CLAUDE LABJP
RATELIMIT — Claude API rate limits were raised. Sonnet and Haiku limits now match Opus at every usage tier, leaving more headroom for parallel workloadsTIERS — Usage tiers were consolidated into three: Start, Build, and Scale — a clearer picture of where your usage sitsRETIRE — The Developer Platform retired Claude Sonnet 4 and Opus 4 (…-20250514). Code referencing those old model IDs needs migratingFABLE5 — Claude Fable 5 is now included in Max and Team Premium plans, available at 50% of the limitFASTEND — Fast mode for Claude Opus 4.7 is removed on July 24 — two days left. Move any speed: 'fast' calls to fast mode on Opus 4.8CCODE — Claude Code keeps shipping stability updates: background sessions for /fork, smarter /resume and /background, and stronger safeguards for WebSearch, subagents, and BashRATELIMIT — Claude API rate limits were raised. Sonnet and Haiku limits now match Opus at every usage tier, leaving more headroom for parallel workloadsTIERS — Usage tiers were consolidated into three: Start, Build, and Scale — a clearer picture of where your usage sitsRETIRE — The Developer Platform retired Claude Sonnet 4 and Opus 4 (…-20250514). Code referencing those old model IDs needs migratingFABLE5 — Claude Fable 5 is now included in Max and Team Premium plans, available at 50% of the limitFASTEND — Fast mode for Claude Opus 4.7 is removed on July 24 — two days left. Move any speed: 'fast' calls to fast mode on Opus 4.8CCODE — Claude Code keeps shipping stability updates: background sessions for /fork, smarter /resume and /background, and stronger safeguards for WebSearch, subagents, and Bash
ARTICLES

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All (786) Claude AI (133) Claude Code (320) Cowork (54) API & SDK (279)
API & SDK/2026-04-22Advanced

Implementing Progressive Delivery with the Claude Agent SDK: Canary, Feature Flags, and Automatic Rollback Patterns for Production

Production-grade patterns for safely rolling out AI agents built with the Claude Agent SDK. Combines canary traffic splitting, feature flags, and SLO-driven automatic rollback with runnable TypeScript/Hono implementation code.

API & SDK/2026-04-22Advanced

Building Fault-Tolerant Long-Running AI Workflows with Claude Agent SDK × Temporal.io — A Production Design Guide to Durable Execution and Saga Patterns

A complete production guide to combining Claude Agent SDK with Temporal.io to build AI workflows that survive crashes, restarts, and multi-day human approval gates. Durable Execution, retry policies, saga compensation, and signal integration patterns.

API & SDK/2026-04-22Intermediate

Handling Frequent 529 Overloaded Errors from the Claude API — A Practical Playbook

A 529 Overloaded response from the Claude API is a very different animal from a 429 rate limit. Here is the retry, fallback, and circuit breaker playbook I actually use in production to keep services responsive when Anthropic's platform is temporarily saturated.

API & SDK/2026-04-21Advanced

Inserting Approval Gates Into Your Agents — A Production Design for Human-in-the-Loop With the Claude API

Once you put an agent in production, the requirement 'please get a human to approve just this specific decision' appears within days. This guide walks through the design patterns for retrofitting approval gates and handling suspend/resume correctly, with working code.

API & SDK/2026-04-20Intermediate

Integrating Claude API into a Wallpaper App — A Full Implementation Record

From someone who's been building wallpaper and healing apps since 2014, here's a complete record of how I integrated Claude API for content curation, multilingual App Store copy generation, and auto-tagging — with full working code.

API & SDK/2026-04-20Advanced

Three Hidden Pitfalls When Implementing Claude API Streaming

Real-world lessons from building with Claude API streaming: runtime environment mismatches, error handling gaps, and silent token cost overruns — with working TypeScript examples.

API & SDK/2026-04-18Advanced

Building a Real-Time AI Processing Pipeline with Claude API and Apache Kafka

Learn how to integrate Claude API into Apache Kafka event streams with production-grade patterns. Implement smart buffering, model routing, and Dead Letter Queues to run large-scale real-time AI analysis at low cost.

API & SDK/2026-04-17Advanced

Building a GitHub PR Review Bot with Claude API — From Webhook Signature Verification to Structured Reviews with Tool Use

Build a production PR review bot with Claude API and GitHub Webhooks. Enforce structured scoring, security scanning, and suggestions via Tool Use — with signature verification, debouncing, rate limits, and cost tracking drawn from real-world operation.

API & SDK/2026-04-16Advanced

Claude API with Go: Production— Anthropic Go SDK, Concurrency, Tool Use & Microservice Integration

A practical guide to using Claude API with Go in production. Covers streaming with goroutines, concurrent Tool Use, rate limiting with channels, Gin/Echo integration, graceful shutdown, and Kubernetes deployment with working code examples.

API & SDK/2026-04-16Intermediate

Claude API JSON Output Fails: 5 Root Causes and Fixes

Fix Claude API JSON parsing errors with these 5 common root causes: markdown code block wrapping, truncated output, injected commentary, Unicode escaping, and streaming parse failures. Includes copy-paste ready Python utility code.

API & SDK/2026-04-14Advanced

Claude API × Kotlin Multiplatform — Building Production AI Features for iOS and Android

Integrating Claude API with Kotlin Multiplatform (KMP) to ship production-quality AI assistant features on iOS and Android. Streaming, error handling, retry strategies, and testing — written from a personal app developer's production experience.

API & SDK/2026-04-13Advanced

Building Enterprise AI Backends with Claude API and NestJS: Production

A complete production guide to integrating Claude API into NestJS using dependency injection, TypeORM, SSE streaming, JWT auth, and Bull queues—with working code you can deploy today.