Reference/API/Prompts

List prompts

List out all prompts. The prompts are sorted by creation date, with the most recently-created prompts coming first

GET /v1/prompt

Authorization

Authorization
Required
Bearer <token>

Most Braintrust endpoints are authenticated by providing your API key as a header Authorization: Bearer [api_key] to your HTTP request. You can create an API key in the Braintrust organization settings page.

In: header

Query Parameters

limitinteger

Limit the number of objects to return

Minimum: 0
starting_afterstring

Pagination cursor id.

For example, if the final item in the last page you fetched had an id of foo, pass starting_after=foo to fetch the next page. Note: you may only pass one of starting_after and ending_before

Format: "uuid"
ending_beforestring

Pagination cursor id.

For example, if the initial item in the last page you fetched had an id of foo, pass ending_before=foo to fetch the previous page. Note: you may only pass one of starting_after and ending_before

Format: "uuid"
idsAny properties in string, array<string>

Filter search results to a particular set of object IDs. To specify a list of IDs, include the query param multiple times

prompt_namestring

Name of the prompt to search for

project_namestring

Name of the project to search for

project_idstring

Project id

Format: "uuid"
slugstring

Retrieve prompt with a specific slug

versionstring

Retrieve prompt at a specific version.

The version id can either be a transaction id (e.g. '1000192656880881099') or a version identifier (e.g. '81cd05ee665fdfb3').

org_namestring

Filter search results to within a particular organization

curl -X GET "https://api.braintrust.dev/v1/prompt?limit=0&starting_after=497f6eca-6276-4993-bfeb-53cbbbba6f08&ending_before=497f6eca-6276-4993-bfeb-53cbbbba6f08&ids=497f6eca-6276-4993-bfeb-53cbbbba6f08&prompt_name=string&project_name=string&project_id=497f6eca-6276-4993-bfeb-53cbbbba6f08&slug=string&version=string&org_name=string" \
  -H "Authorization: Bearer <token>"

Returns a list of prompt objects

{
  "objects": [
    {
      "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
      "_xact_id": "string",
      "project_id": "405d8375-3514-403b-8c43-83ae74cfe0e9",
      "log_id": "p",
      "org_id": "a40f5d1f-d889-42e9-94ea-b9b33585fc6b",
      "name": "string",
      "slug": "string",
      "description": "string",
      "created": "2019-08-24T14:15:22Z",
      "prompt_data": {
        "prompt": {
          "type": "completion",
          "content": "string"
        },
        "options": {
          "model": "string",
          "params": {
            "use_cache": true,
            "temperature": 0,
            "top_p": 0,
            "max_tokens": 0,
            "max_completion_tokens": 0,
            "frequency_penalty": 0,
            "presence_penalty": 0,
            "response_format": {
              "type": "json_object"
            },
            "tool_choice": "auto",
            "function_call": "auto",
            "n": 0,
            "stop": [
              "string"
            ],
            "reasoning_effort": "low"
          },
          "position": "string"
        },
        "parser": {
          "type": "llm_classifier",
          "use_cot": true,
          "choice_scores": {
            "property1": 1,
            "property2": 1
          }
        },
        "tool_functions": [
          {
            "type": "function",
            "id": "string"
          }
        ],
        "origin": {
          "prompt_id": "string",
          "project_id": "string",
          "prompt_version": "string"
        }
      },
      "tags": [
        "string"
      ],
      "metadata": {
        "property1": null,
        "property2": null
      },
      "function_type": "llm"
    }
  ]
}

Create prompt

Create a new prompt. If there is an existing prompt in the project with the same slug as the one specified in the request, will return the existing prompt unmodified

POST /v1/prompt

Authorization

Authorization
Required
Bearer <token>

Most Braintrust endpoints are authenticated by providing your API key as a header Authorization: Bearer [api_key] to your HTTP request. You can create an API key in the Braintrust organization settings page.

