# Introduce Boundary DTO

> A technique for carrying data across a boundary in a transfer object, so internal models stay inside.

Record: `lexicon:introduce-boundary-dto`
Kind: technique
Layer: [Contracts Core](https://banes-lab.com/records/layer/contracts-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-introduce-boundary-dto

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Standard Error Contract](https://banes-lab.com/records/lexicon/standard-error-contract.md) and before [Coarse-Grained Endpoint](https://banes-lab.com/records/lexicon/coarse-grained-endpoint.md).

## Category

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

## Refactors

- [Boundary Leakage](https://banes-lab.com/records/architecture/boundary-leakage.md)
- [Data Clumps](https://banes-lab.com/records/architecture/data-clumps.md)
- [Anti-Corruption Layer](https://banes-lab.com/records/architecture/anti-corruption-layer.md)
- [Explicit Contracts](https://banes-lab.com/records/architecture/explicit-contracts.md)
- [Data Contract](https://banes-lab.com/records/architecture/data-contract.md)
- [Schema Validation](https://banes-lab.com/records/architecture/schema-validation.md)
- [Type Safety](https://banes-lab.com/records/architecture/type-safety.md)

## Linked from

- [Anti-patterns](https://banes-lab.com/ontology/principles/architecture-category-anti-patterns.md)
- [Domain Architecture](https://banes-lab.com/ontology/principles/architecture-category-domain-architecture.md)
- [Contracts / Interfaces / Compatibility](https://banes-lab.com/ontology/principles/architecture-category-contracts-interfaces-compatibility.md)
- [Schema / Canonical Data / Semantics](https://banes-lab.com/ontology/principles/architecture-category-schema-canonical-data-semantics.md)