BuyWhere is the product that directly matches the request: it compares products and prices across 900,000+ retailers and offers a REST and MCP API for builders 111. Reverb's comparison shopping endpoints and Scrapewise's competitor price comparison output are the closest alternatives, though Reverb is a marketplace-specific API and Scrapewise builds price matching from scraped data 169.
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BuyWherebuywhere.aiverified and signed
Compares products, prices and availability across 900,000+ retailers in Singapore and the United States, with a REST and MCP API for builders 1; its cross-storefront product comparison action compares products, prices, attributes and availability across independent storefronts 11.
official:MCP server · BuyWhere MCP+3 community tools built for it
for agents: Cross-Storefront Product Comparison · Cross-Storefront Product Comparison · Cross-Storefront Product Comparison
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Reverb APIreverb.comverified and signed
Its comparison shopping endpoint returns a set of comparison shopping pages for given parameters, and another returns new or used listings for a comparison shopping page 16.
official:API · reverb
for agents: GET /comparison_shopping_pages · GET /comparison_shopping_pages · GET /comparison_shopping_pages/{id}/listings
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Scrapewisescrapewise.aiwebsite read, tools not yet checked
Provides web data APIs that end in a competitor price comparison, delivering clean rows by REST API, CSV, Excel or MCP 9.
official:MCP server · Scrapewise
Sources
- 1BuyWhere — Compare products and prices across 900,000+ storesbuywhere.ai · read 2026-10-29
- 9Web data APIs and matched competitor prices | Scrapewisescrapewise.ai · read 2026-10-29
- 11BuyWhere: declares "Cross-Storefront Product Comparison" (the record we read and signed)unfragile.ai · read 2026-10-24
- 16reverb: declares "GET /comparison_shopping_pages" (the record we read and signed)unfragile.ai · read 2026-10-24
For agents: the 10 actions behind this answer
Cross-Storefront Product Comparison · BuyWhere verified and signed
Compare products, prices, attributes, and availability across 900,000+ independent storefronts worldwide. e.g. Compare iPhone 16 Pro Max prices across stores that ship to Singapore e.g. Find equivalent robot vacuums across US and EU storefronts with best delivered price
cws-list-category-apis · Cloudflare API verified and signed
List category APIs
template-comparison · template-comparison verified and signed
Compares two or more dotnet new templates side by side to help users choose between them based on parameters, feature support, frameworks, and classifications. USE FOR: deciding between similar templates (webapi vs webapp, blazor vs blazorwasm, console vs worker), producing a side-by-side comparison
winmd-api-search · winmd-api-search verified and signed
Find and explore Windows desktop APIs. Use when building features that need platform capabilities — camera, file access, notifications, UI controls, AI/ML, sensors, networking, etc. Discovers the right API for a task and retrieves full type details (methods, properties, events, enumeration values).
custom_api_call · OpenAI (Activepieces) verified and signed
Custom API Call — Make a custom API call to a specific endpoint
GET /comparison_shopping_pages · reverb verified and signed
Returns a set of comparison shopping pages based on the current params
· Rapidapi website read, tools not yet checked
Explore your APIs
· Swanum Comps website read, tools not yet checked
Quickstart, authentication, endpoints, response schema, errors and code samples in curl, Python, JavaScript and PHP for the Comps sold prices API.
· Scrapewise website read, tools not yet checked
Scrape, clean, match: ready data APIs and AI scrapers that end in a competitor price comparison. Pay as you go, 5 free requests. REST API, CSV, MCP.
saleor-storefront · saleor-storefront verified and signed
Saleor e-commerce API patterns for building storefronts. Use when working with Saleor's GraphQL API, products, variants, checkout, channels, permissions, or debugging API behavior. Framework-agnostic — applies to any Saleor storefront.
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.