In: header

Request Body

application/jsonOptional

Any desired information about the new prompt object

project_id
Required
string

Unique identifier for the project that the prompt belongs under

Format: "uuid"
name
Required
string

Name of the prompt

Minimum length: 1
slug
Required
string

Unique identifier for the prompt

Minimum length: 1
descriptionstring

Textual description of the prompt

prompt_dataobject

The prompt, model, and its parameters

tagsarray<string>

A list of tags for the prompt

function_typestring
Value in: "llm" | "scorer" | "task" | "tool" | null
curl -X POST "https://api.braintrust.dev/v1/prompt" \
  -H "Authorization: Bearer <token>" \
  -H "Content-Type: application/json" \
  -d '{
    "project_id": "405d8375-3514-403b-8c43-83ae74cfe0e9",
    "name": "string",
    "slug": "string",
    "description": "string",
    "prompt_data": {
      "prompt": {
        "type": "completion",
        "content": "string"
      },
      "options": {
        "model": "string",
        "params": {
          "use_cache": true,
          "temperature": 0,
          "top_p": 0,
          "max_tokens": 0,
          "max_completion_tokens": 0,
          "frequency_penalty": 0,
          "presence_penalty": 0,
          "response_format": {
            "type": "json_object"
          },
          "tool_choice": "auto",
          "function_call": "auto",
          "n": 0,
          "stop": [
            "string"
          ],
          "reasoning_effort": "low"
        },
        "position": "string"
      },
      "parser": {
        "type": "llm_classifier",
        "use_cot": true,
        "choice_scores": {
          "property1": 1,
          "property2": 1
        }
      },
      "tool_functions": [
        {
          "type": "function",
          "id": "string"
        }
      ],
      "origin": {
        "prompt_id": "string",
        "project_id": "string",
        "prompt_version": "string"
      }
    },
    "tags": [
      "string"
    ],
    "function_type": "llm"
  }'

Returns the new prompt object

{
  "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
  "_xact_id": "string",
  "project_id": "405d8375-3514-403b-8c43-83ae74cfe0e9",
  "log_id": "p",
  "org_id": "a40f5d1f-d889-42e9-94ea-b9b33585fc6b",
  "name": "string",
  "slug": "string",
  "description": "string",
  "created": "2019-08-24T14:15:22Z",
  "prompt_data": {
    "prompt": {
      "type": "completion",
      "content": "string"
    },
    "options": {
      "model": "string",
      "params": {
        "use_cache": true,
        "temperature": 0,
        "top_p": 0,
        "max_tokens": 0,
        "max_completion_tokens": 0,
        "frequency_penalty": 0,
        "presence_penalty": 0,
        "response_format": {
          "type": "json_object"
        },
        "tool_choice": "auto",
        "function_call": "auto",
        "n": 0,
        "stop": [
          "string"
        ],
        "reasoning_effort": "low"
      },
      "position": "string"
    },
    "parser": {
      "type": "llm_classifier",
      "use_cot": true,
      "choice_scores": {
        "property1": 1,
        "property2": 1
      }
    },
    "tool_functions": [
      {
        "type": "function",
        "id": "string"
      }
    ],
    "origin": {
      "prompt_id": "string",
      "project_id": "string",
      "prompt_version": "string"
    }
  },
  "tags": [
    "string"
  ],
  "metadata": {
    "property1": null,
    "property2": null
  },
  "function_type": "llm"
}

Create or replace prompt

Create or replace prompt. If there is an existing prompt in the project with the same slug as the one specified in the request, will replace the existing prompt with the provided fields

PUT /v1/prompt

Authorization

Authorization
Required
Bearer <token>

Most Braintrust endpoints are authenticated by providing your API key as a header Authorization: Bearer [api_key] to your HTTP request. You can create an API key in the Braintrust organization settings page.

In: header

Request Body

application/jsonOptional

Any desired information about the new prompt object

project_id
Required
string

Unique identifier for the project that the prompt belongs under

Format: "uuid"
name
Required
string

Name of the prompt

Minimum length: 1
slug
Required
string

Unique identifier for the prompt

Minimum length: 1
descriptionstring

Textual description of the prompt

prompt_dataobject

The prompt, model, and its parameters

tagsarray<string>

A list of tags for the prompt

function_typestring
Value in: "llm" | "scorer" | "task" | "tool" | null
curl -X PUT "https://api.braintrust.dev/v1/prompt" \
  -H "Authorization: Bearer <token>" \
  -H "Content-Type: application/json" \
  -d '{
    "project_id": "405d8375-3514-403b-8c43-83ae74cfe0e9",
    "name": "string",
    "slug": "string",
    "description": "string",
    "prompt_data": {
      "prompt": {
        "type": "completion",
        "content": "string"
      },
      "options": {
        "model": "string",
        "params": {
          "use_cache": true,
          "temperature": 0,
          "top_p": 0,
          "max_tokens": 0,
          "max_completion_tokens": 0,
          "frequency_penalty": 0,
          "presence_penalty": 0,
          "response_format": {
            "type": "json_object"
          },
          "tool_choice": "auto",
          "function_call": "auto",
          "n": 0,
          "stop": [
            "string"
          ],
          "reasoning_effort": "low"
        },
        "position": "string"
      },
      "parser": {
        "type": "llm_classifier",
        "use_cot": true,
        "choice_scores": {
          "property1": 1,
          "property2": 1
        }
      },
      "tool_functions": [
        {
          "type": "function",
          "id": "string"
        }
      ],
      "origin": {
        "prompt_id": "string",
        "project_id": "string",
        "prompt_version": "string"
      }
    },
    "tags": [
      "string"
    ],
    "function_type": "llm"
  }'

