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Signalog vs Uptara

Both stand on api monitoring tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Signalog

Free plan APIWeb

Choose Signalog if you want monitoring, incident coordination, paging, and status pages together, with integrations for alert delivery and event ingestion. Free is a useful entry point for up to five monitors, while teams needing more monitors, status pages, regions, or shorter checks can consider the paid plans. Teams requiring SSO/SAML 2.0 need Business.

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Uptara

Free plan APIWeb

Choose Uptara if your team needs API monitoring with multi-region failure checks, synthetic workflows, and SLA tracking. Free Starter covers up to 10 monitors; teams that need 50 HTTP/HTTPS monitors and 30-second checks can consider Pro Developer at $15 a month, billed annually.

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The facts

SignalogUptara
Free planYesYes
Open sourceNot publishedNot published
Runs onAPI, WebAPI, Web
Lowest paid planStarter: $19 a monthPro Developer: $15 a month
Plans published44
MakerNot publishedNot published
Websitesignalog.devuptara.co
On api monitoring tools#16 of 27#20 of 27

Signalog: what it does well

  • Monitors endpoints, SSL certificates, heartbeats, and multi-step API workflows.
  • Checks can run every 30 seconds and cover up to 10 regions.
  • Groups related alerts and supports major-incident command and stakeholder updates.
  • Status pages include widgets, multiple languages, and subscriber notifications.
  • TOTP two-factor authentication is included on every plan.

What to know first

  • Free is limited to five monitors and five-minute checks.
  • Free includes one status page, two team members, and 30-day retention.
  • SSO/SAML 2.0 is listed for Business.
  • Additional on-call responders cost +$8/mo each on Pro and Business.

Uptara: what it does well

  • Checks APIs, synthetic transactions, mTLS endpoints, cron jobs, and SLA budgets.
  • Uses multi-region quorum checks to verify failures.
  • Synthetic flows can chain requests and pass dynamic variables.
  • Supports alerts through six listed channels.
  • REST API keys support monitoring and incident automation.

What to know first

  • Free Starter checks every three minutes.
  • Free Starter retains metrics history for 24 hours.
  • The lowest paid plan is billed annually at $180.

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