# Stage Contracts

> The requirement that each pipeline stage declare a typed contract for what it consumes and produces.

Record: `lex:stage-contracts`
Kind: constraint
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-stage-contracts

## category

- [Streaming / Pipeline / Dataflow Processing](https://banes-lab.com/records/lex-category/streaming-pipeline-dataflow-processing.md)

## referenced-by

- [Pipeline Architecture](https://banes-lab.com/records/arch/pipeline-architecture.md)