Returns the new prompt object

{
  "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
  "_xact_id": "string",
  "project_id": "405d8375-3514-403b-8c43-83ae74cfe0e9",
  "log_id": "p",
  "org_id": "a40f5d1f-d889-42e9-94ea-b9b33585fc6b",
  "name": "string",
  "slug": "string",
  "description": "string",
  "created": "2019-08-24T14:15:22Z",
  "prompt_data": {
    "prompt": {
      "type": "completion",
      "content": "string"
    },
    "options": {
      "model": "string",
      "params": {
        "use_cache": true,
        "temperature": 0,
        "top_p": 0,
        "max_tokens": 0,
        "max_completion_tokens": 0,
        "frequency_penalty": 0,
        "presence_penalty": 0,
        "response_format": {
          "type": "json_object"
        },
        "tool_choice": "auto",
        "function_call": "auto",
        "n": 0,
        "stop": [
          "string"
        ],
        "reasoning_effort": "low"
      },
      "position": "string"
    },
    "parser": {
      "type": "llm_classifier",
      "use_cot": true,
      "choice_scores": {
        "property1": 1,
        "property2": 1
      }
    },
    "tool_functions": [
      {
        "type": "function",
        "id": "string"
      }
    ],
    "origin": {
      "prompt_id": "string",
      "project_id": "string",
      "prompt_version": "string"
    }
  },
  "tags": [
    "string"
  ],
  "metadata": {
    "property1": null,
    "property2": null
  },
  "function_type": "llm"
}

Get prompt

Get a prompt object by its id

GET /v1/prompt/{prompt_id}

Authorization

Authorization
Required
Bearer <token>

Most Braintrust endpoints are authenticated by providing your API key as a header Authorization: Bearer [api_key] to your HTTP request. You can create an API key in the Braintrust organization settings page.

In: header

Path Parameters

prompt_id
Required
string

Prompt id

Format: "uuid"

Query Parameters

versionstring

Retrieve prompt at a specific version.

The version id can either be a transaction id (e.g. '1000192656880881099') or a version identifier (e.g. '81cd05ee665fdfb3').

curl -X GET "https://api.braintrust.dev/v1/prompt/497f6eca-6276-4993-bfeb-53cbbbba6f08?version=string" \
  -H "Authorization: Bearer <token>"

Returns the prompt object

{
  "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
  "_xact_id": "string",
  "project_id": "405d8375-3514-403b-8c43-83ae74cfe0e9",
  "log_id": "p",
  "org_id": "a40f5d1f-d889-42e9-94ea-b9b33585fc6b",
  "name": "string",
  "slug": "string",
  "description": "string",
  "created": "2019-08-24T14:15:22Z",
  "prompt_data": {
    "prompt": {
      "type": "completion",
      "content": "string"
    },
    "options": {
      "model": "string",
      "params": {
        "use_cache": true,
        "temperature": 0,
        "top_p": 0,
        "max_tokens": 0,
        "max_completion_tokens": 0,
        "frequency_penalty": 0,
        "presence_penalty": 0,
        "response_format": {
          "type": "json_object"
        },
        "tool_choice": "auto",
        "function_call": "auto",
        "n": 0,
        "stop": [
          "string"
        ],
        "reasoning_effort": "low"
      },
      "position": "string"
    },
    "parser": {
      "type": "llm_classifier",
      "use_cot": true,
      "choice_scores": {
        "property1": 1,
        "property2": 1
      }
    },
    "tool_functions": [
      {
        "type": "function",
        "id": "string"
      }
    ],
    "origin": {
      "prompt_id": "string",
      "project_id": "string",
      "prompt_version": "string"
    }
  },
  "tags": [
    "string"
  ],
  "metadata": {
    "property1": null,
    "property2": null
  },
  "function_type": "llm"
}

Partially update prompt

Partially update a prompt object. Specify the fields to update in the payload. Any object-type fields will be deep-merged with existing content. Currently we do not support removing fields or setting them to null.

PATCH /v1/prompt/{prompt_id}

Authorization

Authorization
Required
Bearer <token>

Most Braintrust endpoints are authenticated by providing your API key as a header Authorization: Bearer [api_key] to your HTTP request. You can create an API key in the Braintrust organization settings page.

