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  • Web · Email · SMS
  • Custom scenarios

Monitor the Whole Journey, End to End — Even When No Standard Product Covers It

Some business-critical flows don’t fit any off-the-shelf monitor — a reservation that emails a confirmation, a checkout behind an MFA login, a process that touches five systems in a row. When standard products stop, custom scripting begins. If you can describe the journey, we can monitor it: we build the scenario, run it end to end from real browsers worldwide, and alert you the moment any step breaks.
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See a worked example
End-to-end monitoring scenario for a car rental reservation — six scripted steps spanning web, email, and SMS, completing in 24.8s.
  • Multi-step, cross-channel scenarios
  • We build it for you — or you record it
  • Private Agents for internal apps
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Organizations Worldwide

99.99%

Platform Uptime SLA

30+

Global Monitoring Locations

Since 1998

Website Monitoring Leader

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Quick answer

End-to-end monitoring for custom scenarios follows a complete business process from the first click to the final confirmation — even one that spans several systems and channels. Where uptime checks and standard monitors stop, a custom script keeps going: filling forms, parsing a confirmation email, following a link inside it, and submitting an SMS verification code, all as one automated run from real browsers on a schedule. If you can describe the journey a real user takes, it can be monitored.

When standard monitoring stops

Off-the-Shelf Monitors Cover the Common Case. We Cover Yours.

Uptime pings, single-page checks, and templated transaction monitors handle the 80% that looks like everyone else’s. The remaining 20% — the flows that actually define your business — have branching logic, third-party dependencies, unusual auth, and steps that cross from the browser into an inbox or a phone. That’s exactly what a custom script is for.
  • Multi-step user journeys — dozens of sequential actions across pages, domains, and apps in a single monitored run.
  • Dynamic data & conditional logic — read a value on one screen, use it on the next; branch on what the page returns.
  • Real-browser execution — JavaScript, SPAs, and client-side rendering behave exactly as they do for users.
  • Granular assertions — text, element, response, timing, and content checks at any step, not just “is it up”.
Scope a custom scenario
EveryStep recorder scenario steps for custom monitoring — navigate, type, click, conditional logic, email and SMS waits, then assert reservation confirmed.
Cross-channel monitoring scenario — web reservation, email confirmation, link follow, and SMS code retrieved; final "Reservation confirmed" assertion times out.
One scenario, every channel

Web, Email, and SMS — Validated as a Single Round Trip

Real journeys don’t stay in the browser. A booking sends an email; a login texts a code; a password reset does both at once (an email link plus an SMS code). A custom monitor completes the web action, reads the resulting message from a monitored inbox, follows the link inside it, and retrieves the SMS code — then asserts the whole loop closed, the way a customer would experience it.
  • Inbound email checks — confirm the message arrived within an SLA, validate subject/sender/body, and extract links or codes.
  • SMS / OTP retrieval — pull a one-time code from a text message and submit it to complete MFA or verification.
  • Link & deep-link following — click through email links to verify the modify, cancel, confirm, or reset path actually works.
  • End-to-end assertions — the run fails if any channel breaks, even when each system individually reports “OK”.
See how alerting works
A worked example

Car Rental Reservation — One Monitor, Six Steps, Three Channels

No single product checks this whole journey. A custom script does — booking a car, verifying the confirmation email, following its link, and applying an SMS code, all on a schedule. Here’s the full scenario, step by step.

