#Claude API
6 related articles
Building AI Agents with Python and the Claude API: Tool Use and MCP in Practice
A hands-on Python AI Agent tutorial with the Claude API: from basic messages.create calls to Tool Use, Agent Loop implementation, the MCP open standard, the Claude Agent SDK, and security best practices.
Claude Pro Doesn't Include API Access? Max and Team Plans Now Add API Credits Explained
Claude Pro has no API access; API is billed separately. But Max and Team plans now include monthly API credits: Max 5x $100, Max 20x $200, Team up to $500 per seat. This article details each tier's credits, how to claim them, and the impact on developers.
Claude API Pricing Explained: Per-Million-Token Costs Across 12 Models
Compare API pricing for 12 Claude models: per-million-token input, cache, and output rates, actual vs. official prices, real costs for chat turns and long documents, plus cache optimization and selection tips.
Claude API Inline Tools: Dynamically Adding Tools Mid-Conversation
Claude API inline tool definitions beta: add, reshape, or upgrade tools mid-conversation via a single system message while preserving prompt cache. We break down the mechanism, three typical use cases, and the impact on agent architecture.
Claude Opus 5.5 Migration: 5 Settings That Will Definitely Trigger 400 Errors
When migrating to Claude Opus 5.5 and Sonnet 5.5, changing only the model name triggers five HTTP 400 errors. This article explains thinking settings, tool_choice, computer tools, conversation history editing, and advisor model pitfalls with solutions.
Deep DivesAI-Assistant Open Source Project Analysis: Building a Local AI Agent with the Anthropic API
Deep analysis of the open-source AI-Assistant project built on Anthropic Claude API for local AI Agents, covering architecture, use cases, security, and agentic AI trends.