Long-form guides for product teams evaluating the web data infrastructure stack: AI-native search APIs, scraping platforms, browser infrastructure, and the open-source frameworks they sit on.
Browser infrastructure vs browser agent framework: two orthogonal choices behind agent browsers, scraping browsers and test browsers, and how to combine them.
Published search API latency runs from ~400ms to 13.6s. How to turn Proxyway's p50/p95 and AIMultiple's spread into a latency budget for a real agent loop.
Bing's Search API retired 11 August 2025. A field-by-field map of its request parameters and response objects onto Brave, SerpAPI, Exa, Tavily and the rest.
A deep research API comparison of Exa, Parallel, Perplexity Sonar, Valyu and You.com: pricing shapes, async design, and what the DRACO benchmark measured.
How to evaluate a web search API for RAG on your own traffic: build a 50 to 100 query golden set, pick metrics, judge results, and price cost per answer.
OpenAI's web search tool vs a dedicated search API: what native model search costs, what retrieval control it removes, and how third-party evals score it.
Search API, crawl API or extract API for AI? A framework keyed on whether you already know the URL, plus cost, latency and vendor coverage per primitive.
How to pick a web search tool inside LangChain, LangGraph, LlamaIndex and the Vercel AI SDK, and how to keep the vendor swappable behind your own interface.
Which SERP API supports Google Maps, News, Shopping, Scholar and Jobs? A vendor-doc-verified coverage matrix for SerpApi, Serper, SearchApi.io and DataForSEO.
Web search API cost per query, normalized. How credits, requests, pages, and tokens convert into the only unit that matters: cost per resolved agent answer.
What a third-party web data MCP server costs you in tokens, trust and migration work, plus the compatibility questions to ask before wiring one into production.
A neutral due-diligence checklist for web data vendors: certifications, retention, subprocessors, provenance, the EU AI Act summary duty, indemnities and exits.
WCXB, WebMainBench, article-extraction-benchmark, SWDE – open benchmarks measuring how well extraction tools handle articles, forums, products, and collections.
What WebArena, Mind2Web, OSWorld, BrowseComp, WebVoyager, and ClawBench actually measure – and which one matters for the kind of agent you are building.
A pricing-first comparison of the cheapest SERP APIs in 2026: ScrapingDog at $0.29/1K, DataForSEO $0.60, Serper.dev $1, and ValueSERP around $1.60, plus where SerpApi's subscription pricing actually lands, SearchAPI.io, and which free tiers are worth the integration time.
A practical guide to live web data sources for RAG pipelines – web indexes, search APIs, scraping APIs, and how to combine them for quality and coverage.