# Prometheus Blackbox Exporter vs Uptime Kuma

**Leader by vioscaleAI score:** Uptime Kuma

| Attribute | Prometheus Blackbox Exporter | Uptime Kuma |
|---|---|---|
| **vioscaleAI score** | 39.8 (53% (medium)) | 49.9 (52% (medium)) |
| activity.commits_last_30d | 22 | 54 |
| adoption.dependent_repos | 17 | 2 |
| adoption.github_stars | 5,896 | 92,397 |
| content.faq | `[{"answer":"An open-source exporter for Prometheus that monitors the health and responsiveness of network services by sending test requests over HTTP, HTTPS, DNS, TCP, ICMP, and gRPC protocols. Results are exposed as metrics for collection by Prometheus. It is indexed under API Monitoring.","source":"https://github.com/pricing","question":"What is Prometheus Blackbox Exporter?","confidence":0.6},{"answer":"Prometheus Blackbox Exporter is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://github.com/pricing","question":"Is Prometheus Blackbox Exporter free to use?","confidence":0.6},{"answer":"Prometheus Blackbox Exporter supports Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://github.com/pricing","question":"What platforms does Prometheus Blackbox Exporter support?","confidence":0.6},{"answer":"Yes. Prometheus Blackbox Exporter can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://github.com/pricing","question":"Can Prometheus Blackbox Exporter be self-hosted?","confidence":0.6},{"answer":"Yes. Prometheus Blackbox Exporter is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/prometheus/blackbox_exporter","question":"Is Prometheus Blackbox Exporter open source?","confidence":0.95}]` | `[{"answer":"An open-source application for monitoring website uptime and checking service health. Designed to be deployed on your own infrastructure via Docker or traditional server setups. It is indexed under API Monitoring.","source":"https://uptime.kuma.pet","question":"What is Uptime Kuma?","confidence":0.6},{"answer":"Uptime Kuma is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://uptime.kuma.pet","question":"Is Uptime Kuma free to use?","confidence":0.6},{"answer":"Yes. Uptime Kuma can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://uptime.kuma.pet","question":"Can Uptime Kuma be self-hosted?","confidence":0.6},{"answer":"Yes. Uptime Kuma is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/louislam/uptime-kuma","question":"Is Uptime Kuma open source?","confidence":0.95}]` |
| deployment.options | `{"self_hosted":true}` | `{"on_prem":true,"self_hosted":true}` |
| description.long | Blackbox Exporter performs endpoint verification using HTTP, HTTPS, DNS, TCP, ICMP, and gRPC protocols, exposing probe results as metrics for integration with Prometheus monitoring systems. It supports TLS authentication, configuration-based operation, and can be deployed via Docker containers or standalone binaries. | A self-hosted monitoring solution that tracks the availability of websites and services across multiple protocols and endpoints, with flexible alerting through numerous notification channels. |
| features.capabilities | `{"self_hostable":true,"monitoring_as_code":true}` | `{"self_hostable":true,"status_page_hosting":true,"json_schema_assertions":true}` |
| integrations.count | 1 | 6 |
| integrations.list | `[{"name":"Prometheus"}]` | `[{"name":"Slack","native":true},{"name":"Telegram","native":true},{"name":"Discord","native":true},{"name":"Gotify","native":true},{"name":"Pushover","native":true},{"name":"Email","native":true}]` |
| language.primary | Go | JavaScript |
| license.spdx | Apache-2.0 | MIT |
| platform.support | `{"cli":true,"linux":true,"windows":true}` | `{"web":true,"linux":true,"windows":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://github.com/pricing","retrievedAt":"2026-10-14T21:35:23.770Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://uptime.kuma.pet","retrievedAt":"2026-08-18T12:21:28.490Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | - |
| release.cadence_days | 123 | 8 |
| release.history | `[{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.29.0","date":"2026-10-07T09:40:56Z","type":"stable","version":"v0.29.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.28.0","date":"2025-12-06T13:32:18Z","type":"stable","version":"v0.28.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.27.0","date":"2025-06-30T13:45:33Z","type":"stable","version":"v0.27.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.26.0","date":"2025-02-26T13:51:24Z","type":"stable","version":"v0.26.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.25.0","date":"2024-04-09T13:30:07Z","type":"stable","version":"v0.25.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.24.0","date":"2023-05-16T11:23:32Z","type":"stable","version":"v0.24.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.23.0","date":"2022-12-02T20:59:12Z","type":"stable","version":"v0.23.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.22.0","date":"2022-08-02T14:26:18Z","type":"stable","version":"v0.22.