Haystack Has a Free API — Build Production AI Pipelines

Haystack: Industrial-Strength AI Pipelines Haystack by deepset builds production-ready RAG and LLM apps. Pipeline-first architecture, type-safe, debuggable. Why Haystack Pipeline-first — explicit data flow Type-safe component connections Built-in evaluation metrics Production-focused design The Free API from haystack import Pipeline , Document from haystack.components.retrievers.in_memory import InMemoryBM25Retriever from haystack.components.generators import OpenAIGenerator from haystack.components.builders.prompt_builder import PromptBuilder from haystack.document_stores.in_memory import InMemoryDocumentStore store = InMemoryDocumentStore () store . write_documents ([ Document ( content = " Refund policy: 30 days. " )]) template = " Context: {% for d in documents %}{{d.content}}{% endfor %} \n Q: {{question}} " pipe = Pipeline () pipe . add_component ( " retriever " , InMemoryBM25Retriever ( document_store = store )) pipe . add_component ( " prompt " , PromptBuilder ( template = temp