API Development

Articles, guides and tutorials on building and consuming APIs, covering REST, GraphQL, API design principles and developer best practices.

Build Voice Agents: OpenAI Realtime API Guide

Building low-latency audio pipelines with the OpenAI Realtime API lets developers launch human-like conversational voice agents in production. Traditionally, building a voice interface meant chaining three separate model layers: automatic speech recognition (ASR), a text-based LLM logic layer, and text-to-speech (TTS)...

Claude Opus 4.8 vs. OpenAI GPT-5: Which API is Best?

Choosing between the Claude Opus 4.8 vs OpenAI GPT-5 developer APIs is one of the first critical decisions for teams building enterprise AI applications in 2026. As organisations integrate Large Language Models (LLMs) into production codebases, the model provider you pick dictates your platform’s capabilities, latency...

Claude Fable 5 Hybrid Reasoning: Thinking vs. Speed Modes

Anthropic’s new Claude Fable 5 reasoning engine keeps deep thinking switched on for every request and lets developers dial reasoning depth up or down instead. Historically, Large Language Models (LLMs) operated on fixed compute parameters, generating tokens at a uniform speed regardless of query complexity. Simple...

Building AI Agents with Cloudflare Workers and LangChain

Building a Cloudflare Workers AI agent is the next step in moving from simple AI prompts to autonomous workflows. These systems, known as AI agents, use Large Language Models (LLMs) to call external tools, make decisions, and execute tasks on their own. While running agents traditionally required heavy servers, this...

DeepSeek R1 vs. OpenAI o3-mini: Which API is Best?

Choosing between DeepSeek R1 vs OpenAI o3-mini is a critical decision for developers integrating reasoning APIs into software applications in 2026. When it comes to reasoning APIs, these are the two strongest candidates most teams end up weighing. Both models excel at complex tasks, code generation, mathematical...

Build a Cloudflare Workers API: Serverless Guide 2026

Cloudflare Workers let you run backend code at the edge, close to your users, without managing servers. For APIs, that combination of near-zero cold starts, global distribution, and tightly integrated storage makes Workers a compelling platform in 2026. This guide explains how a Cloudflare Workers API is structured and...

Claude API vs OpenAI API: A Developer's Comparison 2026

This is a developer-focused Claude API vs OpenAI API comparison of the two most widely used large language model APIs: Anthropic’s Claude API and OpenAI’s API. It is not about which chatbot feels smarter in casual use; it is about what matters when you are building software on top of them: integration, tool use,...

Retrieval-Augmented Generation (RAG) Explained 2026

A general-purpose AI model knows a lot about the world and nothing about your business. It has never seen your product manuals, your internal policies, or last quarter’s reports. Retrieval-augmented generation (RAG) is the technique that closes that gap: it lets a model answer questions using your documents, accurately...

REST API vs GraphQL in 2026 - How to Choose the Right One

Search interest in “REST vs GraphQL” has remained consistently high throughout the 2020s, with the debate gaining renewed urgency as more teams build frontend-heavy products with complex data requirements. GraphQL has been in production since Facebook open-sourced it in 2015 and is now mature, well-tooled, and...