Run deepset Haystack as a self-hosted pipeline server for retrieval, question answering, document processing, and composable AI applications.
Best for: AI engineers building modular RAG and search backends.
What Haystack REST API gives you
- Composable Haystack pipelines
- REST and OpenAPI interface
- Retriever and generator integrations
Popular ways to use it
- Serve a custom RAG pipeline
- Build document question answering
- Connect search components through an API
Choose resources for your workload
Resource needs depend on connected models, document stores, and request concurrency.
Every ARPHost AI application VPS includes one public IP address, configurable vCPU, memory and NVMe storage, and deployment in Tampa, Florida. You select the final resources during checkout.