News & Shopping Search with Serper

Access Google News and Google Shopping through x402-protected endpoints.

Setup

See rules/getting-started.md for installation and wallet setup.

Quick Reference

News Search

Search Google News for articles:

npx agentcash fetch https://stableenrich.dev/api/serper/news -m POST -b '{"q": "artificial intelligence regulation"}'

Parameters:

• q – Search query (required)
• num – Number of results (default: 10)
• gl – Country code (e.g., “us”, “uk”, “de”)
• hl – Language (e.g., “en”, “es”, “fr”)
• tbs – Time filter (qdr:h, qdr:d, qdr:w, qdr:m, qdr:y)

Time Filters

Example – news from past week:

npx agentcash fetch https://stableenrich.dev/api/serper/news -m POST -b '{"q": "AI startups funding", "tbs": "qdr:w"}'

Country/Language Filtering

npx agentcash fetch https://stableenrich.dev/api/serper/news -m POST -b '{"q": "technology news", "gl": "uk", "hl": "en"}'

Returns:

• Article title and snippet
• Source/publication name
• Published date
• Article URL
• Thumbnail image (if available)

Shopping Search

Search Google Shopping for products:

npx agentcash fetch https://stableenrich.dev/api/serper/shopping -m POST -b '{"q": "wireless noise cancelling headphones"}'

Parameters:

• q – Search query (required)
• num – Number of results (default: 10)
• gl – Country code for pricing/availability
• hl – Language

Returns:

• Product title
• Price and currency
• Merchant/store name
• Product URL
• Rating (if available)
• Thumbnail image

Shopping with Location

Get local pricing and availability:

npx agentcash fetch https://stableenrich.dev/api/serper/shopping -m POST -b '{"q": "MacBook Pro M3", "gl": "us"}'

Workflows

News Monitoring

• (Optional) Check balance: npx agentcash wallet info
• Search with appropriate time filter
• Review and summarize top stories

npx agentcash fetch https://stableenrich.dev/api/serper/news -m POST -b '{"q": "company name OR competitor name", "tbs": "qdr:d", "num": 20}'

Breaking News Research

• Search with qdr:h for past hour
• Identify key sources and facts
• Note developing aspects

npx agentcash fetch https://stableenrich.dev/api/serper/news -m POST -b '{"q": "breaking news topic", "tbs": "qdr:h"}'

Product Research

• Define search criteria (category, price range)
• Search Google Shopping
• Compare prices across merchants
• Present top options with pros/cons

npx agentcash fetch https://stableenrich.dev/api/serper/shopping -m POST -b '{"q": "ergonomic office chair under $500", "num": 20}'

Price Comparison

• Use exact product name/model
• Compare merchant prices
• Note shipping and availability

npx agentcash fetch https://stableenrich.dev/api/serper/shopping -m POST -b '{"q": "exact product name model number"}'

Response Data

News Article Fields

• title – Article headline
• snippet – Article excerpt
• source – Publication name
• date – Published date
• link – Article URL
• imageUrl – Thumbnail (if available)

Shopping Product Fields

• title – Product name
• price – Price with currency
• source – Merchant/store
• link – Product URL
• rating – Star rating (if available)
• reviews – Number of reviews
• imageUrl – Product image
• delivery – Shipping info (if available)

Tips

News Search

• Use quotes for exact phrases: "climate change"
• Use OR for alternatives: AI OR "artificial intelligence"
• Be specific to get relevant results
• Use time filters to avoid old news

Shopping Search

• Include brand/model for specific products
• Add “under $X” or “best” for filtered results
• Check gl parameter for accurate local pricing
• More results = better price comparison

Cost Estimation

Both endpoints are $0.04 per call.