# Gradient Documentation > Gradient's API makes it easy for developers to build AI applications leveraging their own private data. Append .md to any documentation page URL to get its markdown version. ## Guides - [Introduction](https://preemo.readme.io/docs/introduction.md) - [Quickstart](https://preemo.readme.io/docs/quickstart.md) - [CLI Quickstart](https://preemo.readme.io/docs/cli-quickstart.md) - [SDK Quickstart](https://preemo.readme.io/docs/sdk-quickstart.md) - [Python SDK Example](https://preemo.readme.io/docs/sdk-tutorial.md) - [Tips & Tricks](https://preemo.readme.io/docs/tips-and-tricks.md) - [Authentication](https://preemo.readme.io/docs/authentication.md) - [Run Fine-Tuning Jobs via UI](https://preemo.readme.io/docs/run-fine-tuning-jobs-via-ui.md) - [RAG](https://preemo.readme.io/docs/rag.md) - [PDF Extraction](https://preemo.readme.io/docs/pdf-extraction.md) - [Q&A](https://preemo.readme.io/docs/qa.md) - [Document Summarization](https://preemo.readme.io/docs/document-summarization.md) - [Entity Extraction](https://preemo.readme.io/docs/entity-extraction.md) - [Sentiment Analysis](https://preemo.readme.io/docs/sentiment-analysis.md) - [Personalization](https://preemo.readme.io/docs/personalization.md) - [Audio Transcription](https://preemo.readme.io/docs/audio-transcription.md) - [Introduction to Embeddings](https://preemo.readme.io/docs/introduction-embeddings.md) - [Embeddings Quickstart](https://preemo.readme.io/docs/embeddings-quickstart.md) - [LangChain](https://preemo.readme.io/docs/langchain.md) - [LlamaIndex](https://preemo.readme.io/docs/llamaindex.md) - [MongoDB](https://preemo.readme.io/docs/mongodb.md) - [Haystack](https://preemo.readme.io/docs/haystack.md) - [Models](https://preemo.readme.io/docs/models-1.md) - [Resources](https://preemo.readme.io/docs/resources.md) - [FAQs](https://preemo.readme.io/docs/faqs.md) ## API Reference - [List available models](https://preemo.readme.io/reference/listmodels.md): Lists the currently available models in the selected workspace and provides basic information, such as the model name, ID and whether it is a base or fine-tuned model. - [Create model](https://preemo.readme.io/reference/createmodel.md): Creates a new instance of a model based on a specified model from the existing list. - [Delete model](https://preemo.readme.io/reference/deletemodel.md): Deletes the fine-tuned model. - [Describe model](https://preemo.readme.io/reference/getmodel.md): Describes the specified model, including the model ID, name, and base model ID. - [Complete model](https://preemo.readme.io/reference/completemodel.md): Completes your fine-tuned model with the specified prompt string. The model will generate a completion. - [Fine-tune model](https://preemo.readme.io/reference/finetunemodel.md): Fine-tunes the specified model with your data samples. - [List available embeddings models](https://preemo.readme.io/reference/listembeddings.md): Lists the currently available embeddings models and provides basic information, such as the slug. - [Generate embeddings](https://preemo.readme.io/reference/generateembedding.md): Generates normalized embeddings with the given embeddings model. - [Sentiment analysis](https://preemo.readme.io/reference/analyzesentiment.md): Analyzes text to determine the emotional tone of the message. - [Document question & answer](https://preemo.readme.io/reference/generateanswer.md): Answers questions using the provided context. - [Entity extraction](https://preemo.readme.io/reference/extractentity.md): Extracts an entity from the document with the specified fields and types. - [PDF extraction](https://preemo.readme.io/reference/extractpdf.md): Extracts content from the PDF. - [Document personalization](https://preemo.readme.io/reference/personalizedocument.md): Personalizes the document in a tone and style specific to the described target audience. - [Document summary](https://preemo.readme.io/reference/summarizedocument.md): Generates a summary of the document using the provided guidance. - [Get audio transcription](https://preemo.readme.io/reference/getaudiotranscription.md): Gets the result of the audio transcription job. - [Create audio transcription](https://preemo.readme.io/reference/createaudiotranscription.md): Creates an audio transcription job. - [File upload](https://preemo.readme.io/reference/uploadfile.md): Stores uploaded file. - [List RAG collections](https://preemo.readme.io/reference/listragcollections.md): Lists all RAG collections associated with your workspace. - [Create RAG collection](https://preemo.readme.io/reference/createragcollection.md): Creates a new collection of RAG documents. - [Delete RAG collection](https://preemo.readme.io/reference/deleteragcollection.md): Deletes the RAG collection. - [Get RAG collection](https://preemo.readme.io/reference/getragcollection.md): Gets the RAG collection details. - [Add files to RAG collection](https://preemo.readme.io/reference/addfilestoragcollection.md): Adds files to the RAG collection. - [Errors](https://preemo.readme.io/reference/errors.md)