Reliability & Debugging Archives

OpenAI API Streaming Not Working in 2026? 10 Best Fixes for SSE and Broken JSON

Sep 8, 2026

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by

in API Integration, Reliability & Debugging

OpenAI API streaming not working in 2026? Use these 10 best fixes for SSE buffering, proxy issues, broken JSON chunks, timeouts, headers, and retries.

Claude API Outage in 2026: 10 Best Practices for Retries, Failover, and Recovery

Sep 8, 2026

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by

mora

in Coding & Agents, Reliability & Debugging

A 2026 Claude API outage playbook with 10 best practices for retries, Retry-After, 429 vs 529, circuit breakers, safe failover, queues, and recovery.

OpenAI API Deprecations in 2026: Migration Deadlines

Sep 7, 2026

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by

mora

in API Integration, Reliability & Debugging

A developer migration calendar for every major OpenAI API shutdown remaining in 2026, with replacement models, checklists, and production rollout guidance.

Claude Fable 5.1 Thinking Block Error: Fix the 400 “Different Conversation” Error

Sep 3, 2026

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by

mora

in AI Development Guides, AI Operations, Claude Guides, Reliability & Debugging

Fix the Claude Fable 5.1 thinking block error: append-only history, prefix mismatch, drop_block, beta headers, fallbacks, and logging.

AI API Timeout and 500 Errors: A Production Retry Strategy That Avoids Duplicate Charges

Aug 30, 2026

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by

mora

in AI Performance, Reliability & Debugging

Last reviewed: August 30, 2026. API interfaces and product settings change; verify current official documentation before production deployment. An AI API timeout retry can improve reliability or create duplicate work, duplicate tool side effects, and extra charges. Production systems need separate deadlines, error classification, idempotency, backoff, circuit breaking, and a clear recovery policy. In this…

Claude API 529 Error vs 429: Causes, Retries, and Production Recovery

Aug 30, 2026

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by

mora

in Claude Guides, Reliability & Debugging

A Claude API 529 error and a 429 error can look almost identical inside an application: the request fails, the user waits, and a retry may work. But they describe different failure modes. A 529 response means the Claude API is temporarily overloaded across users, while a 429 response normally means your organization has exceeded…

OpenAI API Key Not Working? How to Fix 401 and Incorrect API Key Errors

Aug 27, 2026

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by

mora

in OpenAI API Guides, Reliability & Debugging

Fix OpenAI API key not working and 401 authentication errors by checking credentials, Base URL, environment variables, project access, and key rotation.