Update Pipe langbase.pipes.update()
Update an existing AI agent pipe on Langbase using the langbase.pipes.update() function.
You will need to generate an API key to authenticate your requests. For more information, visit the User/Org API key documentation.
API reference
Function Signature
langbase.pipes.update(options);
// with types.
langbase.pipes.update(options: PipeUpdateOptions);
- Name
 options- Type
 - PipeUpdateOptions
 - Description
 PipeUpdateOptions Object
name: string; description?: string; status?: 'public' | 'private'; upsert?: boolean; model?: string; temperature?: number; top_p?: number; max_tokens?: number; presence_penalty?: number; frequency_penalty?: number; stop?: string[]; stream?: boolean; json?: boolean; store?: boolean; moderate?: boolean; response_format?: ResponseFormat; tools?: Tool[]; tool_choice?: 'auto' | 'required' | ToolChoice; parallel_tool_calls?: boolean; messages?: Message[]; / variables?: Record<string, string>; memory?: { name: string }[];Following are the properties of the options object.
- Name
 name- Type
 - string
 - Required
 - Required
 - Description
 Name of the pipe to update.
- Name
 description- Type
 - string
 - Description
 Description of the AI pipe.
- Name
 status- Type
 - 'public' | 'private'
 - Description
 Status of the pipe. Defaults to
public
- Name
 model- Type
 - string
 - Description
 Pipe LLM model. Combination of model provider and model id.
Format:
provider:model_idYou can copy the ID of a model from the list of supported LLM models at Langbase.
Default:
openai:gpt-4o-mini
- Name
 tool_choice- Type
 - 'auto' | 'required' | ToolChoice
 - Description
 Tool usage configuration.
- Name
 'auto'- Type
 - string
 - Description
 Model decides when to use tools.
- Name
 'required'- Type
 - string
 - Description
 Model must use specified tools.
- Name
 ToolChoice- Type
 - object
 - Description
 Forces use of a specific function.
ToolChoice Object
type: 'function'; function: { name: string; };
- Name
 memory- Type
 - Array<Memory>
 - Description
 An array of memories that the Pipe should use
Memory Object
name: string;
- Name
 stream- Type
 - boolean
 - Description
 If enabled, the output will be streamed in real-time like ChatGPT. This is helpful if the user is directly reading the text.
Default:
true
- Name
 json- Type
 - boolean
 - Description
 Enforce the output to be in JSON format.
Default:
false
- Name
 store- Type
 - boolean
 - Description
 If enabled, both the prompts and completions will be stored in the database. Otherwise, only the system prompt and few shot messages will be saved.
Default:
true
- Name
 moderate- Type
 - boolean
 - Description
 If enabled, Langbase blocks flagged requests automatically.
Default:
false
- Name
 temperature- Type
 - number
 - Description
 What sampling temperature to use, between 0 and 2. Higher values like 0.8 will make the output more random. Lower values like 0.2 will make it more focused and deterministic.
Default:
0.7
- Name
 top_p- Type
 - number
 - Description
 An alternative to sampling with temperature, called nucleus sampling, where the model considers the results of the tokens with top_p probability mass. So 0.1 means only the tokens comprising the top 10% probability mass are considered.
Default:
1
- Name
 max_tokens- Type
 - number
 - Description
 The maximum number of tokens in the response message returned.
Default:
1000
- Name
 presence_penalty- Type
 - number
 - Description
 Penalizes a word based on its occurrence in the input text.
Default:
1
- Name
 frequency_penalty- Type
 - number
 - Description
 Penalizes a word based on how frequently it appears in the training data.
Default:
1
- Name
 stop- Type
 - string[]
 - Description
 Up to 4 sequences where the API will stop generating further tokens.
Default:
[]
- Name
 parallel_tool_calls- Type
 - boolean
 - Description
 Call multiple tools in parallel, allowing the effects and results of these function calls to be resolved in parallel.
Default:
true
messages
- Name
 messages- Type
 - Array<Message>
 - Description
 A messages array including the following properties. Optional if variables are provided.
Message Object
role: 'user' | 'assistant' | 'system'| 'tool'; content: string | null; name?: string; tool_call_id?: string; tool_calls?: ToolCall[];
variables
- Name
 variables- Type
 - Record<string, string>
 - Description
 An object containing pipe variables. The key is the variable name, and the value is the variable value.
Default:
{}
response_format
- Name
 response_format- Type
 - ResponseFormat
 - Description
 Defines the format of the response. Primarily used for Structured Outputs. To enforce Structured Outputs, set type to
json_schema, and provide a JSON schema for your response withstrict: trueoption.Default:
textResponseFormat Object
type ResponseFormat = | {type: 'text'} | {type: 'json_object'} | { type: 'json_schema'; json_schema: { description?: string; name: string; schema?: Record<string, unknown>; strict?: boolean | null; }; };
Usage example
Install the SDK
npm i langbase
Environment variables
Environment variables
LANGBASE_API_KEY="<USER/ORG-API-KEY>"
Update pipe
Update pipe config on Langbase
import {Langbase} from 'langbase';
const langbase = new Langbase({
	apiKey: process.env.LANGBASE_API_KEY!,
});
async function main() {
	const summaryAgent = await langbase.pipes.update({
		name: 'summary-agent',
		description: 'Updated pipe description',
		temperature: 0.8,
	});
	console.log('Summary agent:', summaryAgent);
}
main();
- Name
 PipeUpdateResponse- Type
 - object
 - Description
 The response object returned by the
langbase.pipes.update()function.PipeUpdateResponse
name: string; description: string; status: 'public' | 'private'; owner_login: string; url: string; type: 'chat' | 'generate' | 'run'; api_key: string;- Name
 name- Type
 - string
 - Description
 Name of the updated pipe.
- Name
 description- Type
 - string
 - Description
 Updated description of the pipe.
- Name
 status- Type
 - 'public' | 'private'
 - Description
 Updated pipe visibility status.
- Name
 owner_login- Type
 - string
 - Description
 Login of the pipe owner.
- Name
 url- Type
 - string
 - Description
 Pipe access URL.
- Name
 type- Type
 - 'chat' | 'generate' | 'run'
 - Description
 The type of pipe.
- Name
 api_key- Type
 - string
 - Description
 API key for pipe access.
PipeUpdateResponse type of langbase.pipes.update()
{
	"name": "summary-agent",
	"description": "Updated AI pipe for summarization",
	"status": "public",
	"owner_login": "user123",
	"url": "https://langbase.com/user123/summary-agent",
	"type": "run",
	"api_key": "pipe_xyz123"
}