mora, Author at LLM Fly Blog

How to Configure Cursor With a Custom OpenAI-Compatible API

Aug 31, 2026

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Last reviewed: August 30, 2026. API interfaces and product settings change; verify current official documentation before production deployment. A Cursor custom API base URL can connect supported editor workflows to an OpenAI-compatible gateway, but a saved key is not proof of full compatibility. Developers should validate the endpoint, model ID, streaming, tool behavior, and usage…

OpenAI Responses API Migration Guide: Replace Chat Completions and Assistants Safely

Aug 31, 2026

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mora

in OpenAI API Guides

Last reviewed: August 30, 2026. API interfaces and product settings change; verify current official documentation before production deployment. A Responses API migration is an application-architecture change, not a search-and-replace operation. Request fields, output items, conversation state, tool calls, streaming events, storage, and compatibility boundaries all need explicit tests before old endpoints are removed. In this…

Prompt Caching for AI APIs: When It Saves Money—and When It Costs More

Aug 31, 2026

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mora

in AI Cost Optimization

Last reviewed: August 30, 2026. API interfaces and product settings change; verify current official documentation before production deployment. LLM prompt caching can reduce repeated input processing, latency, and cost when many requests share a stable prefix. It can also add cache-write cost without meaningful hits when prompts change constantly or traffic is too sparse. Measure…

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

Aug 30, 2026

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mora

in AI Performance

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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mora

in Claude Guides

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…

Can the OpenAI API Access Current Information? Web Search vs RAG

Aug 30, 2026

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mora

in AI Development Guides

Learn how OpenAI API current information works with model knowledge cutoffs, Responses API web search, file search, RAG, citations, and freshness checks.

OpenAI API Quickstart for Backend Developers: From First Request to Production

Aug 29, 2026

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mora

in OpenAI API Guides

Follow this OpenAI API quickstart from a first Responses API request to secure environment setup, validation, retries, monitoring, and production deployment.

OpenAI Admin API and Audit Logs: A Production Guide for AI Teams

Aug 29, 2026

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mora

in AI Operations

Use the OpenAI Admin API and Audit Logs to manage projects, users, service accounts, API keys, spend controls, permissions, and security workflows.

OpenAI API mTLS Guide: Certificates, Setup, and Gateway Compatibility

Aug 29, 2026

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mora

in AI Security

Configure OpenAI API mTLS with CA certificates, client keys, project scopes, rotation, staging tests, bearer credentials, and gateway compatibility checks.