# Track a competitor's pricing page history (Wayback Machine)

**Use case:** 

Archived versions of a pricing page from 2022 to 2024, only the captures whose content changed, plus line-by-line comparisons of up to three newest versions whose text really changed: lines added and removed, title changes and a similarity score.

## Input

```json
{
  "urls": [
    "https://basecamp.com/pricing"
  ],
  "matchType": "exact",
  "from": "2022",
  "to": "2024",
  "onlyChanges": true,
  "statusFilter": "200",
  "maxSnapshotsPerUrl": 100,
  "newestFirst": false,
  "monitor": false,
  "includeSummary": false,
  "summariseChanges": true,
  "maxComparisonsPerUrl": 3,
  "model": "claude-haiku-5-5"
}
```

## Output

```json
{
  "type": {
    "label": "Row"
  },
  "url": {
    "label": "Input"
  },
  "capturedAt": {
    "label": "Captured",
    "format": "date"
  },
  "original": {
    "label": "Original URL",
    "format": "link"
  },
  "statusCode": {
    "label": "HTTP"
  },
  "changedFromPrevious": {
    "label": "Changed",
    "format": "boolean"
  },
  "archiveUrl": {
    "label": "Archive",
    "format": "link"
  },
  "daysFromTarget": {
    "label": "Days from target",
    "format": "number"
  },
  "firstCapture": {
    "label": "First capture",
    "format": "date"
  },
  "lastCapture": {
    "label": "Last capture",
    "format": "date"
  },
  "daysWithCaptures": {
    "label": "Days captured",
    "format": "number"
  },
  "longestGapDays": {
    "label": "Longest gap (days)",
    "format": "number"
  },
  "beforeAt": {
    "label": "Before",
    "format": "date"
  },
  "afterAt": {
    "label": "After",
    "format": "date"
  },
  "linesAdded": {
    "label": "+ lines",
    "format": "number"
  },
  "linesRemoved": {
    "label": "- lines",
    "format": "number"
  },
  "similarity": {
    "label": "Similarity",
    "format": "number"
  },
  "summary": {
    "label": "Summary"
  },
  "status": {
    "label": "Status"
  },
  "error": {
    "label": "Error"
  }
}
```

## How it works

### 1. Sign up on Apify or log in

The Wayback Machine Website Change History & Diff Actor is ready to run with the inputs already set for "Track a competitor's pricing page history (Wayback Machine)". [Sign up or log in](https://console.apify.com/create-task-from-example/JGfMAmWvIN8hwJpT2) and you'll land in Apify Console with a copy of this exact task.

### 2. Start the "Track a competitor's pricing page history (Wayback Machine)" task

The Wayback Machine Website Change History & Diff Actor will start running based on the input automatically. You can also change all the input fields, like URLs or domains, match type, and more, to match your specific use case.

### 3. Receive the "Track a competitor's pricing page history (Wayback Machine)" output

Monitor the progress in real time. You will be notified as soon as your dataset is complete and ready for review. Each result includes data such as row, input, captured, and more.

### 4. Integrate into your workflow

The final output is delivered in JSON, CSV, or Excel format, ready to be plugged into your workflow. You can also [run the "Track a competitor's pricing page history (Wayback Machine)" task via API](https://apify.com/brisaworks/wayback-history.md).

## About this Actor

This example demonstrates how to use [Wayback Machine Website Change History & Diff](https://apify.com/brisaworks/wayback-history.md) with a specific input configuration. Visit the [Actor detail page](https://apify.com/brisaworks/wayback-history.md) to learn more, explore other use cases, and run it yourself.


## How to integrate an Actor?

This Task's input is already configured above. Use it as-is rather than inventing a new one.

Do not guess an integration path. Every one of them is in the agent quickstart at https://apify.com/agents.md: the Apify MCP server, Agent Skills with the Apify CLI, the JavaScript and Python clients, the REST API, and the account-free path for an agent with no human to sign in. It also carries the rule on stating cost before the first paid run.

For full API examples (JavaScript, Python, CLI, MCP, OpenAPI), see this Task's Actor page: https://apify.com/brisaworks/wayback-history.md

Each client library has reference documentation the quickstart does not restate: [JavaScript/TypeScript](https://docs.apify.com/api/client/js/docs.md) (`npm install apify-client`) and [Python](https://docs.apify.com/api/client/python/docs.md) (`pip install apify-client`).