You can access the Pack Size & Unit Price Comparator 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 API & Integrations in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

$echo '{
<  "pairs": [
<    {
<      "id": "detergent-example",
<      "left": {
<        "price": "12.50",
<        "currency": "USD",
<        "packSize": "6 x 500 ml"
<      },
<      "right": {
<        "price": "4.20",
<        "currency": "USD",
<        "packSize": "1 L"
<      }
<    },
<    {
<      "id": "paper-example",
<      "left": {
<        "price": "9.00",
<        "currency": "USD",
<        "packSize": "12 pcs"
<      },
<      "right": {
<        "price": "4.50",
<        "currency": "USD",
<        "packSize": "6 pcs"
<      }
<    },
<    {
<      "id": "manual-review-example",
<      "left": {
<        "price": "5.00",
<        "currency": "USD",
<        "packSize": "12 oz"
<      },
<      "right": {
<        "price": "6.00",
<        "currency": "USD",
<        "packSize": "500 g"
<      }
<    }
<  ]
<}' |
<apify call cooing_openness/pack-price-comparator --silent --output-dataset

Pack Size & Unit Price Comparator API through CLI

The Apify CLI is the official tool that allows you to use Pack Size & Unit Price Comparator locally, providing convenience functions and automatic retries on errors.

Install Apify CLI

Using installation script (macOS/Linux):

$curl -fsSL https://apify.com/install-cli.sh | bash

Using installation script (Windows):

$irm https://apify.com/install-cli.ps1 | iex

Using Homebrew:

$brew install apify-cli

Using npm:

$npm install -g apify-cli

Other API clients include:

Pack Size & Unit Price Comparator API in Python

Pack Size & Unit Price Comparator API in JavaScript

Pack Size & Unit Price Comparator OpenAPI definition

Pack Size & Unit Price Comparator API

Local Pack Listing Snapshot

junipr/local-pack-listing-snapshot

Extract visible local-pack/map-pack business entries, rankings, categories, ratings, reviews, addresses/service areas, and linked URLs from search...

junipr

Unit Converter

mangudai/unit-converter

Convert any value between units of length, weight, temperature, volume, area, speed, time, data, pressure, energy, power, angle, and frequency. Give a value and a unit, get the result in one unit or every unit in that category. No API key, pure offline, always reliable.

Mangudäi

🛒 Product Matcher - Cross-Retailer Matching, No Shared SKU

that_red_bird/product-matcher

🔗 Match the SAME physical product across retailers/marketplaces, no shared SKU. ✅ Brand/model/pack/size extraction, unit canonicalisation, blocking. ⚠️ Different pack count or size never match, even on near-identical titles.

mohamed alaya

Morrisons UK Grocery Scraper

bobcodgodkid.1/morrisons-grocery-scraper

Scrape Morrisons UK groceries by search term: export prices, availability, unit prices, pack sizes, promotions, ratings, categories and images as JSON, CSV or Excel. Fast JSON-API scraper for price monitoring, competitor intelligence and product data.

Cian Hanley

Unit Converter API

vivid_astronaut/unit-converter

BRAINIALL Team

Asda Groceries Scraper

automation-lab/asda-grocery-products-prices

Search ASDA UK groceries and export product IDs, brands, pack sizes, regional prices, unit prices, promotions, taxonomy, ratings, images, source URLs, and optional store availability.

Stas Persiianenko

Google Local Pack Tracker · AI Overview + Rank

doesaiknow/google-local-pack-tracker

Track the Google local 3-pack and AI Overview for any keyword and city. One row per keyword x place: who owns the 3-pack, whether an AI Overview is taking the query and who it cites, a 0-100 Local Visibility Score, week-over-week pack changes, and AI takeover alerts. Pay per row, no seat.

David S

Product Feed Price & Stock Checker

exceptional_nugget/product-feed-price-checker

Compare product feed prices, currencies and stock with SKU-matched JSON-LD offers. Flag ambiguous variants and export a client report.

LibriHouse

Asda Scraper

solidcode/asda-scraper

[💰 $2.50 / 1K] Extract product, pricing, and availability data from Asda (groceries.asda.com). Search by keyword or paste category and product URLs to collect names, brands, prices, price-per-unit, pack sizes, rollback and offer promotions, images, and stock status.

SolidCode

StorageTreasures Storage Unit Auction Scraper

lulzasaur/storagetreasures-scraper

Scrape live StorageTreasures storage-unit auctions nationwide. Per-unit data: facility, city/state/zip, unit size, contents, current bid, start/close times, countdown, image, and listing URL. Filter by state, ZIP, or category.