vallid
Vallid is a neologism used in discussions of software engineering to describe a holistic approach to value validation across system boundaries. It is not a formal standard, but rather a term used to frame practices that strive for end-to-end correctness and data integrity from input through processing to output.
Origin and usage: The word appears in online glossaries and practitioner blogs in the early 2020s. It
Core principles: Vallid emphasizes end-to-end invariants, traceability of validation decisions, and a layered mix of static
Applications and scope: The concept is discussed in contexts such as API design, data pipelines, microservices
Limitations and reception: Because vallid lacks a formal specification, interpretations vary and implementations can introduce overhead
See also: Data validation, Formal verification, End-to-end testing.