---
id: register-a-new-dataset
title: "Register a new dataset."
description: "Register a new dataset."
sidebar_label: "Register a new dataset."
hide_title: true
hide_table_of_contents: true
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sidebar_class_name: "post api-method"
info_path: docs/api/llama-stack-specification
custom_edit_url: null
---

import MethodEndpoint from "@theme/ApiExplorer/MethodEndpoint";
import ParamsDetails from "@theme/ParamsDetails";
import RequestSchema from "@theme/RequestSchema";
import StatusCodes from "@theme/StatusCodes";
import OperationTabs from "@theme/OperationTabs";
import TabItem from "@theme/TabItem";
import Heading from "@theme/Heading";

<Heading
  as={"h1"}
  className={"openapi__heading"}
  children={"Register a new dataset."}
>
</Heading>

<MethodEndpoint
  method={"post"}
  path={"/v1/datasets"}
  context={"endpoint"}
>
  
</MethodEndpoint>



Register a new dataset.

<Heading
  id={"request"}
  as={"h2"}
  className={"openapi-tabs__heading"}
  children={"Request"}
>
</Heading>

<ParamsDetails
  parameters={[]}
>
  
</ParamsDetails>

<RequestSchema
  title={"Body"}
  body={{"content":{"application/json":{"schema":{"type":"object","properties":{"purpose":{"type":"string","enum":["post-training/messages","eval/question-answer","eval/messages-answer"],"description":"The purpose of the dataset. One of: - \"post-training/messages\": The dataset contains a messages column with list of messages for post-training. { \"messages\": [ {\"role\": \"user\", \"content\": \"Hello, world!\"}, {\"role\": \"assistant\", \"content\": \"Hello, world!\"}, ] } - \"eval/question-answer\": The dataset contains a question column and an answer column for evaluation. { \"question\": \"What is the capital of France?\", \"answer\": \"Paris\" } - \"eval/messages-answer\": The dataset contains a messages column with list of messages and an answer column for evaluation. { \"messages\": [ {\"role\": \"user\", \"content\": \"Hello, my name is John Doe.\"}, {\"role\": \"assistant\", \"content\": \"Hello, John Doe. How can I help you today?\"}, {\"role\": \"user\", \"content\": \"What's my name?\"}, ], \"answer\": \"John Doe\" }"},"source":{"description":"The data source of the dataset. Ensure that the data source schema is compatible with the purpose of the dataset. Examples: - { \"type\": \"uri\", \"uri\": \"https://mywebsite.com/mydata.jsonl\" } - { \"type\": \"uri\", \"uri\": \"lsfs://mydata.jsonl\" } - { \"type\": \"uri\", \"uri\": \"data:csv;base64,{base64_content}\" } - { \"type\": \"uri\", \"uri\": \"huggingface://llamastack/simpleqa?split=train\" } - { \"type\": \"rows\", \"rows\": [ { \"messages\": [ {\"role\": \"user\", \"content\": \"Hello, world!\"}, {\"role\": \"assistant\", \"content\": \"Hello, world!\"}, ] } ] }","oneOf":[{"type":"object","properties":{"type":{"type":"string","const":"uri","default":"uri"},"uri":{"type":"string","description":"The dataset can be obtained from a URI. E.g. - \"https://mywebsite.com/mydata.jsonl\" - \"lsfs://mydata.jsonl\" - \"data:csv;base64,{base64_content}\""}},"additionalProperties":false,"required":["type","uri"],"title":"URIDataSource","description":"A dataset that can be obtained from a URI."},{"type":"object","properties":{"type":{"type":"string","const":"rows","default":"rows"},"rows":{"type":"array","items":{"type":"object","additionalProperties":{"oneOf":[{"type":"null"},{"type":"boolean"},{"type":"number"},{"type":"string"},{"type":"array"},{"type":"object"}]}},"description":"The dataset is stored in rows. E.g. - [ {\"messages\": [{\"role\": \"user\", \"content\": \"Hello, world!\"}, {\"role\": \"assistant\", \"content\": \"Hello, world!\"}]} ]"}},"additionalProperties":false,"required":["type","rows"],"title":"RowsDataSource","description":"A dataset stored in rows."}],"discriminator":{"propertyName":"type","mapping":{"uri":{"type":"object","properties":{"type":{"type":"string","const":"uri","default":"uri"},"uri":{"type":"string","description":"The dataset can be obtained from a URI. E.g. - \"https://mywebsite.com/mydata.jsonl\" - \"lsfs://mydata.jsonl\" - \"data:csv;base64,{base64_content}\""}},"additionalProperties":false,"required":["type","uri"],"title":"URIDataSource","description":"A dataset that can be obtained from a URI."},"rows":{"type":"object","properties":{"type":{"type":"string","const":"rows","default":"rows"},"rows":{"type":"array","items":{"type":"object","additionalProperties":{"oneOf":[{"type":"null"},{"type":"boolean"},{"type":"number"},{"type":"string"},{"type":"array"},{"type":"object"}]}},"description":"The dataset is stored in rows. E.g. - [ {\"messages\": [{\"role\": \"user\", \"content\": \"Hello, world!\"}, {\"role\": \"assistant\", \"content\": \"Hello, world!\"}]} ]"}},"additionalProperties":false,"required":["type","rows"],"title":"RowsDataSource","description":"A dataset stored in rows."}}},"title":"DataSource"},"metadata":{"type":"object","additionalProperties":{"oneOf":[{"type":"null"},{"type":"boolean"},{"type":"number"},{"type":"string"},{"type":"array"},{"type":"object"}]},"description":"The metadata for the dataset. - E.g. {\"description\": \"My dataset\"}."},"dataset_id":{"type":"string","description":"The ID of the dataset. If not provided, an ID will be generated."}},"additionalProperties":false,"required":["purpose","source"],"title":"RegisterDatasetRequest"}}},"required":true}}
>
  
