ビルダーと AI エージェントのための API プレイブック
LLM の回答を裏付け、エージェントのワークフローを組み立て、AI 機能を本番に投入するためのチュートリアル・比較・ユースケース。

Tavily vs Exa vs Serper vs API Pick: Which Web Search API for LLMs?
Tavily, Exa, Serper, and API Pick all promise to be the search layer for your LLM. They differ sharply on output shape, filters, and how they bill. Here is a side-by-side from someone who ships agents.

Firecrawl vs Jina Reader vs API Pick: URL Content Extraction APIs Compared
If you have ever shipped an agent that reads a list of URLs and summarises them, you have hit the URL-cleanup tax. Firecrawl, Jina Reader, and API Pick Extract solve it differently — here is the practical comparison.

How to Add Real-Time Web Search to an OpenAI or Claude Agent in 4 Steps
Want your agent to ground answers in current information? You need exactly two things: a search API that returns LLM-ready snippets, and a tool definition the model can call. This walkthrough does both in 4 steps.

Building a Morning Briefing Agent with the News Search API
Every founder, PM, and analyst wants the same thing at 8am: a clean digest of what changed overnight. With a News Search API, an LLM, and an HTTP-cron platform, you can ship one in an afternoon.