# Untyped Payloads

> Accepting data at a boundary with no schema, so malformed or unexpected shapes flow in unchecked.

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

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Flexible Input](https://banes-lab.com/records/lexicon/flexible-input.md) and before [Dynamic Untyped Boundaries](https://banes-lab.com/records/lexicon/dynamic-untyped-boundaries.md).

## Category

- [Schema / Canonical Data / Semantics](https://banes-lab.com/records/lexicon-category/schema-canonical-data-semantics.md)

## Negated by

- [Schema Validation](https://banes-lab.com/records/architecture/schema-validation.md)

## Linked from

- [Schema / Canonical Data / Semantics](https://banes-lab.com/ontology/principles/architecture-category-schema-canonical-data-semantics.md)