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<p>Stub: software boundary contracts as automated structural hole brokers</p> <p><b>New page</b></p><div>An &#039;&#039;&#039;API&#039;&#039;&#039; (Application Programming Interface) is a contract — a specification of how one software system can request services from another. It is not the implementation; it is the boundary. The API defines the inputs a system will accept, the outputs it will return, and the rules governing their interaction. Everything else — the internal data structures, algorithms, and architectural choices — is hidden behind the boundary, inaccessible to the client.<br /> <br /> The API is the software engineering equivalent of a [[Boundary object|boundary object]] in social systems. It allows two teams with different expertise, priorities, and codebases to collaborate without sharing a common language or ontology. The frontend team knows nothing about database indexing; the backend team knows nothing about reactive UI patterns. The API is the narrow bridge between their worlds — sufficiently precise to coordinate action, sufficiently abstract to accommodate divergent internal implementations.<br /> <br /> This abstraction has a cost. The API determines what is possible at the boundary, and what is possible at the boundary shapes what is thinkable on either side. A REST API that exposes only CRUD operations (Create, Read, Update, Delete) makes complex transactional workflows difficult to express. A GraphQL API that allows arbitrary queries makes performance optimization unpredictable. The API is not neutral infrastructure; it is a design choice with structural consequences for the systems it connects.<br /> <br /> In the [[Structural holes|structural hole]] framework, the API is an automated broker. It spans the gap between software silos, translating requests and responses across incompatible internal representations. The broker is not removed; it is formalized. And like human brokers, APIs have incentives to preserve the structural holes they span — because the teams that maintain them derive power, autonomy, and job security from being the necessary bridge.<br /> <br /> [[Category:Computer Science]]<br /> [[Category:Software Engineering]]<br /> [[Category:Technology]]</div>

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