In: header

Request Body

application/jsonOptional

Fields to update

namestring

Name of the prompt

slugstring

Unique identifier for the prompt

descriptionstring

Textual description of the prompt

prompt_dataobject

The prompt, model, and its parameters

tagsarray<string>

A list of tags for the prompt

Path Parameters

prompt_id
Required
string

Prompt id

Format: "uuid"
curl -X PATCH "https://api.braintrust.dev/v1/prompt/497f6eca-6276-4993-bfeb-53cbbbba6f08" \
  -H "Authorization: Bearer <token>" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "string",
    "slug": "string",
    "description": "string",
    "prompt_data": {
      "prompt": {
        "type": "completion",
        "content": "string"
      },
      "options": {
        "model": "string",
        "params": {
          "use_cache": true,
          "temperature": 0,
          "top_p": 0,
          "max_tokens": 0,
          "max_completion_tokens": 0,
          "frequency_penalty": 0,
          "presence_penalty": 0,
          "response_format": {
            "type": "json_object"
          },
          "tool_choice": "auto",
          "function_call": "auto",
          "n": 0,
          "stop": [
            "string"
          ],
          "reasoning_effort": "low"
        },
        "position": "string"
      },
      "parser": {
        "type": "llm_classifier",
        "use_cot": true,
        "choice_scores": {
          "property1": 1,
          "property2": 1
        }
      },
      "tool_functions": [
        {
          "type": "function",
          "id": "string"
        }
      ],
      "origin": {
        "prompt_id": "string",
        "project_id": "string",
        "prompt_version": "string"
      }
    },
    "tags": [
      "string"
    ]
  }'

Returns the prompt object

{
  "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
  "_xact_id": "string",
  "project_id": "405d8375-3514-403b-8c43-83ae74cfe0e9",
  "log_id": "p",
  "org_id": "a40f5d1f-d889-42e9-94ea-b9b33585fc6b",
  "name": "string",
  "slug": "string",
  "description": "string",
  "created": "2019-08-24T14:15:22Z",
  "prompt_data": {
    "prompt": {
      "type": "completion",
      "content": "string"
    },
    "options": {
      "model": "string",
      "params": {
        "use_cache": true,
        "temperature": 0,
        "top_p": 0,
        "max_tokens": 0,
        "max_completion_tokens": 0,
        "frequency_penalty": 0,
        "presence_penalty": 0,
        "response_format": {
          "type": "json_object"
        },
        "tool_choice": "auto",
        "function_call": "auto",
        "n": 0,
        "stop": [
          "string"
        ],
        "reasoning_effort": "low"
      },
      "position": "string"
    },
    "parser": {
      "type": "llm_classifier",
      "use_cot": true,
      "choice_scores": {
        "property1": 1,
        "property2": 1
      }
    },
    "tool_functions": [
      {
        "type": "function",
        "id": "string"
      }
    ],
    "origin": {
      "prompt_id": "string",
      "project_id": "string",
      "prompt_version": "string"
    }
  },
  "tags": [
    "string"
  ],
  "metadata": {
    "property1": null,
    "property2": null
  },
  "function_type": "llm"
}

Delete prompt

Delete a prompt object by its id

DELETE /v1/prompt/{prompt_id}

Authorization

Authorization
Required
Bearer <token>

Most Braintrust endpoints are authenticated by providing your API key as a header Authorization: Bearer [api_key] to your HTTP request. You can create an API key in the Braintrust organization settings page.

In: header

Path Parameters

prompt_id
Required
string

Prompt id

Format: "uuid"
curl -X DELETE "https://api.braintrust.dev/v1/prompt/497f6eca-6276-4993-bfeb-53cbbbba6f08" \
  -H "Authorization: Bearer <token>"

Returns the deleted prompt object

{
  "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
  "_xact_id": "string",
  "project_id": "405d8375-3514-403b-8c43-83ae74cfe0e9",
  "log_id": "p",
  "org_id": "a40f5d1f-d889-42e9-94ea-b9b33585fc6b",
  "name": "string",
  "slug": "string",
  "description": "string",
  "created": "2019-08-24T14:15:22Z",
  "prompt_data": {
    "prompt": {
      "type": "completion",
      "content": "string"
    },
    "options": {
      "model": "string",
      "params": {
        "use_cache": true,
        "temperature": 0,
        "top_p": 0,
        "max_tokens": 0,
        "max_completion_tokens": 0,
        "frequency_penalty": 0,
        "presence_penalty": 0,
        "response_format": {
          "type": "json_object"
        },
        "tool_choice": "auto",
        "function_call": "auto",
        "n": 0,
        "stop": [
          "string"
        ],
        "reasoning_effort": "low"
      },
      "position": "string"
    },
    "parser": {
      "type": "llm_classifier",
      "use_cot": true,
      "choice_scores": {
        "property1": 1,
        "property2": 1
      }
    },
    "tool_functions": [
      {
        "type": "function",
        "id": "string"
      }
    ],
    "origin": {
      "prompt_id": "string",
      "project_id": "string",
      "prompt_version": "string"
    }
  },
  "tags": [
    "string"
  ],
  "metadata": {
    "property1": null,
    "property2": null
  },
  "function_type": "llm"
}

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