Weld
INGESTION
REVERSE ETL
Weld is an all-in-one ELT platform that helps data teams sync, transform, and activate data without stitching together multiple tools. It connects to a wide range of sources, loads data into your warehouse, models it with SQL, and pushes results back to business apps through reverse-ETL — all with built-in scheduling, version control, and an AI-assisted query builder.
Weld + MotherDuck
Weld integrates with MotherDuck as a fully managed data warehouse destination. You can sync data from any of your Weld sources into MotherDuck using append, merge, or full-copy strategies, and Weld automatically creates and manages destination tables and isolated schemas per source connection to prevent collisions. Beyond loading, MotherDuck tables and views can serve as a reverse-ETL source to push data back to business tools, and you can run ad-hoc SQL against MotherDuck directly from Weld's query builder to power custom reports. This combines Weld's end-to-end ELT and data activation workflows with MotherDuck's serverless DuckDB warehouse and isolated compute.
