# Parallel Fetching
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# Parallel Fetching
Advanced Patterns
Demonstrates how to run multiple HTTP requests in parallel using Group Keys and Collect blocks. Sends concurrent requests and aggregates the results once all responses arrive. It's important to use the Collect block at the end to merge all parallel branches back together.
Business logic (built-in)TransformGroup KeyHTTP (built-in)RequestFetch Database StatusHTTP (built-in)RequestFetch Service StatusCollections (built-in)CollectCollectPress enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.