAPIProvides programmatic access to issue data S7.

Pricing

06

Pricing and plans

Published plans, free access, trials, credits, and pricing limitations.

Plan or offerVerified price and billingIncludedLimits
15K (Free)Free S14015K events per month S140One user, one team S140
75K$16 per month, billed monthly S14075K events per month S140Unlimited users and teams S140
600K$50 per month, billed monthly S140600K events per month S140Unlimited users and teams S140
3M$158 per month, billed monthly S1403M events per month S140Unlimited users and teams S140
15M$568 per month, billed monthly S14015M events per month S140Unlimited users and teams S140
50M$1,288 per month, billed monthly S14050M events per month S140Higher volumes on request S140

Trust and proof

07

Customers, proof, and reviews

Published proof, customer signals, and review evidence.

Independent reviews

PlatformPageHow it was foundNote
bugsink.comBugsink: Self-hosted Error TrackingGrounded web search: Self-hosted Error Tracking # Self-hosted Error Tracking GitHub 2.1K★ ... ### Loved by Developers 1400+ teams use Bugsink every week Hosted Bugsink has worked very well: low cost, easy setup, and overall, a solid European alternative to Sentry.

Customer proof

No named customers, testimonials, or customer case studies were found.

Independent mentions

  • Show HN: Bugsink – Self-Hosted Error Tracking / Hacker News — I built Bugsink because I wanted error tracking I could run myself, without maintaining a complex stack. It runs with pip install or a single Docker container, stores events locally (SQLite, MySQL, or Postgres), and is easy to run and keep running. ... It’s API compatible with the Sentry SDKs, so you can keep your existing client setup. Bugsink focuses on error tracking only and is fast enough to process millions of events per day on modest hardware. ... * It's certainly production-ready; the in
  • Track Errors First / Hacker News — webhooks and displays the information in a logical, sparse and easily digestible ... Bugsink looks nice and straight forward, and if anything other than email - the absolute worst medium for notifications - lands in there I'll probably make the switch
  • bugsink/bugsink — - Stars: 1899 - Forks: 109 - Watchers: 1899 - Open issues: 131 - License: Other - Homepage: https://www.bugsink.com/ ... # Bugsink: Self-hosted Error Tracking * Error Tracking * Built to self-host * Sentry-SDK compatible * Scalable and reliable
  • bugsink v2.6.1 — # bugsink v2.6.1 Self-hosted Error Tracking - Author email: "Bugsink B.V." - Python: >=3.10 - Package URL: https://pypi.org/project/bugsink/ ... * Error Tracking * Built to self-host * Sentry-SDK compatible * Scalable and reliable
  • bugsink — # bugsink ... - Login: bugsink - Public repos: 18 - Followers: 15 - Created: 2023-11-13T20:14:38Z ... - bugsink/bugsink - Self-hosted Error Tracking (2117 stars) - bugsink/snappea - A simple alternative for celery that doesn't require a broker. (27 stars) - bugsink/monofy - Multiple Processes in a Single Docker Container (19 stars) - bugsink/helm-charts - Bugsink Helm Charts (12 stars) - bugsink/verbose_csrf_middleware - Django CSRF middleware, but verbose (5 stars) - bugsink/django-tailwind - D
  • Does It Scale (Down)? / Hacker News — "Now that you’re here: Bugsink is a self-hosted, open-source alternative to services like Sentry. It’s built to be easy to use and easy to self ... control over your data by running Bugsink on servers that you own or rent yourself
  • GlitchTip vs. Sentry vs. Bugsink — The error is easier to read, the hosted plans remain ... version is a small application rather than an infrastructure project. It keeps the parts I valued in the older Sentry experience and resists turning them into one tab in a much larger product.

External links were grounded in one live web search. Search snippets are leads, not independently scraped page content; rejected links remain available in Review evidence.

08

Company, security, and trust

Ownership, policies, security signals, and public trust evidence.