</RequestSchema>

<StatusCodes
  id={undefined}
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  responses={{"200":{"description":"A Dataset.","content":{"application/json":{"schema":{"type":"object","properties":{"identifier":{"type":"string"},"provider_resource_id":{"type":"string"},"provider_id":{"type":"string"},"type":{"type":"string","enum":["model","shield","vector_db","dataset","scoring_function","benchmark","tool","tool_group","prompt"],"const":"dataset","default":"dataset","description":"Type of resource, always 'dataset' for datasets"},"purpose":{"type":"string","enum":["post-training/messages","eval/question-answer","eval/messages-answer"],"description":"Purpose of the dataset indicating its intended use"},"source":{"description":"Data source configuration for the dataset","oneOf":[{"type":"object","properties":{"type":{"type":"string","const":"uri","default":"uri"},"uri":{"type":"string","description":"The dataset can be obtained from a URI. E.g. - \"https://mywebsite.com/mydata.jsonl\" - \"lsfs://mydata.jsonl\" - \"data:csv;base64,{base64_content}\""}},"additionalProperties":false,"required":["type","uri"],"title":"URIDataSource","description":"A dataset that can be obtained from a URI."},{"type":"object","properties":{"type":{"type":"string","const":"rows","default":"rows"},"rows":{"type":"array","items":{"type":"object","additionalProperties":{"oneOf":[{"type":"null"},{"type":"boolean"},{"type":"number"},{"type":"string"},{"type":"array"},{"type":"object"}]}},"description":"The dataset is stored in rows. E.g. - [ {\"messages\": [{\"role\": \"user\", \"content\": \"Hello, world!\"}, {\"role\": \"assistant\", \"content\": \"Hello, world!\"}]} ]"}},"additionalProperties":false,"required":["type","rows"],"title":"RowsDataSource","description":"A dataset stored in rows."}],"discriminator":{"propertyName":"type","mapping":{"uri":{"type":"object","properties":{"type":{"type":"string","const":"uri","default":"uri"},"uri":{"type":"string","description":"The dataset can be obtained from a URI. E.g. - \"https://mywebsite.com/mydata.jsonl\" - \"lsfs://mydata.jsonl\" - \"data:csv;base64,{base64_content}\""}},"additionalProperties":false,"required":["type","uri"],"title":"URIDataSource","description":"A dataset that can be obtained from a URI."},"rows":{"type":"object","properties":{"type":{"type":"string","const":"rows","default":"rows"},"rows":{"type":"array","items":{"type":"object","additionalProperties":{"oneOf":[{"type":"null"},{"type":"boolean"},{"type":"number"},{"type":"string"},{"type":"array"},{"type":"object"}]}},"description":"The dataset is stored in rows. E.g. - [ {\"messages\": [{\"role\": \"user\", \"content\": \"Hello, world!\"}, {\"role\": \"assistant\", \"content\": \"Hello, world!\"}]} ]"}},"additionalProperties":false,"required":["type","rows"],"title":"RowsDataSource","description":"A dataset stored in rows."}}},"title":"DataSource"},"metadata":{"type":"object","additionalProperties":{"oneOf":[{"type":"null"},{"type":"boolean"},{"type":"number"},{"type":"string"},{"type":"array"},{"type":"object"}]},"description":"Additional metadata for the dataset"}},"additionalProperties":false,"required":["identifier","provider_id","type","purpose","source","metadata"],"title":"Dataset","description":"Dataset resource for storing and accessing training or evaluation data."