#Claude API の記事

Building Apps with Claude | Choosing Between SDK, API, and MCP with Configuration Examples

Claude API Pricing | Cost Optimization with Per-Model Rates and Reduction Techniques

A practical breakdown of Claude API costs: per-token rates for the latest models, monthly estimates, 90% savings with prompt caching, and 50% discounts via Batch API. June 2026 edition.

How to Use Claude API on Google | Vertex AI Setup and Pricing

A practical guide to calling the Claude API via Google Cloud Vertex AI Model Garden — covering activation, authentication, Python samples, pricing, regions, and how it compares to the direct Anthropic API.

Region Settings for Using Claude on Vertex AI | global vs us & eu

How to Call Claude on Vertex AI | Model IDs, Authentication & Pricing

A step-by-step guide to enabling and calling Claude on Vertex AI. Covers model ID syntax, GCP project prerequisites, SDK authentication setup, endpoint differences, and pricing.

OpenAI vs Claude API Comparison | Pricing, Performance, and Migration Guide

Cline + Claude Cost Guide | API Pricing vs. Subscription & Money-Saving Tips

A clear breakdown of what it costs to use Claude with Cline, and how to cut that bill. Cline itself is free — you only pay Anthropic API usage fees. Claude Pro/Max subscriptions cannot be used with Cline. Learn how prompt caching can dramatically reduce your monthly spend.

Claude × n8n Integration | API Setup, AI Agent & MCP Usage Guide

A complete guide to building AI Agent and MCP workflows by integrating Claude with n8n. Implement no-code automations like 'email summarization → Slack forwarding' and 'inquiry classification → routing' — and with MCP integration established from 2025 onward, you can design and run n8n workflows using natural language directly from Claude Desktop or Claude Code.

How to Use Claude Remote MCP | OAuth Authentication and API Setup Explained

A complete guide to connecting Claude Remote MCP from both Claude.ai and the Claude API. On Claude.ai, just paste the URL in Connectors and complete OAuth in one click. For the API, use the beta header mcp-client-2025-11-20 to connect multiple servers simultaneously. Free plans allow one simultaneous connection; Pro and above support multiple connections.

What Are Claude Managed Agents | Dreaming, Outcomes, and Feature Overview

A guide to using Dreaming and Outcomes in Claude Managed Agents. Defining rubrics improves task success rates by up to 10 points, and multi-agent setups can be individually audited in the Console.

Anthropic Enterprise Claude Implementation Support | Demand for Field Engineers

What Anthropic's new enterprise implementation company — co-founded with Blackstone and others — means for the industry, and how it opens up Claude project opportunities for individual engineers. We break down the shift from API provider to on-site partner model, and the realistic path to winning work through industry-specific modules.

Sonnet 4.5's 1M Token Beta Ends | Complete Migration Guide to Sonnet 4.6

What was deprecated is the Sonnet 4.5 beta header (context-1m-2025-08-07), not Sonnet 4.6 itself — Sonnet 4.6 ships with 1M token support as a standard feature. Migration requires just two changes: updating the model ID and removing the header, completable in a few lines.