Transforms

Below is a list of current and upcoming transforms Streamkap offers for data transformation:

Transform Name	Description	Supported Languages	Status
`Transform / Filter Records`	Apply custom logic to modify or filter records.	JavaScript	✅ Available
`Enrich`	Lookup values from a cached topic to enrich records. Handles schema evolution and pass-through fields.	SQL	✅ Available
`Join`	Join multiple topics. Supports schema evolution and pass-through fields.	SQL	✅ Available
`Enrich (Async)`	Asynchronously call REST APIs to enrich incoming records using dynamic payloads.	JavaScript	✅ Available
`Un Nesting`	Break nested objects or arrays into separate topics. Ideal for unrolling deeply nested documents.	JavaScript, Python	🛠️ Coming Soon
`Fan Out`	Route a single record to multiple output topics based on custom logic.	JavaScript	✅ Available
`Toast Handling`	Replace PostgreSQL `TOAST` placeholders with cached, encrypted original values to avoid costly re-selects.	TBC	🛠️ Coming Soon

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If you don't see a transform listed, please contact us as we're happy to help find and provide the transform you need.