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.21.1","date":"2022-06-23T16:09:59Z","type":"stable","version":"v0.21.1"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.21.0","date":"2022-05-30T15:06:39Z","type":"stable","version":"v0.21.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.21.0-rc.0","date":"2022-05-11T11:14:26Z","type":"prerelease","version":"v0.21.0-rc.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.20.0","date":"2022-03-16T23:52:31Z","type":"stable","version":"v0.20.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.20.0-rc.0","date":"2022-02-17T20:34:32Z","type":"prerelease","version":"v0.20.0-rc.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.19.0","date":"2021-05-10T13:18:25Z","type":"stable","version":"v0.19.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.18.0","date":"2020-10-12T10:13:15Z","type":"stable","version":"v0.18.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.17.0","date":"2020-06-19T12:14:41Z","type":"stable","version":"v0.17.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.16.0","date":"2019-11-11T18:16:56Z","type":"stable","version":"v0.16.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.15.1","date":"2019-09-17T12:52:04Z","type":"stable","version":"v0.15.1"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.15.0","date":"2019-09-11T13:09:12Z","type":"stable","version":"v0.15.0"},{"url":"https://github.com/prometheus/blackbox_exporter/releases/tag/v0.14.0","date":"2019-03-15T13:49:41Z","type":"stable","version":"v0.14.0"}]` | `[{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.5.6","date":"2026-10-09T15:46:26Z","type":"stable","version":"2.5.6"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.5.5","date":"2026-09-16T13:31:07Z","type":"stable","version":"2.5.5"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.5.4","date":"2026-09-11T10:09:10Z","type":"stable","version":"2.5.4"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.5.3","date":"2026-08-22T09:20:48Z","type":"stable","version":"2.5.3"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.5.2","date":"2026-08-22T08:44:26Z","type":"stable","version":"2.5.2"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.5.1","date":"2026-08-22T06:50:57Z","type":"stable","version":"2.5.1"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.5.0","date":"2026-08-01T16:35:53Z","type":"stable","version":"2.5.0"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.4.0","date":"2026-05-31T00:55:12Z","type":"stable","version":"2.4.0"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.3.2","date":"2026-05-03T16:15:29Z","type":"stable","version":"2.3.2"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.3.1","date":"2026-05-03T13:40:11Z","type":"stable","version":"2.3.1"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.3.0","date":"2026-05-01T04:01:17Z","type":"stable","version":"2.3.0"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.2.1","date":"2026-03-10T02:25:33Z","type":"stable","version":"2.2.1"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.2.0","date":"2026-03-05T02:08:14Z","type":"stable","version":"2.2.0"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.1.3","date":"2026-02-19T05:37:30Z","type":"stable","version":"2.1.3"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.1.2","date":"2026-02-19T05:09:11Z","type":"stable","version":"2.1.2"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.1.1","date":"2026-02-13T16:07:33Z","type":"stable","version":"2.1.1"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.1.0","date":"2026-02-07T02:31:49Z","type":"stable","version":"2.1.0"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.1.0-beta.3","date":"2026-01-22T13:01:00Z","type":"prerelease","version":"2.1.0-beta.3"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.1.0-beta.2","date":"2026-01-14T02:45:36Z","type":"prerelease","version":"2.1.0-beta.2"},{"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.1.0-beta.1","date":"2026-01-05T02:02:30Z","type":"prerelease","version":"2.1.0-beta.1"}]` |
| security.scorecard | 6.9 | - |
| security.trust_center | https://github.com/security | - |
| security.vulnerabilities | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fprometheus%2Fblackbox_exporter&per_page=100","last_12m":0,"max_severity":"HIGH"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Flouislam%2Fuptime-kuma&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (API Monitoring)

| Capability | Prometheus Blackbox Exporter | Uptime Kuma |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Multi region probes | - | - |
| Private location agent | - | - |
| Status page hosting | - | ✓ |
| Json schema assertions | - | ✓ |
| Monitoring as code | ✓ | - |
| Multistep API flows | - | - |
| Heartbeat deadmans switch | - | - |
| Self hostable | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T19:29:49.889Z. "-" = undocumented, not absent.*