Technical Library

Technical Articles: AI APIs, Routing & Cost

Practical guides to AI API integration, OpenAI-compatible protocols, Responses API, reliable routing, token usage, and cost tracking.

OpenAI-Compatible API Guide: Change the Base URL
Learn what OpenAI compatibility covers, how to move an existing client to Modelflare, and which boundaries to verify before production traffic.
Responses API vs Chat Completions
Compare request formats, streaming, tools, and provider compatibility before choosing Responses API or Chat Completions for an AI application.
Reliable AI API Routing & Diagnostics
Design reliable AI API routing with explicit fallback order, group RPM limits, and per-request timing evidence for diagnosing failures.
AI API Cost Tracking: Tokens and Model Groups
Understand how model prices, token usage, group multipliers, and request logs combine into auditable AI API cost records.