Web

Search & reserve a car online

Open the rental site, enter pickup/drop-off locations and dates, search availability, select a compact class, and submit the reservation form — in a real browser, so the booking widget's JavaScript runs exactly as it would for a customer.

assert: results loaded · reservation accepted
1
Web
Validate

Capture the booking reference

Store the booking reference shown on the confirmation screen so later steps (and the alert payload) can use it. Assert the page actually returned a reference rather than a silent error.

store: bookingRef · assert: ref present
2
Validate
Email

Confirm the reservation email arrived

Watch a monitored inbox for the confirmation message. Validate it arrives within your SLA window, comes from the right sender, and the subject and body contain the booking reference captured in step 2.

assert: email < 60s · body contains bookingRef
3
Email
Email → Web

Follow the "Modify / cancel reservation" link

Extract the management link from the email and click through to the self-service page — verifying the exact path a customer uses to change a booking actually resolves and loads.

assert: link resolves 200 · manage page loads
4
Email → Web
SMS

Retrieve the SMS verification code

The modify page triggers an SMS one-time code. Read the 6-digit code from the text message and submit it — clearing the verification gate the same way a real user would.

retrieve: OTP · submit: code
5
SMS
Validate

Assert the reservation is confirmed

Confirm the final "Reservation confirmed / updated" state and capture total journey time. If any step fails, the run is marked failed with the exact step, a screenshot, and the full network waterfall attached to the alert.

assert: confirmed · capture: journey time + screenshot
6
Validate
Done with you, or done for you

How a Custom Monitoring Solution Comes Together

Record and edit scenarios yourself with the EveryStep Web Recorder, or hand it to our Professional Services team — we scope, build, validate, and maintain the whole thing and give you back a working monitor.

1

Scope

We map the journey with you — every step, channel, account, and the assertions that define “working”.

2

Script

The scenario is recorded and refined — dynamic data, conditional logic, email and SMS steps wired in.

3

Validate

We run it across locations and devices, tune thresholds, and confirm it catches real failures without false alarms.

4

Monitor

It goes live on a schedule from 30+ locations or a Private Agent, with alerts routed to your tools.

5

Maintain

When your app changes, the scenario is updated — so the monitor keeps reflecting the real journey.

Use cases

The Long-Tail Journeys That Don’t Fit a Template

If a flow crosses systems, requires unusual auth, or spans web, email, and SMS, it’s a candidate for a custom scenario. A few teams reach for most often:

E-Commerce Checkout

Add to cart, apply a promo, log in, pay in a sandbox, and validate the order-confirmation email — the full path to revenue, not just the homepage.

WEB
EMAIL
PAYMENT

Banking & Fintech Login (MFA)

Sign in to a test account, clear an OTP delivered by SMS or email, view a balance or initiate a sandbox transfer, and confirm the result — auth gate included.
WEB
SMS / OTP
MFA

Travel & Airline Booking

Search flights, select and hold a seat, proceed toward payment, and verify the itinerary email and its manage-booking link — before customers hit the broken step.
WEB
EMAIL
MULTI-STEP

Email + SMS Verification Flows

Sign-ups, password resets, and 2FA enrollment that span an inbox and a phone — the cross-channel loops uptime tools can’t see end to end.
EMAIL
SMS
OTP

Multi-System Business Processes

An internal workflow that hops across portal, CRM, ticketing, and an email step. Run it behind the firewall with a Private Agent and watch the whole chain.
INTERNAL
PRIVATE AGENT
MULTI-APP

Don’t See Yours?

That’s the point. If you can describe the journey, we can script it. Bring us the scenario standard monitoring can’t cover.

Describe your scenario →

Have a scenario in mind?

Get a Working Monitor by the End of One Call

Walk a monitoring engineer through your flow — web, email, SMS, internal apps, the lot — and leave with a scripted scenario running against your environment. No sales pitch.

Book a scenario walkthrough
What the scripting engine can do

Building Blocks for Almost Any Scenario

Form fill & clicks
Dynamic data
Conditional logic
Email parsing
SMS / OTP retrieval
File upload / download
OAuth & token auth
Text / element asserts
Regex / XPath / JSON
Real browsers
Mobile emulation
Step-level timing
Global & behind the firewall

Run Your Scenario from Anywhere Your Users Are

Execute custom scenarios from 30+ owned monitoring locations to catch regional latency, DNS, CDN, and third-party issues against your public-facing journeys.

For internal processes that never leave your network — intranet portals, internal apps, integration steps — deploy a Private Agent inside your VPC or datacenter. Outbound-only connection, no inbound firewall rules.

