Landing Page Offer Change Monitor
Pricing
Pay per usage
Landing Page Offer Change Monitor
Compare structured landing-page snapshots and detect material changes to price, discount, guarantee, shipping, CTA, and stock.
Landing Page Offer Change Monitor
Pricing
Pay per usage
Compare structured landing-page snapshots and detect material changes to price, discount, guarantee, shipping, CTA, and stock.
You can access the Landing Page Offer Change Monitor programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in Integrations settings in Apify Console.
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Capture only pages you are authorized to monitor.", "items": { "type": "object" }, "default": [ { "url": "https://example.com/product?utm_source=ad", "observedAt": "2026-07-01", "headline": "Build faster this summer", "cta": "Start now", "price": 99, "compareAtPrice": 129, "coupon": "SUMMER10", "freeShippingThreshold": 75, "guaranteeDays": 30, "trialDays": 14, "stockStatus": "in stock", "bundle": "starter kit", "subscription": false }, { "url": "https://example.com/product", "observedAt": "2026-07-15", "headline": "Build faster this summer", "cta": "Get the deal", "price": 89, "compareAtPrice": 129, "coupon": "SUMMER20", "freeShippingThreshold": 50, "guaranteeDays": 60, "trialDays": 14, "stockStatus": "low stock", "bundle": "starter kit plus bonus", "subscription": false } ] }, "sourceUrls": { "title": "Optional JSON/CSV source URLs", "type": "array", "description": "Optional URLs to JSON or CSV source data. Imported records are combined with inline input data.", "items": { "type": "string" }, "default": [] }, "priceTolerance": { "title": "Relative price tolerance", "minimum": 0, "maximum": 0.25, "type": "number", "description": "Relative price difference tolerated before a landing-page offer change is reported.", "default": 0.005 }, "alertOnFirstRun": { "title": "Alert when the first input contains two snapshots", "type": "boolean", "description": "When enabled, emit alerts for qualifying items in the first observed snapshot instead of only later changes.", "default": true }, "maxSourceBytes": { "title": "Maximum bytes per source", "minimum": 1000, "maximum": 20000000, "type": "integer", "description": "Maximum number of bytes downloaded from each optional source URL to limit input size.", "default": 5000000 } } }, "runsResponseSchema": { "type": "object", "properties": { "data": { "type": "object", "properties": { "id": { "type": "string" }, "actId": { "type": "string" }, "userId": { "type": "string" }, "startedAt": { "type": "string", "format": "date-time", "example": "2025-01-08T00:00:00.000Z" }, "finishedAt": { "type": "string", "format": "date-time", "example": "2025-01-08T00:00:00.000Z" }, "status": { "type": "string", "example": "READY" }, "meta": { "type": "object", "properties": { "origin": { "type": "string", "example": "API" }, "userAgent": { "type": "string" } } }, "stats": { "type": "object", "properties": { "inputBodyLen": { "type": "integer", "example": 2000 }, "rebootCount": { "type": "integer", "example": 0 }, "restartCount": { "type": "integer", "example": 0 }, "resurrectCount": { "type": "integer", "example": 0 }, "computeUnits": { "type": "integer", "example": 0 } } }, "options": { "type": "object", "properties": { "build": { "type": "string", "example": "latest" }, "timeoutSecs": { "type": "integer", "example": 300 }, "memoryMbytes": { "type": "integer", "example": 1024 }, "diskMbytes": { "type": "integer", "example": 2048 } } }, "buildId": { "type": "string" }, "defaultKeyValueStoreId": { "type": "string" }, "defaultDatasetId": { "type": "string" }, "defaultRequestQueueId": { "type": "string" }, "buildNumber": { "type": "string", "example": "1.0.0" }, "containerUrl": { "type": "string" }, "usage": { "type": "object", "properties": { "ACTOR_COMPUTE_UNITS": { "type": "integer", "example": 0 }, "DATASET_READS": { "type": "integer", "example": 0 }, "DATASET_WRITES": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_READS": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_WRITES": { "type": "integer", "example": 1 }, "KEY_VALUE_STORE_LISTS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_READS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_WRITES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_INTERNAL_GBYTES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_EXTERNAL_GBYTES": { "type": "integer", "example": 0 }, "PROXY_RESIDENTIAL_TRANSFER_GBYTES": { "type": "integer", "example": 0 }, "PROXY_SERPS": { "type": "integer", "example": 0 } } }, "usageTotalUsd": { "type": "number", "example": 0.00005 }, "usageUsd": { "type": "object", "properties": { "ACTOR_COMPUTE_UNITS": { "type": "integer", "example": 0 }, "DATASET_READS": { "type": "integer", "example": 0 }, "DATASET_WRITES": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_READS": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_WRITES": { "type": "number", "example": 0.00005 }, "KEY_VALUE_STORE_LISTS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_READS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_WRITES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_INTERNAL_GBYTES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_EXTERNAL_GBYTES": { "type": "integer", "example": 0 }, "PROXY_RESIDENTIAL_TRANSFER_GBYTES": { "type": "integer", "example": 0 }, "PROXY_SERPS": { "type": "integer", "example": 0 } } } } } } } } }}OpenAPI is a standard for designing and describing RESTful APIs, allowing developers to define API structure, endpoints, and data formats in a machine-readable way. 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