# LlamaIndex Documentation

Source: https://developers.llamaindex.ai/python/framework-api-reference/

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[ ![logo](_static/assets/LlamaSquareBlack.svg) ](/ "LlamaIndex") LlamaIndex

  * [ API Reference  ](.)
  * [ Agent  ](agent/)
  * [ Callbacks  ](callbacks/)
  * [ Chat engines  ](chat_engines/)
  * [ Embeddings  ](embeddings/)
  * [ Evaluation  ](evaluation/)
  * [ Extractors  ](extractors/)
  * [ Graph rag  ](graph_rag/cognee/)
  * [ Indices  ](indices/)
  * [ Ingestion  ](ingestion/)
  * [ Instrumentation  ](instrumentation/)
  * [ Llama dataset  ](llama_dataset/)
  * [ Llms  ](llms/)
  * [ Memory  ](memory/)
  * [ Node parser  ](node_parser/alibabacloud_aisearch/)
  * [ Node parsers  ](node_parsers/)
  * [ Objects  ](objects/)
  * [ Observability  ](observability/otel/)
  * [ Output parsers  ](output_parsers/)
  * [ Packs  ](packs/)
  * [ Postprocessor  ](postprocessor/)
  * [ Program  ](program/)
  * [ Prompts  ](prompts/)
  * [ Protocols  ](protocols/ag_ui/)
  * [ Query engine  ](query_engine/)
  * [ Question gen  ](question_gen/)
  * [ Readers  ](readers/)
  * [ Response synthesizers  ](response_synthesizers/)
  * [ Retrievers  ](retrievers/)
  * [ Schema  ](schema/)
  * [ Selectors  ](selectors/notdiamond/)
  * [ Sparse embeddings  ](sparse_embeddings/fastembed/)
  * [ Storage  ](storage/storage_context/)
  * [ Tools  ](tools/)
  * [ Voice agents  ](voice_agents/elevenlabs/)

# API Reference#

LlamaIndex provides thorough documentation of modules and integrations used in
the framework.

Use the navigation or search to find the classes you are interested in!

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