Parallel Sub-Workflow Execution with Callbacks in n8n

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This n8n workflow orchestrates parallel execution of multiple sub-workflows with asynchronous callback handling. It starts with a manual trigger to simulate parallel tasks, then initiates sub-workflows via webhooks, waits for their completion, and updates a progress tracker to finally conclude once all sub-workflows report completion. The design enables efficient concurrent processing and centralized management of complex, multi-step workflows.

Node Count

11 – 20 Nodes

Nodes Used

code, httpRequest, if, manualTrigger, noOp, respondToWebhook, set, splitInBatches, stickyNote, wait, webhook

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