Data Contracts Guide: Define, Enforce, and Evolve Agreements Between Teams
Implement data contracts between producers and consumers: define schemas, set SLAs, automate validation in CI, and handle breaking changes gracefully.
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Tags: data, contracts, data-engineering
Data Contracts Guide: Define, Enforce, and Evolve Agreements Between Teams A data contract is a formal agreement between a data producer and its consumers about the structure, semantics, and reliability guarantees of the data being exchanged. Without contracts, data pipelines break silently, downstream consumers build on unstable assumptions, and "who changed what" becomes an archaeological investigation every time something breaks in production. This guide covers what data contracts contain, the tooling used to define and enforce them, how to integrate contract checks into CI, and how to manage the lifecycle when contracts need to evolve. Defining Contracts with JSON Schema JSON Schema is the most portable format for defining data contracts. It is supported by virtually every language…
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