Vellum Workflow Server
JSON →The Vellum Workflow Server is a Python library for building and hosting AI workflows. It provides a framework to define, execute, and serve complex LLM-based pipelines with features like node-based DAGs, retries, observability, and API endpoints. Current version: 1.14.7. Release cadence: frequent updates (weekly/biweekly). Requires Python >=3.9, <4.
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API endpoints
full doc /v1/registry/vellum-workflow-server