30+
Global locations
Private Agents

On-prem / VPC

1 min
Min. check interval
Real Browsers
Not just HTTP
Abstract world map showing Dotcom-Monitor's global API monitoring checkpoints scattered across six continents.
What teams say

Teams Trust Us with the Journeys That Matter Most

“The real-time alerts and detailed performance analytics have been a game-changer for our uptime and speed. The global monitoring feature ensures our site is optimized everywhere, and their customer support is exceptional.”
Tomer C.
Managing Director · Facilities Services
Verified Capterra review, 2025
“Dotcom-Monitor was an easy integration to support our reliability engineering practices. Our teams rely on good observability and monitoring tools to stay proactive on quality — and this platform provided exactly that, with limited training needed.”
Aisha K.
Platform Engineer · Information Technology & Services
Verified Capterra review, 2023
“When a website monitor fails, it records both the HTML response and the traceroute, which can be very helpful in debugging. Customer support was helpful too.”
Greg A.
Founder · Internet
Verified Capterra review, 2026

4.5

Capterra

82 reviews

4.5
G2

32 reviews

4.6
Ease of Use
Capterra score

All reviews sourced from Capterra and G2 verified reviews. Ratings as of July 2026.

Frequently asked

Custom Monitoring Questions Teams Ask Before Signing Up

A bespoke synthetic monitor scripted to follow a specific business process end to end — even one that spans multiple systems and channels. Where standard uptime or transaction checks stop, a custom script keeps going: filling forms, parsing a confirmation email, following a link, and entering an SMS code, all as one automated run on a schedule from real browsers.

Multi-step journeys with conditional logic, dynamic data, and cross-channel steps — a car-rental reservation that checks a confirmation email and an SMS code, an e-commerce checkout through payment, a banking login with MFA/OTP, an airline booking with a held seat, or any internal business process that touches several apps in sequence.

Yes. One scripted scenario can complete a web transaction, read the resulting email from a monitored inbox, follow a link inside that email, and retrieve and submit an SMS verification code — validating the entire round trip as a customer would experience it.

Either. You can record and edit scenarios yourself with the EveryStep Web Recorder, or our Professional Services team will scope, build, validate, and maintain a custom solution for you — handing back a working monitor and alerting setup.

Yes. Scenarios run in real browsers (Chrome and others) so JavaScript, single-page apps, dynamic content, and client-side logic all behave exactly as they do for your users — not just raw HTTP requests.

Yes. Deploy a Private Agent inside your network or VPC and run the same custom scenario against internal apps and integrations. The agent makes outbound-only connections, so no inbound firewall rules are required.

OTP and MFA codes delivered by email or SMS are retrieved inside the same scenario and submitted automatically. For test accounts you can use shared secrets / TOTP. CAPTCHA is intentionally adversarial to automation — we typically work with you to allowlist the synthetic monitor’s accounts or test path so the genuine journey can still be measured.

You get the exact failing step, a screenshot at the point of failure, the full waterfall of network requests, console errors, step-by-step timing, and the response or email/SMS content that was checked — routed to PagerDuty, Slack, Teams, SMS, email, or a webhook.

Standard synthetic monitoring covers common web flows like logins and checkouts. End-to-end custom scenarios handle the long-tail that doesn’t fit a template — cross-channel steps spanning email and SMS, third-party dependencies, unusual auth, conditional branching, and internal multi-system processes — scripted and maintained specifically for your business.

 New to synthetic monitoring, or need standard journeys and API checks? Start with the full Synthetic Monitoring platform →

If Standard Monitoring Can’t Cover It, We’ll Build the One That Does

Bring us the scenario standard monitoring can’t cover. A monitoring engineer will scope it with you and have a working monitor running by the end of the call — web, email, SMS, and internal apps included.

Set up a call with an engineer
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  • 10,000+ organizations
  • Monitoring leader since 1998
  • 99.99% Uptime SLA