API Evangelist
Studying the technology, business, and politics of APIs since 2010.
About API Evangelist
API Evangelist has worked for the last 15 years to make sense of the technology, business, and politics of APIs, profiling public and private APIs and distilling down knowledge into a regular cadence of API storytelling, and weekly knowledge building sessions focused on schema, APIs, governance, operations, change, and evangelism.
Latest Stories
Browse All
The Gateway Is a Tired Concept, Because Gateways Are About Power
I have been around API gateways long enough to have watched them get sold as the answer to every problem in the space, over and over, for more than a decade. And I have come to ...
Skills Over MCP Is Final, And Now It Needs Servers
The Model Context Protocol has a Skills extension now. SEP-2640 was marked Final when its pull request merged on September 13th, and the work lives in modelcontextprotocol/ext-s...
Put The LLM On A JSON Schema Leash, And Give Markdown A Vocabulary
I went to the JSON Schema office hours today, and the second half of the call turned into an idea I have not been able to stop thinking about since. It began with a small aside....
Constant Contact Is Putting Prompt Engineering In Its OpenAPI
Constant Contact has two keys in their own namespace — x-ctctmcp-allow and x-ctctmcp-tool-desc. The first is a boolean marking an operation as agent-exposed, which by now is a f...
Arazzo Functions Are Still a Proposal, and That Is the Point
The four pull requests I have written about this week share a trait: each one points a workflow step at something that already has a description. An OpenAPI. An AsyncAPI. A WSDL...
Understanding Our Relationship With Technology
API Evangelist has been working to understand our relationship with Internet technology for the last fifteen years, but it has primarily been focused on understanding the producers of the technology, where moving forward I am more interested in understanding the consumers of not just APIs, but the applications they build on top of APIs.
Guidance
Browse AllAbout the API Evangelist Site
This site is the active daily working toolbox for Kin Lane. Feel free to explore the toolbox, you won't break anything. API Evangelist works out in the open to encourage the reuse of our work, while also demonstrating the potential of evangelizing your API work as it occurs.
Newsletters
Two emails, both Monday mornings. Take either, or both.
API Evangelist
Highlights of the stories, conversations, and API knowledge published across the industry each week.
The Specification Layer
What actually merged into the thirty specifications the Linux Foundation stewards — OpenAPI, AsyncAPI, JSON Schema, and the rest.
Discover APIs
Search across thousands of APIs on apis.io →