# Checkly vs Prometheus Blackbox Exporter

**Leader by Vioscale score:** Checkly

| Attribute | Checkly | Prometheus Blackbox Exporter |
|---|---|---|
| **Vioscale score** | 63.8 (76% (high)) | 47.2 (55% (medium)) |
| activity.commits_last_30d | - | 13 |
| adoption.dependent_repos | - | 17 |
| adoption.github_stars | - | 5,841 |
| deployment.options | `{"cloud":true,"hybrid":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | A code-first monitoring platform that runs continuous uptime checks, API tests, and browser-based workflows from multiple global locations to detect outages and performance issues. Sends alerts through various channels and supports custom monitoring logic via TypeScript. | 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. |
| integrations.count | 17 | 1 |
| integrations.list | `[{"name":"Slack"},{"name":"PagerDuty"},{"name":"Incident.io"},{"name":"Rootly"},{"name":"OpsGenie"},{"name":"GitHub"},{"name":"GitHub Actions"},{"name":"GitLab CI"},{"name":"Jenkins"},{"name":"Vercel"},{"name":"Terraform"},{"name":"Pulumi"},{"name":"Webhook"},{"name":"Telegram"},{"name":"Airflow"},{"name":"Kubernetes"},{"name":"MCP"}]` | `[{"name":"Prometheus"}]` |
| language.primary | - | Go |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"linux":true}` |
| pricing | `{"type":"subscription","plans":[{"free":true,"name":"Hobby","summary":"Free","features":["Uptime monitoring (HTTPS, TCP, DNS, ICMP, Heartbeat)","10 uptime monitors","1,000 browser/Playwright checks per month","10,000 API checks per month","6 global monitoring locations","Round Robin scheduling","Email and Slack alerting"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Free tier for personal projects and learning","contactSales":false,"includedLimits":{"locations":"6","api_checks":"10000/mo","max_frequency":"2 min","browser_checks":"1000/mo","uptime_monitors":"10"}},{"free":false,"name":"Starter","summary":"$24/month billed annually","features":["50 uptime monitors","1-minute check frequency","3,000 browser checks per month","25,000 API checks per month","Automatic retry before alerting","Email, Slack, SMS (100/mo) alerting","Webhook support","Incident management integrations (PagerDuty, Incident.io, Rootly, OpsGenie)"],"commitment":"monthly","components":[{"kind":"fixed","amount":24,"period":"month","currency":"USD"},{"per":{"qty":1000,"unit":"browser checks"},"kind":"metered","amount":4,"currency":"USD"},{"per":{"qty":10000,"unit":"API checks"},"kind":"metered","amount":1.8,"currency":"USD"},{"per":{"qty":25,"unit":"additional monitors"},"kind":"metered","amount":8,"currency":"USD"}],"description":"For startups and growing projects","contactSales":false,"includedLimits":{"locations":"6","api_checks":"25000/mo","sms_credits":"100/mo","max_frequency":"1 min","browser_checks":"3000/mo","uptime_monitors":"50"}},{"free":false,"name":"Team","summary":"$64/month billed annually","features":["75 uptime monitors","30-second check frequency","12,000 browser checks per month","100,000 API checks per month","22 global locations","Round Robin and Parallel scheduling","Multiple automatic retries","All alerting channels (Email, Slack, SMS 200/mo, Webhooks)","Private locations for internal monitoring","SSL/TLS certificate monitoring","Visual regression detection","All incident management integrations"],"commitment":"monthly","components":[{"kind":"fixed","amount":64,"period":"month","currency":"USD"},{"per":{"qty":1000,"unit":"browser checks"},"kind":"metered","amount":6.25,"currency":"USD"},{"per":{"qty":10000,"unit":"API checks"},"kind":"metered","amount":2.5,"currency":"USD"}],"description":"Ideal for growing teams and businesses","contactSales":false,"includedLimits":{"locations":"22","api_checks":"100000/mo","sms_credits":"200/mo","max_frequency":"30 sec","browser_checks":"12000/mo","uptime_monitors":"75","private_locations":"True"}},{"free":false,"name":"Enterprise","summary":"Custom pricing","features":["Custom monitor and check volumes","1-second check frequency","22 global locations with parallel and round-robin scheduling","Private locations","All alerting channels","Custom pricing for overages"],"commitment":"annual","description":"Custom solutions for large organizations","contactSales":true}],"addOns":[{"name":"Communicate Starter"},{"name":"Communicate Team"}],"summary":"From $24/month billed annually. Free tier includes 10 monitors and 1k browser/10k API checks.","currency":"USD","freeTier":true,"sourceUrl":"https://www.checklyhq.com/pricing/","retrievedAt":"2026-08-17T21:36:29.405Z","startingPrice":{"amount":1.8,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"open_source","summary":"Open-source (no licensing cost)","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-17T21:36:10.400Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | free |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 122 |
| release.history | - | `[{"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/prometheus/blackbox_exporter/releases/tag/v0.13.0","date":"2018-12-04T15:20:50Z","type":"stable","version":"v0.13.0"}]` |
| reliability.status_page | yes | - |
| security.scorecard | - | 7 |
| security.soc2 | yes | - |
| 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"}` |

## Capabilities (API Monitoring)

| Capability | Checkly | Prometheus Blackbox Exporter |
|---|:--:|:--:|
| **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: Vioscale. Generated 2026-09-01T17:32:08.657Z. "-" = undocumented, not absent.*