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Scraper Output Monitor | Silent Failure & Drift Alerts

Try for free

Catch the day your scrape silently breaks. Point it at any scraper's dataset and get one verdict per run: fields that emptied out, fields that vanished, types that changed, volumes that collapsed, all judged against your own rolling baseline. Deterministic, stateless, priced per run not per row.

Pricing

Pay per usage

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Developer

Brandon Mensing

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a month ago

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Scraper Output Monitor: Detect Silent Scraper Failures API

Below, you can find a list of relevant HTTP API endpoints for calling the Scraper Output Monitor | Silent Failure & Drift Alerts Actor. For this, you’ll need an Apify account. Replace <YOUR_API_TOKEN> in the URLs with your Apify API token, which you can find under API & Integrations in Apify Console. For details, see the API reference.

Run Actor

POST
https://api.apify.com/v2/actors/broomwagon~scraper-output-monitor/runs?token=<YOUR_API_TOKEN>

Note: By adding the method=POST query parameter, this API endpoint can be called using a GET request and thus used in third-party webhooks. Please refer to our Run Actor API documentation.

Run Actor synchronously and get dataset items

POST
https://api.apify.com/v2/actors/broomwagon~scraper-output-monitor/run-sync-get-dataset-items?token=<YOUR_API_TOKEN>

Note: This endpoint supports both POST and GET request methods. However, only the POST method allows you to pass input data. For more information, please refer to our Run Actor synchronously and get dataset items API documentation.

Get Actor

GET
https://api.apify.com/v2/actors/broomwagon~scraper-output-monitor?token=<YOUR_API_TOKEN>

For more information, please refer to our Get Actor API documentation.

Actors can be used to scrape web pages, extract data, or automate browser tasks. Use the Scraper Output Monitor | Silent Failure & Drift Alerts API programmatically via the Apify API.

You can choose from:

Scraper Output Monitor | Silent Failure & Drift Alerts API in Python

Scraper Output Monitor | Silent Failure & Drift Alerts API in JavaScript

Scraper Output Monitor | Silent Failure & Drift Alerts API through CLI

Scraper Output Monitor | Silent Failure & Drift Alerts OpenAPI definition

You can start Scraper Output Monitor | Silent Failure & Drift Alerts with the Apify API by sending an HTTP POST request to the Run Actorendpoint. An Actor’s input and its content type can be passed as a payload of the POST request, and additional options can be specified using URL query parameters. The Scraper Output Monitor | Silent Failure & Drift Alerts is identified within the API by its ID, which is the creator’s username and the name of the Actor.

When the Scraper Output Monitor | Silent Failure & Drift Alerts run finishes you can list the data from its default dataset(storage) via the API or you can preview the data directly on Apify Console.

Apify Actor Run Monitor: Empty Output Alerts

davidbenittah/apify-run-output-health-monitor

Check up to 50 Apify Actors and find the ones that are quietly broken: no recent run, a failed or aborted run, a failure rate above your threshold, a successful run with an empty dataset, or output missing a required field. One health row per Actor, plus a summary.

David

AI Search Visibility Monitor | Share of Voice | Anomaly Alerts

broomwagon/ai-search-visibility-monitor

Track your brand's share of voice across AI answer engines — ChatGPT, Perplexity, Gemini, Google AI Overviews. Deterministic deltas and statistical anomaly alerts against your rolling baseline, on a schedule. Stateless: you hold the memory, we store nothing.

Brandon Mensing

Dataset Diff: Only New & Changed Items From Any Actor

fayoussef/dataset-diff

Point it at any Apify Actor, Task or dataset and get only what changed since its last run: new rows, edited rows, rows that disappeared. Push the delta to Slack, Discord, Telegram or a webhook. No target website, so nothing breaks.

Youssef Farhan

Dataset Drift & QA Monitor

cynix_dev/dataset-drift-qa

Stop finding out your scrapers broke three days late. Point this actor at any Apify dataset or JSON endpoint and it watches the data itself — not just whether the run succeeded.

Cynix Dev

TikTok Shop Reviews Scraper & Change Monitor (US)

jy-labs/tiktok-shop-us-reviews

Monitor TikTok Shop US review changes. Pass a previous run ID to receive only newly observed or edited reviews, with the fields that changed. Unchanged reviews have no result charge. First run collects a baseline. One product, up to 99 recent reviews per run.

jy-labs

All-in-One YouTube Scraper

thenetaji/youtube-scraper

Collects YouTube search results, channels, videos, comments, transcripts, playlists, trending and hashtag feeds through a single Actor. The mode is selected per run; each mode accepts its own identifier and returns that dataset's fields.

The Netaji

Daily Website Change Monitor: See What Changed Since Last Run

lotebo-lab/page-change-monitor

It keeps a fingerprint of each watched page between runs: the first run records a baseline, and every run after it tells you which pages changed, old text next to new. HTML pages only, and a URL that answers with JSON, a PDF or an image is refused and not charged.

Tarcio Elyakin Agra Diniz

Shopify Products + Store Info

s-r/shopify-products

Hosted shopify scraper that pulls the full product catalog and store metadata from any Shopify storefront as structured JSON. Run it from the Apify Store with one click, or call it from your own service via the Apify API. Pay per product, not per month.

All-in-One Facebook Scraper

thenetaji/facebook-scraper

Collects public Facebook Pages, posts, followers and following, videos, photo albums, Marketplace listings and video search results through a single Actor. The mode is selected per run; each mode takes its own input and returns that dataset's fields, with optional enrichment attached to each row.

The Netaji

LLM Output Guard | JSON Schema Validation for Agent Output

broomwagon/llm-output-guard

Check that your model's JSON matches the schema you asked for. Every failure comes back with its path, the keyword it broke, and the repair that would fix it. Shape repairs are opt-in and never invent content, so a repair can never hide a real failure.

Brandon Mensing