}}}},"400":{"description":"The request was invalid or malformed","content":{"application/json":{"schema":{"type":"object","properties":{"status":{"type":"integer","description":"HTTP status code"},"title":{"type":"string","description":"Error title, a short summary of the error which is invariant for an error type"},"detail":{"type":"string","description":"Error detail, a longer human-readable description of the error"},"instance":{"type":"string","description":"(Optional) A URL which can be used to retrieve more information about the specific occurrence of the error"}},"additionalProperties":false,"required":["status","title","detail"],"title":"Error","description":"Error response from the API. Roughly follows RFC 7807."},"example":{"status":400,"title":"Bad Request","detail":"The request was invalid or malformed"}}}},"429":{"description":"The client has sent too many requests in a given amount of time","content":{"application/json":{"schema":{"type":"object","properties":{"status":{"type":"integer","description":"HTTP status code"},"title":{"type":"string","description":"Error title, a short summary of the error which is invariant for an error type"},"detail":{"type":"string","description":"Error detail, a longer human-readable description of the error"},"instance":{"type":"string","description":"(Optional) A URL which can be used to retrieve more information about the specific occurrence of the error"}},"additionalProperties":false,"required":["status","title","detail"],"title":"Error","description":"Error response from the API. Roughly follows RFC 7807."},"example":{"status":429,"title":"Too Many Requests","detail":"You have exceeded the rate limit. Please try again later."}}}},"500":{"description":"The server encountered an unexpected error","content":{"application/json":{"schema":{"type":"object","properties":{"status":{"type":"integer","description":"HTTP status code"},"title":{"type":"string","description":"Error title, a short summary of the error which is invariant for an error type"},"detail":{"type":"string","description":"Error detail, a longer human-readable description of the error"},"instance":{"type":"string","description":"(Optional) A URL which can be used to retrieve more information about the specific occurrence of the error"}},"additionalProperties":false,"required":["status","title","detail"],"title":"Error","description":"Error response from the API. Roughly follows RFC 7807."},"example":{"status":500,"title":"Internal Server Error","detail":"An unexpected error occurred. Our team has been notified."}}}},"default":{"description":"An unexpected error occurred","content":{"application/json":{"schema":{"type":"object","properties":{"status":{"type":"integer","description":"HTTP status code"},"title":{"type":"string","description":"Error title, a short summary of the error which is invariant for an error type"},"detail":{"type":"string","description":"Error detail, a longer human-readable description of the error"},"instance":{"type":"string","description":"(Optional) A URL which can be used to retrieve more information about the specific occurrence of the error"}},"additionalProperties":false,"required":["status","title","detail"],"title":"Error","description":"Error response from the API. Roughly follows RFC 7807."},"example":{"status":0,"title":"Error","detail":"An unexpected error occurred"}}}}}}
>
  
</StatusCodes>