Chunks
Delete Chunk
Permanently delete a chunk from the document.
DELETE
/
datasets
/
{dataset_id}
/
documents
/
{document_id}
/
segments
/
{segment_id}
Delete Chunk
curl --request DELETE \
--url https://{api_base_url}/datasets/{dataset_id}/documents/{document_id}/segments/{segment_id} \
--header 'Authorization: Bearer <token>'import requests
url = "https://{api_base_url}/datasets/{dataset_id}/documents/{document_id}/segments/{segment_id}"
headers = {"Authorization": "Bearer <token>"}
response = requests.delete(url, headers=headers)
print(response.text)const options = {method: 'DELETE', headers: {Authorization: 'Bearer <token>'}};
fetch('https://{api_base_url}/datasets/{dataset_id}/documents/{document_id}/segments/{segment_id}', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://{api_base_url}/datasets/{dataset_id}/documents/{document_id}/segments/{segment_id}",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "DELETE",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://{api_base_url}/datasets/{dataset_id}/documents/{document_id}/segments/{segment_id}"
req, _ := http.NewRequest("DELETE", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.delete("https://{api_base_url}/datasets/{dataset_id}/documents/{document_id}/segments/{segment_id}")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://{api_base_url}/datasets/{dataset_id}/documents/{document_id}/segments/{segment_id}")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Delete.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_bodyAuthorizations
Every request authenticates with an API key: Authorization: Bearer {API_KEY}. App endpoints take an app API key; knowledge endpoints take a knowledge base API key (Get Started).
Keep keys server-side; never embed them in client code. Requests with a missing or invalid key fail with HTTP 401 (unauthorized).
Path Parameters
Knowledge base ID. Obtain it from List Knowledge Bases.
Document ID. Obtain it from List Documents.
Chunk ID. Obtain it from List Chunks.
Response
Success.
Last modified on August 10, 2026
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⌘I
Delete Chunk
curl --request DELETE \
--url https://{api_base_url}/datasets/{dataset_id}/documents/{document_id}/segments/{segment_id} \
--header 'Authorization: Bearer <token>'import requests
url = "https://{api_base_url}/datasets/{dataset_id}/documents/{document_id}/segments/{segment_id}"
headers = {"Authorization": "Bearer <token>"}
response = requests.delete(url, headers=headers)
print(response.text)const options = {method: 'DELETE', headers: {Authorization: 'Bearer <token>'}};
fetch('https://{api_base_url}/datasets/{dataset_id}/documents/{document_id}/segments/{segment_id}', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://{api_base_url}/datasets/{dataset_id}/documents/{document_id}/segments/{segment_id}",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "DELETE",
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"net/http"
"io"
)
func main() {
url := "https://{api_base_url}/datasets/{dataset_id}/documents/{document_id}/segments/{segment_id}"
req, _ := http.NewRequest("DELETE", url, nil)
req.Header.Add("Authorization", "Bearer <token>")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.delete("https://{api_base_url}/datasets/{dataset_id}/documents/{document_id}/segments/{segment_id}")
.header("Authorization", "Bearer <token>")
.asString();require 'uri'
require 'net/http'
url = URI("https://{api_base_url}/datasets/{dataset_id}/documents/{document_id}/segments/{segment_id}")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Delete.new(url)
request["Authorization"] = 'Bearer <token>'
response = http.request(request)
puts response.read_body