You can access the Public JSON Catalog Diff 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 '{
<  "buyerQuery": "buyer-ready records with source evidence",
<  "taskIntent": "buyer-ready-product-run",
<  "sourceMode": "startUrls",
<  "outputMode": "buyer-ready-records",
<  "startUrls": [],
<  "requestTimeoutSecs": 30,
<  "maxRequestRetries": 2,
<  "sinceLastRun": false,
<  "deltaMode": true
<}' |
<apify call zentrafoundry/dataset-diff-engine --silent --output-dataset

JSON catalog diff — Allbirds vs Everlane API through CLI

The Apify CLI is the official tool that allows you to use Public JSON Catalog Diff 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:

Public JSON Catalog Diff API in Python

Public JSON Catalog Diff API in JavaScript

Public JSON Catalog Diff OpenAPI definition

Public JSON Catalog Diff API

Public JSON Catalog Diff v2

zentrafoundry/dataset-diff-engine-v2

Diffs two public JSON catalogs. Try is Allbirds vs ColourPop products.json. Distinct pair from v1. $2 / 1,000.

Zentra

JSON Dataset Quality Auditor

zentrafoundry/apify-dataset-quality-auditor-v2

Field-level audit of a public JSON array. Try is Allbirds products.json. Not an Apify platform scanner. $2 / 1,000.

Zentra

Public Product Feed Monitor

zentrafoundry/public-product-feed-monitor

Watch a public products.json or merchant feed. Try is live Allbirds. First run is a baseline. $2 / 1,000.

Zentra

JSON Catalog Schema Normalizer

zentrafoundry/csv-json-schema-normalizer

Typed rows from a public JSON catalog (Try is Allbirds): title, price number, URL. $0.002 / row.

Zentra

Catalog List vs Sale Price

zentrafoundry/any-store-fake-sale-detector

Shopify products.json list vs compare-at when the catalog prints it (Try is Allbirds). Not historical MSRP proof. $0.01.

Zentra

Competitor Catalog Change Detector

zentrafoundry/competitor-catalog-change-detector

Watch public Shopify catalogs for launches, removals and price changes. First run is a live baseline (Allbirds). Schedule the next run for diffs. $2 / 1,000.

Zentra

Prompt Injection Catalog Scanner

zentrafoundry/zentra-prompt-injection-quarantine

Keyword heuristic over a public product catalog (Try is Allbirds). Not a security control. $2 / 1,000 rows.

Zentra

Shopify Products Scraper

zentrafoundry/shopify-woocommerce-dtc-catalog-intelligence

Pull public Shopify products.json and Woo Store API catalogs: price, SKU, stock, images. Try is 10 live Allbirds products. Passworded shops are out. $2 / 1,000.

Zentra