# Implementation-First Integration

> Integrating against a concrete implementation before agreeing a contract, coupling consumers to internals.

Record: `lex:implementation-first-integration`
Kind: anti-pattern
Layer: [Contracts Core](https://banes-lab.com/records/layer/contracts-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-implementation-first-integration

## category

- [Contracts / Interfaces / Compatibility](https://banes-lab.com/records/lex-category/contracts-interfaces-compatibility.md)

## referenced-by

- [Contract-First Design](https://banes-lab.com/records/arch/contract-first-design.md)