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Nuclia automatically indexes your unstructured data from any internal and external source, providing optimized search results and generative answers. It can handle video and audio transcription, image content extraction, and document parsing.

Nuclia Understanding API document transformer splits text into paragraphs and sentences, identifies entities, provides a summary of the text and generates embeddings for all the sentences.

Installation and Setup​

We need to install the nucliadb-protos package to use the Nuclia Understanding API.

pip install nucliadb-protos

To use the Nuclia Understanding API, we need to have a Nuclia account. We can create one for free at, and then create a NUA key.

To use the Nuclia document transformer, we need to instantiate a NucliaUnderstandingAPI tool with enable_ml set to True:

from import NucliaUnderstandingAPI

nua = NucliaUnderstandingAPI(enable_ml=True)

Document Transformer​

See a usage example.

from langchain_community.document_transformers.nuclia_text_transform import NucliaTextTransformer

API Reference:

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