API Evangelist
@apievangelist.com
I am the API Evangelist, making sense of the technology, business, policies, and the people of APIs since 2010 by surveying and assessing the public and private API landscape.
You can't govern, secure, or automate what you can't find. https://papers.apievangelist.com/papers/fundamentals-of-api-discovery/
Cigna Healthcare tops the US insurance stack when it comes to APIs and programmability, but with only a strong composite Kin Score, and only agent-aware, there is a massive opportunity in the insurance space. providers.apievangelist.com/us-insurance/
Some of the work and narrative behind why I felt it was critical to separate the Spectral spec from the tooling, and will keep investing in it until there is a home. apievangelist.com/2026/08/05/t...
The Tool Is One Implementation Among Many
When I say the ruleset format matters more than the linter that runs it, that is a claim, and a claim is worth almost nothing without a list behind it. So I ...
apievangelist.com
Markdown is production configuration now. AGENTS.md, CLAUDE.md, skills, rules — they drive what agents do, and almost nobody governs them. https://papers.apievangelist.com/papers/explicit-agent-boundaries/
A small deep-tech book that instruments its own agents and builds almost nothing at the top. Every DCVC company that ships an API, scored. https://papers.apievangelist.com/papers/dcvc-api-portfolio/
Your Spectral ruleset reaches the IDE and the pipeline. It does not reach the conversation — which is now where APIs actually get designed. https://papers.apievangelist.com/papers/conversational-api-governance/
A broad, long-vintage generalist book that still has no reference-grade API. Every Canaan Partners company that ships an API, scored. https://papers.apievangelist.com/papers/canaan-partners-api-portfolio/
Apigee comes out on top in my latest state of the API management market report. providers.apievangelist.com/management/
A small, focused seed book of exactly the infrastructure agents will consume — that has not yet been packaged for agents itself. Scored the way a machine reads it. https://papers.apievangelist.com/papers/bloomberg-beta-api-portfolio/
The highest mean in venture, and the softest peak behind it. Every Bessemer company that ships an API, scored. https://papers.apievangelist.com/papers/bessemer-venture-partners-api-portfolio/
A deep-contract infrastructure book whose OpenAPI surface outruns its governance. Every Battery Ventures company that ships an API, scored. https://papers.apievangelist.com/papers/battery-ventures-api-portfolio/
A broad, enterprise-mature book whose one exemplar has already exited — and whose live agent-native edge sits in its newest fintech leads. Every BCV company that ships an API, scored. https://papers.apievangelist.com/papers/bain-capital-ventures-api-portfolio/
You should not be building integrations anymore. You should be describing them. https://papers.apievangelist.com/papers/arazzo-api-integration-page/
Twenty-five of the most important venture funds, ranked on one axis: whether their portfolios are ready for agents that act. https://papers.apievangelist.com/papers/agentic-readiness-of-venture/
The broadest contracts in venture, and the thinnest agent-execution layer. Every Accel company that ships an API, scored. https://papers.apievangelist.com/papers/accel-api-portfolio/
Every Andreessen Horowitz company that ships an API, scored the way a machine reads it. A thesis is a claim. The APIs are the evidence. https://papers.apievangelist.com/papers/a16z-api-portfolio/
Every 500 Global company that ships an API, scored the way a machine reads it. A global seed book that is agent-native at the edges and governance-empty at the core. https://papers.apievangelist.com/papers/500-global-api-portfolio/
1,369 participants. 487 organizations. 93 repositories. Nothing graduated, and exactly one operator on earth publishing a contract you can call. Telecom standardised itself without being told to — then stopped one step short of shipping. https://papers.apievangelist.com/papers/the-camara-standard/
