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Know when the web changes its mind.

Paperpin watches the pages your business depends on, understands what changed, and turns every meaningful update into a signal your team can use.

See what is coming ↗Explore the product

paperpin / live monitor

07:42:19 utc

A

Acme pricing

acme.com/pricing

active

Every 5 minutes

Visual monitoring

Slack - #market-intel

REFRESH

Change history

Meaningful change detected

Changed

20% diff

high

The web is your largest source of truth. It is also unstructured, silent, and constantly shifting. Paperpin makes it programmable.

Monitor a pricing block, policy clause, product listing, or full page. Paperpin filters out the noise.

Verified changes arrive with visual proof, AI context, and delivery into your existing workflow.

Three layers between a page and a decision.

Technical enough for the systems team. Clear enough for everyone who needs to act.

01 / OBSERVE

Capture with precision

Select any page, region, element, or text condition. Paperpin preserves the original state before it watches for movement.

PAGE RENDER
WATCH ZONES
VISUAL EVIDENCE

02 / INTERPRET

Understand the difference

Visual and text analysis catch page differences. AI detection on Pro and Scale evaluates each visible change against your instruction and explains the evidence.

plan: pro
- price: 49
seats: 5
plan: pro
+ price: 59
seats: 5

03 / ACTIVATE

Route a structured event

Send a human-readable alert to Slack, Discord, Telegram, or email, or trigger downstream logic with a clean webhook payload.

P
AI
#
{ }

From page change to a clear decision.

Evidence, context, and delivery in one record, so teams can act without digging through screenshots.

Change event

Jul 14, 2026 · 07:42 UTC

Current page state

The selected watch zone is highlighted. The rest of the captured page is dimmed.

https://acme.com/pricing

ACME

$59 / month

What changed

Pro plan pricing

The monthly price increased from $49 to $59. The number of included team seats remained unchanged.

Paperpin found a meaningful update inside the watched area.

Set the signal once. Let Paperpin keep watch.

A precise, traceable pipeline that runs quietly in the background and speaks only when something matters.

Select an exact page region or monitor the full page.

Choose visual, text, or instruction-based AI detection and set sensitivity.

Route verified changes to people or systems.

Point to what matters

Paste a URL, choose the exact region you care about, and decide how often it should be checked.

Paperpin builds the baseline

We preserve the page state and compare every new render against that trusted reference.

BASELINE - 07:14

20%

LATEST - 07:42

The right people and systems know

Route verified changes to email, Slack, Discord, Telegram, or a webhook.

VERIFIED

SLACK

EMAIL

WEBHOOK

TELEGRAM

Watch the pages you do not control, but still depend on.

One monitoring layer for every external change that can affect a plan, a promise, or a decision.

Competitive intelligence

See pricing, positioning, feature, and campaign changes while they are still fresh.

Competitor pricing

Meaningful change - 20% diff

Product releases

No change - latest run

Homepage messaging

Below threshold - 3% diff

Legal and compliance

Keep an audit-ready history of policy, regulatory, and terms updates.

Meaningful change detected

Section 4.2 now permits sharing with approved service partners.

Commerce operations

Track assortment, price, and availability across suppliers.

Content governance

Know when published pages drift from approved language.

Claims pageChanged

Disclosure copyNo change

Localized pageReview

A change is only useful when it reaches the next decision.

Send the full signal to people, agents, or automation. Every destination gets the same trusted evidence and structured context.

Email

Webhook

Log only

Slack

Discord

Telegram

Paperpin logo
CONNECTED
ACTIVE
CONNECTED
WEBHOOK
TELEGRAM

Put web change intelligence inside your own systems.

Use the REST API for software integrations or connect an AI client through MCP. Both interfaces work with the same monitors, change events, and insights.

For applications

REST API

v1

Read monitors, change events, and insights. Trigger checks or control monitors directly from your scripts, products, and internal workflows.

GET /api/v1/monitors

200 OK

curl https://paperpin.io/api/v1/monitors \
  -H "Authorization: Bearer pp_..."

API keys

Stable JSON

Rate limits

Explore the REST API

For AI clients

Remote MCP

OAuth 2.1

Let AI assistants inspect change evidence, analyze trends, organize monitors, and trigger checks — all through natural language backed by structured tool calls.

https://paperpin.io/api/mcp

list_monitors

get_change_event

run_monitor

get_insights

Connect an MCP client

REST and MCP access are available on every plan, including Free.

View all developer documentation

Watch a page. Then watch the whole market.

Start with the pages that matter today. Scale when the signal becomes part of how your team works.

Free

$0 Forever

For individuals getting started with web monitoring.

  • 3 monitors
  • 100 runs / month
  • 60-min minimum interval
  • 7-day deleted history retention
  • All integrations
View Free

Pro

$10 per month

For teams that need faster checks and deeper integrations.

  • 10 monitors
  • 800 runs / month
  • 10-min minimum interval
  • 30-day deleted history retention
  • All integrations
  • AI detection
View Pro↗

Scale

$25 per month

For power users and teams monitoring at volume.

  • 20 monitors
  • 2,100 runs / month
  • 3-min minimum interval
  • 90-day deleted history retention
  • All integrations
  • Priority support
  • AI detection
View Scale

Monitor it before it matters.

Start with the page your business depends on. Paperpin builds the baseline, keeps the evidence, and tells you when it moves.

See what is coming ↗See how Paperpin works