---
type: Pricing
title: "Monitoring Pricing: Free WebSec and Pay As You Go | ostr.io"
description: "Understand free WebSec domain monitoring and pay-as-you-go ostr.io HTTP(S) website monitoring, then review current official ostr.io pricing before you buy."
resource: "https://domain-protection.info/pricing/"
tags: [monitoring pricing, ostr-io]
timestamp: 2026-05-27T00:00:00Z
---

# Free domain signals. Pay-as-you-go website monitoring.

Understand free WebSec domain monitoring and pay-as-you-go ostr.io HTTP(S) website monitoring, then review current official ostr.io pricing before you buy.

## Read the full page

[Free domain signals. Pay-as-you-go website monitoring.](https://domain-protection.info/pricing/) on domain-protection.info.

## Verified claims

- Pricing is presented as $0/mo with no monthly fee and pay-as-you-go usage. (source: https://ostr.io/info/pricing, accessed 2026-05-27)
- WebSec domain monitoring is free for users on all ostr.io plans. (source: https://ostr.io/info/domain-names-protection, accessed 2026-05-27)

## Related concepts

- [Monitor the website signals that tell you to investigate](/website-monitoring.md)
- [Know when your domain records change](/domain-monitoring.md)
- [Detect DNS record changes and validate them fast](/dns-monitoring.md)
- [Watch certificate changes and renew before customers notice](/ssl-certificate-monitoring.md)
- [Get renewal reminders before a domain is due](/domain-expiration-monitoring.md)
- [Send alerts to people who can act](/alerts.md)
- [SNMP monitoring for servers and hardware](/snmp-monitoring.md)

## Source

Generated from domain-protection.info page metadata and a dated ostr.io evidence ledger (verified 2026-05-27). This site describes monitoring, detection, alerts, and reminders only. Claims about ostr.io are limited to the cited public pages, are not confirmed beyond them, and should be re-checked against the current ostr.io interface before reuse.