Errors & Reliability

Technical deep-dives, architectural patterns, and industry updates for the modern AI engineer.

Errors & Reliability

Dify Chatflow Streams Only at the End: Debug Agent, Fail Branch, and Answer Waits

When a Dify Chatflow answer appears in one burst at completion, test the same prompt and model across the upstream LLM, SSE transport, Agent logs, Fail Branch, and Answer variable order. This guide provides a runnable timing recorder, clear control runs, and a decision path that preserves error handling while you identify the layer that delays user-facing message chunks.

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Errors & Reliability

What Is a Base URL? API Structure, Protocol Choice, and 401/404 Troubleshooting

A Base URL is the root address of an API server or gateway. A client appends a specific endpoint to it to form the final request URL. This guide explains the difference between a Base URL, an endpoint, and a full URL; shows how to choose the correct BetterToken address for OpenAI-compatible clients and Claude Code; and provides a controlled sequence for diagnosing 401, 404, 405, model not found, HTML responses, timeouts, and stale configuration.

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