SignalFindingSource
Company and ownershipI’m Klaas, the solo founder and developer of Bugsink. Bugsink started when I tried to self-host Sentry for a colleague and realized it was more trouble than it was worth. I built Bugsink as a simpler alternative focusedsource
Contact and supportHigher volume Contact ussource
Legal and privacy/ Data location / EU (GDPR-friendly) / Your infrastructure /source
Security and complianceAn Enterprise Edition could include things like LDAP/SSO, advanced reporting, or compliance-specific tools – features that are more relevant to larger businesses. Think of it as “where the boring features go.”source
Uptime and status pageNot published on the collected pages.—
Domain registered2023-11-05—
Domain expires2026-11-05—

Not found on the collected pages: uptime and status page. This only means Scout did not find it on the pages it read; it says nothing about the company itself.

09

Documentation and product updates

Help resources, product guidance, and visible changes over time.

Resource or updateTypeWhat is availableDate or freshness
Bugsink documentationDocumentationDocumentation for getting started with Bugsink, connecting your applications, using error tracking features, and self-hosting. (source)Not dated
Contact and supportSupportPublic contact and support channel. (source)Not dated
Bugsink Alerts: Email, Slack, Discord, and MoreDocumentationConfigure Bugsink alerts for new, regressed, and unmuted issues using email, Slack, Mattermost, Discord, Teams, Telegram, or webhooks. (source)Not dated
Custom Alert Webhooks in BugsinkDocumentationSend Bugsink alerts as JSON to your own HTTP endpoint, using issue API fields plus the issue title, project, URL, and alert reason. (source)Not dated
Discord Alerts in BugsinkDocumentationSend Bugsink issue alerts to a Discord channel using a Discord incoming webhook, then test delivery from the project alert settings. (source)Not dated
Mattermost Alerts in BugsinkDocumentationSend Bugsink alerts to Mattermost using an incoming webhook, with an optional channel override for channels or direct messages. (source)Not dated
Microsoft Teams Alerts in BugsinkDocumentationSend Bugsink alerts to Microsoft Teams using a Teams incoming-webhook Workflow and an Adaptive Card for each issue notification. (source)Not dated
Slack Alerts in BugsinkDocumentationSend Bugsink alerts to Slack with an incoming webhook. Create the Slack webhook, connect it to a project, and test the integration. (source)Not dated

Not found in the collected public sources: public roadmap, changelog or release notes, status page, separate help center or knowledge base.

Technical

10

Technical and delivery signals

Delivery model, platforms, API, data ownership, reliability claims and release activity.

SignalFindingSource
Delivery model (cloud, self-hosted, desktop, browser extension)Offered as managed cloud service or self-hosted on own infrastructure S1.S1
Platforms and appsWeb-based application; self-hosted via Docker S40.S40
API and extensibility (API, SDK, webhooks, MCP, plugins)Provides REST API S7 and custom webhooks S16.S7 S16
Data ownership and exportSelf-hosted option gives full control over data S1.S1
Performance and reliability claimsClaims to handle millions of events with no per-event billing S40.S40
Release activityNot published on the collected pages.—
11

Measured infrastructure

Domain, certificate, and hosting signals, measured directly.

SignalFinding
Domain registered2023-11-05 — Key-Systems GmbH
Domain expires2026-11-05
First archived2021-12-17 — web archive
TLS certificateLet's Encrypt, valid, expires 2027-01-10
Security headersHSTS, X-Content-Type-Options, X-Frame-Options, Referrer-Policy
Headers not servedCSP
Server headernginx
Mail handled bymx1.improvmx.com, mx2.improvmx.com
Nameserversns2.transip.eu, ns0.transip.net

Limits and method

12

Limitations and open questions

Known constraints and missing evidence from the collected pages.

The collected pages do not mention specific limitations or gaps. Pricing details for higher volumes are only available on request S40. The free plan retains only 5,000 events S150. No competitor names are mentioned except Sentry, which is referenced for comparison S40.

13

Sources, method, and limitations

Evidence inventory, collection method, provider use, and constraints.

This report is based on 15 collected pages from bugsink.com, including the homepage, documentation, and blog posts. The evidence catalog includes 15 pages, with 8 rendered via browser rendering. External proof search was performed but no external reviews or ratings were collected. The report relies on first-party sources only.

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