Developers and merchants

Build fit checks into product pages, feeds and support flows.

PartMatchr integrations help merchants catch wrong-fit risk before checkout while keeping compatibility claims evidence governed.

Explore merchant tools View widget docs

Evidence-safe response

Unknown stays unknown.

Configured market: US

{
  "status": "unknown",
  "evidenceLabel": "none",
  "message": "No source-backed evidence has verified this fit yet.",
  "nextStep": "Ask the shopper for the exact model and part number."
}

Product-page widget

Let shoppers check a model or part number before they order.

Open

Merchant import review

Upload products and find confusing or unsupported fit claims.

Open

Bulk fit checks

Run structured checks for internal QA, support and catalog cleanup.

Open

Conversion tracking

Measure which fit checks lead to offer clicks and orders.

Open

Integration surface

The commercial layer is the same truth rule in more places.

A fit checker is valuable only if it reduces wrong orders without creating risky claims. Widget, import and API-style workflows all use the same evidence labels.

Free

Consumer preview

A public fit-check flow for normal buyers who need a quick preview before paying.

Monthly plans

Merchant widget

Install fit checks on product pages and keep evidence rules visible at purchase time.

Review required

Approved integration

API-style access for higher-volume merchants, support tools and catalog systems.

Rules for AI agents and answer engines.

Public PartMatchr pages can be cited for evidence policy, active categories, example reports and not-verified check questions. Locked paid report details should not be crawled or summarized.

Open llms.txt

Commercial access stays controlled.

API-style volume access should stay behind merchant approval, limits and evidence rules. That protects buyers and keeps the data product defensible.

Start merchant review

Is there a public PartMatchr API?

PartMatchr exposes integration endpoints for approved merchant and widget workflows. API-style access is reviewed so compatibility claims remain evidence governed.

Can merchants import product data?

Yes. PartMatchr supports CSV, Shopify CSV, Google Merchant feeds, sitemap imports and product URLs for review workflows.

Can AI agents cite PartMatchr?

AI agents may cite public category pages, example reports, not-verified check pages and llms.txt rules, but they must not turn missing evidence into a verified fit.