Tutorials, best practices, case studies, and deep dives — curated by our engineering team for developers and architects.
Manual API uploads through the web interface work fine for the occasional change, but they tend to run into limits in modern CI/CD setups. This article walks through what an API CLI needs to do and how it fits into a CI/CD workflow in practice.
Manual reviews and automated linting do different jobs. Combine them well and the result is a review process that is more reliable, faster, and stronger on substance than either approach on its own.
Reading an API spec by hand for breaking changes is slow and rarely catches everything. API diff makes the comparison automatic, surfaces the changes that matter, and rates them by impact. What a good diff workflow needs to deliver, which levels matter, and how API diff lands reliably in the CI/CD pipeline.
API versioning needs clear rules. Without a strategy, teams quickly end up with several parallel versions, unclear ownership, and open questions about when older interfaces actually get turned off. An API versioning strategy spells out how new versions come about, how breaking changes are handled, and which versioning patterns actually make sense in production.
Static API documentation describes how an API can be used. Interactive API documentation goes a step further. This article looks at what try-it-out, mock servers, and live tests actually deliver, when each form of interactivity earns its keep, and where added value tips over into unnecessary complexity overhead.
The more APIs an organization runs, the harder it gets to keep track. This article explains what an API catalog actually does, how it differs from an API gateway, and which functions matter day to day.
An API that works well for human developers isn't automatically AI-ready. LLMs need clearer descriptions, stricter schemas, and different operational assumptions than classic developer integrations. What matters in practice is whether an API is shaped so AI agents can reliably pick it, call it correctly, and use it within sensible limits.
A single tool call answers a specific question. An agentic workflow goes further. It coordinates multiple tools, holds intermediate state, evaluates tool outputs, and assembles a coherent result. The real difference isn't the number of calls. It's the decision logic in between. This article looks at what actually changes when you move from single call to workflow, which patterns have proven themselves, and what teams need to get right around steering, guardrails, termination, and observability.
Function calling, tool use, and MCP sound similar, but they live on three different layers. Which term means what, who coined it, and how they actually relate in practice.
If you already maintain an OpenAPI spec, you've done most of the groundwork for an MCP server. The interesting part isn't the technical mapping. It's deciding which endpoints actually belong in front of an agent, and how auth, quotas, and audit hold up in practice.
MCP has been around since late 2024 and is now supported by Claude, ChatGPT, Cursor, and a growing list of agents. The standard describes how agents reach external tools, data sources, and API functions. This article walks through what the Model Context Protocol actually delivers, how it relates to OpenAPI, and why enterprise teams should take MCP seriously in 2026.
Plenty of API specs are still on Swagger 2.0. The format is still around, but it stopped evolving years ago. Migrating to OpenAPI 3.0 today is rarely just a version-number swap.
With spec-first, the OpenAPI specification comes first and the code follows. This article shows how the approach works, which terms cluster around it, and when the switch actually pays off.
Style guides live on wiki pages in plenty of organizations, but in day-to-day work they rarely get applied with any real consistency. OpenAPI linting turns them into an executable rule set that fires inside the pull request. This article walks through what style, security, performance, and compliance rules actually cover, and how that becomes a quality gate that holds up in the pipeline.
OpenAPI 3.2 has been out since September 2025. Three of its new features address pain points teams actually run into; the rest is smaller, but useful in specific spots. What 3.2 really delivers, and who benefits from making the jump.
Swagger and OpenAPI get used as synonyms, but they aren't the same thing. What's actually the standard in 2026, when migration becomes unavoidable, and which version is meant for what.
API Governance defines how APIs are designed, released, and operated. Not as a bureaucratic overhead, but as a steering mechanism for quality, consistency, and security in growing API landscapes.
An API developer portal is far more than documentation. It makes APIs discoverable, understandable, and usable — for developers, partners, and business teams alike.
How organizations strategically manage their API landscape: capabilities over endpoints, ownership models, lifecycle planning, and what it means for budget decision-makers.
How effective customer retention and targeted monetization lead to sustainable growth thanks to API analytics and personalized developer experience.
Swagger is easier than you think! This short introduction helps you get started with your API documentation immediately.
Learn how Swagger supports the API-First approach and improves development through well-defined specifications.
Treating APIs as products, from internal connector to monetizable asset. What makes an API product, the role of lifecycle, pricing, and developer experience, and why it's a lucrative market.
The economic value of APIs: how open interfaces accelerate processes, connect systems with each other, and create new revenue models. With examples from industry, retail, and finance.
Flexibility and efficiency through APIs. Why standardized interfaces resolve friction in complex business processes, and how API-first strategies shorten time-to-market.
APIs in the travel and tourism industry: how booking, availability, and loyalty APIs connect providers, platforms, and end customers. Concrete use cases and the standards that have caught on.
The connected car as a data platform. Which APIs link vehicles to backends, apps, and third parties, from telemetry to OTA updates to mobility services. Standards, risks, and business models.
APIs in e-commerce, and how open interfaces connect online shops, marketplaces, and partner ecosystems. From payment to logistics to personalization — practice and patterns for online retail at scale.
Open Banking, and how APIs are opening up finance. PSD2, account information services, and new business models. What banks are building, what fintechs do with it, and why standardized APIs are becoming mandatory.
The history and inner workings of Swagger, from a Wordnik side-project to today's OpenAPI Specification. What Swagger delivers, how it simplifies API documentation and integration, and the role the OAS plays now.
RAML as an alternative to OpenAPI: how the RESTful API Modeling Language provides reusable building blocks for API design, and when the YAML-based approach pays off.
API testing as a foundation for quality and security. Which test types matter, how automated tests fit into CI/CD, and which tools have proven themselves.
API business objects define the domain data structures an interface exposes. What good business objects look like, why they drive API adoption, and what to watch when modeling them.
OpenAPI Specification (OAS) the open API standard for a strong application networking and high digitalisation for software systems.
Find out which API description language is the most suitable. ✅ Open API ✅ SWAGGER ✅ RAML
APIs in logistics, from EDI predecessors to modern tracking, routing, and dispatch interfaces. How open APIs make supply chains transparent and lift efficiency on the last mile.
// Learning Paths
Curated learning paths that take you from beginner to API expert.
From REST basics and OpenAPI to your first published API documentation.
From OAuth2 to mTLS to Zero Trust — everything you need for secure APIs.
Governance frameworks, organizational design, and scaling strategies for large enterprises.
Experience the platform for modern API management.