Runnable code samples for retailerapi.com — the unified product API covering Walmart, Amazon, eBay, Lowe's, Target, Best Buy, Home Depot. Each subdirectory is a standalone, self-contained example you can copy-paste into your own project.
Sign up free — 1,000 lookups per month, no card required. Your rk_live_* key lands on app.retailerapi.com/app/keys.
Then export it:
export RETAILERAPI_KEY=rk_live_…| Path | Stack | What it shows |
|---|---|---|
node-quickstart | Node 20 + fetch | Bearer auth, look up a product, parse price + cross-retailer cells |
python-quickstart | Python 3.11 + requests | Same flow in Python; Pydantic types for the response |
curl-bash | curl + jq | Shell one-liners for every endpoint |
mcp-claude-desktop | @retailerapi/mcp | Drop into claude_desktop_config.json so Claude can call the API as tools |
custom-gpt-action | OpenAI GPT Actions | The OpenAPI spec + GPT instructions to ship a "retailerapi Product Lookup" GPT |
next-app-router | Next.js 15 RSC | Server Component fetches a product, edge-cached |
vercel-edge-function | Vercel Edge Runtime | Single-function deploy that proxies through your key |
supabase-edge-function | Supabase Edge (Deno) | Same pattern in Deno; useful when you want the lookup to write to your own DB |
All examples use the documented v1 API:
GET /v1/products/{id}— UPC, EAN, ISBN, ASIN, or Walmart item_id → flat productGET /v1/products/{id}/history?timeframe=30d— time-series pricesPOST /v1/products/{id}/refresh— force fresh fetchGET /v1/products/{id}/reviews— reviews summary + top reviewsGET /v1/sellers/{id}— Walmart marketplace seller profile
Full reference: docs.retailerapi.com.
MIT. Use these as starters for your own code.