Pricing

from $3.00 / 1,000 url looked ups

Website History Checker (Wayback Machine)

Bulk website history from the Internet Archive's Wayback Machine: when each URL or domain was first and last archived, captures per year, distinct versions and last change, every version with links, or what changed between two dates (title, headings, text, links). Official APIs, no key.

Pricing

from $3.00 / 1,000 url looked ups

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Developer

Watchmere .

Actor stats

Bookmarked

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Monthly active users

3 days ago

Last modified

eBay Market Analyser: Prices, Competition & Profit

best_actors/ebay-market-analyser

Keywords in, the live eBay market out: price range with postage, seller concentration, China competition, optional real sold data and your profit per sale. 8 eBay sites. Pay only for keywords with real data.

Lewis O'Rorke

SEO Audit API — On-Page Checks, Meta Tags, Headings & Schema

highbrow_fame/seo-audit-api

On-page SEO audit of any URL over plain HTTP: title, meta, canonical, robots, hreflang, headings, images alt, links, JSON-LD, redirects, a 0-100 score with issues. SEO Audit API.

yestrue

Shopify Store Auditor: SEO & Product Catalog Audit

siftwright_data/shopify-store-auditor

Audit any Shopify store's catalog: thin or missing descriptions, images without alt text, duplicate titles, zero prices, missing product types and tags. 0-100 score per store plus every flagged product. No login or app needed.

Siftwright Data

SiteVerdict — robots.txt & Sitemap Monitor

siteverdict/siteverdict-robots-sitemap-monitor

Catch SEO disasters before Google does: watches robots.txt, XML sitemaps and key pages for Disallow: /, noindex, canonical and status changes, sitemap URL drops and errors. Diffs vs last run, Slack/webhook alerts, HTML report.

Aman Thakran

Product Data Extractor API — Price, Title, Images & Stock

highbrow_fame/product-page-extractor-api

Name, brand, price, currency, stock, rating, images, SKU/GTIN and variants from a product page's schema.org JSON-LD, microdata or Open Graph tags. One JSON record per URL. Product Data Extractor API.

yestrue

Federal Contract Awards Feed (USAspending.gov)

novadata/federal-contract-awards-feed

Who just won federal contracts: new awards by NAICS, PSC, agency, set-aside, state, amount, recipient and keyword from the official USAspending.gov API. Includes award amount, period-of-performance end date and days remaining, with links back to USAspending. No API key.

novadata

Wayback Change Monitor — Website History Diff & Alerts

foxlabs/wayback-change-monitor

See when any URL changed on the Wayback Machine. Dated change timeline per URL: change type (content/removed/restored/redirect/status), byte delta, title and status transitions, meaningful text diff (noise filtered) and archived proof links. Not a raw snapshot dump.

Berkan Kaplan

Amazon Book & T-Shirt Niche Analyzer

vncntlabs/amazon-book-tshirt-niche-analyzer

Amazon niche research for low-content books, Kindle and print-on-demand t-shirts. One keyword in, one report out: Amazon search volume, top-20 price and review spread, Best Sellers Rank, publish dates, self-publisher share and a USPTO trademark screen. Pay per niche.

VNCNT Labs

Ranked Keywords & Domain Overview API

touchrock/ranked-keywords

See the Google keywords a domain, subdomain or page ranks for: position, URL, search volume, CPC, keyword difficulty and estimated traffic, plus a domain overview, in 94 countries. $1.50 per 1,000 keywords + $0.02 per domain; no data, no charge.