> This is a page from the ElevenLabs documentation. For a complete page index, fetch https://elevenlabs.io/docs/llms.txt. For the full documentation in a single file, fetch https://elevenlabs.io/docs/llms-full.txt. # Add To Knowledge Base POST https://api.elevenlabs.io/v1/convai/knowledge-base Content-Type: multipart/form-data Upload a file or webpage URL to create a knowledge base document. After creating the document, update the agent's knowledge base by calling [Update agent](/docs/api-reference/agents/update). Reference: https://elevenlabs.io/docs/api-reference/legacy/knowledge-base/add-to-knowledge-base ## Servers - `https://api.elevenlabs.io` (Production, default) - `https://api.us.elevenlabs.io` (Production US) - `https://api.eu.residency.elevenlabs.io` (Production EU) - `https://api.in.residency.elevenlabs.io` (Production India) - `https://api.sg.residency.elevenlabs.io` (Production Singapore) ## Request ### Query parameters - `agent_id` (string, optional, default: ) ### Body (multipart/form-data) This endpoint expects a multipart form containing an optional file. - `name` (string, optional) — A custom, human-readable name for the document. - `url` (string, optional) — URL to a page of documentation that the agent will have access to in order to interact with users. - `file` (file, optional) — Documentation that the agent will have access to in order to interact with users. ## Response ### 200 Successful Response - `id` (string, required) - `name` (string, required) - `folder_path` (list of KnowledgeBaseFolderPathSegmentSummaryResponseModel, optional) — The folder path segments leading to this entity, from root to parent folder. ## Errors ### 422 Unprocessable Entity Error Validation Error - `detail` (list of ValidationError, optional) ## Types ### KnowledgeBaseFolderPathSegmentSummaryResponseModel - `id` (string, required) ### ValidationError - `loc` (list of ValidationErrorLocItems, required) - `msg` (string, required) - `type` (string, required) ### ValidationErrorLocItems ## Examples **Request** ```json { "file": ">" } ``` **Response** ```json { "id": "string", "name": "string", "folder_path": [ { "id": "string" } ] } ``` **SDK Code** ```python import requests url = "https://api.elevenlabs.io/v1/convai/knowledge-base" files = { "file": "open('', 'rb')" } payload = { "name": , "url": } response = requests.post(url, data=payload, files=files) print(response.json()) ``` ```javascript const url = 'https://api.elevenlabs.io/v1/convai/knowledge-base'; const form = new FormData(); form.append('file', ''); form.append('name', ''); form.append('url', ''); const options = {method: 'POST'}; options.body = form; try { const response = await fetch(url, options); const data = await response.json(); console.log(data); } catch (error) { console.error(error); } ``` ```go package main import ( "fmt" "strings" "net/http" "io" ) func main() { url := "https://api.elevenlabs.io/v1/convai/knowledge-base" payload := strings.NewReader("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"\"\r\nContent-Type: application/octet-stream\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"name\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"url\"\r\n\r\n\r\n-----011000010111000001101001--\r\n") req, _ := http.NewRequest("POST", url, payload) res, _ := http.DefaultClient.Do(req) defer res.Body.Close() body, _ := io.ReadAll(res.Body) fmt.Println(res) fmt.Println(string(body)) } ``` ```ruby require 'uri' require 'net/http' url = URI("https://api.elevenlabs.io/v1/convai/knowledge-base") http = Net::HTTP.new(url.host, url.port) http.use_ssl = true request = Net::HTTP::Post.new(url) request.body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"\"\r\nContent-Type: application/octet-stream\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"name\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"url\"\r\n\r\n\r\n-----011000010111000001101001--\r\n" response = http.request(request) puts response.read_body ``` ```java import com.mashape.unirest.http.HttpResponse; import com.mashape.unirest.http.Unirest; HttpResponse response = Unirest.post("https://api.elevenlabs.io/v1/convai/knowledge-base") .body("-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"\"\r\nContent-Type: application/octet-stream\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"name\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"url\"\r\n\r\n\r\n-----011000010111000001101001--\r\n") .asString(); ``` ```php request('POST', 'https://api.elevenlabs.io/v1/convai/knowledge-base', [ 'multipart' => [ [ 'name' => 'file', 'filename' => '', 'contents' => null ] ] ]); echo $response->getBody(); ``` ```csharp using RestSharp; var client = new RestClient("https://api.elevenlabs.io/v1/convai/knowledge-base"); var request = new RestRequest(Method.POST); request.AddParameter("undefined", "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"file\"; filename=\"\"\r\nContent-Type: application/octet-stream\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"name\"\r\n\r\n\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"url\"\r\n\r\n\r\n-----011000010111000001101001--\r\n", ParameterType.RequestBody); IRestResponse response = client.Execute(request); ``` ```swift import Foundation let parameters = [ [ "name": "file", "fileName": "" ], [ "name": "name", "value": ], [ "name": "url", "value": ] ] let boundary = "---011000010111000001101001" var body = "" var error: NSError? = nil for param in parameters { let paramName = param["name"]! body += "--\(boundary)\r\n" body += "Content-Disposition:form-data; name=\"\(paramName)\"" if let filename = param["fileName"] { let contentType = param["content-type"]! let fileContent = String(contentsOfFile: filename, encoding: String.Encoding.utf8) if (error != nil) { print(error as Any) } body += "; filename=\"\(filename)\"\r\n" body += "Content-Type: \(contentType)\r\n\r\n" body += fileContent } else if let paramValue = param["value"] { body += "\r\n\r\n\(paramValue)" } } let request = NSMutableURLRequest(url: NSURL(string: "https://api.elevenlabs.io/v1/convai/knowledge-base")! as URL, cachePolicy: .useProtocolCachePolicy, timeoutInterval: 10.0) request.httpMethod = "POST" request.httpBody = postData as Data let session = URLSession.shared let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in if (error != nil) { print(error as Any) } else { let httpResponse = response as? HTTPURLResponse print(httpResponse) } }) dataTask.resume() ``` > ElevenLabs provides APIs and SDKs for text to speech, voice cloning, speech to text, sound effects, voice isolator, voice changer, and conversational AI agents. Build voice-enabled applications with lifelike audio generation.