Update a Knowledge Chunk

PATCH

v2.0

knowledgestores

{knowledgeStoreId}

sources

{sourceId}

chunks

{chunkId}

Update a Knowledge Chunk

curl --request PATCH \
  --url https://api-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId} \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "order": 1,
  "text": "This is a paragraph from an article",
  "data": {}
}
'

import requests

url = "https://api-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId}"

payload = {
    "order": 1,
    "text": "This is a paragraph from an article",
    "data": {}
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'PATCH',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({order: 1, text: 'This is a paragraph from an article', data: {}})
};

fetch('https://api-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId}', 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-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'order' => 1,
    'text' => 'This is a paragraph from an article',
    'data' => [
        
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-API-Key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId}"

	payload := strings.NewReader("{\n  \"order\": 1,\n  \"text\": \"This is a paragraph from an article\",\n  \"data\": {}\n}")

	req, _ := http.NewRequest("PATCH", url, payload)

	req.Header.Add("X-API-Key", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.patch("https://api-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId}")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"order\": 1,\n  \"text\": \"This is a paragraph from an article\",\n  \"data\": {}\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId}")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Patch.new(url)
request["X-API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"order\": 1,\n  \"text\": \"This is a paragraph from an article\",\n  \"data\": {}\n}"

response = http.request(request)
puts response.read_body

{
  "type": "Bad Request",
  "title": "Bad Request Error",
  "status": 400,
  "detail": "Validation failed. Missing payload.",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Unauthorized",
  "title": "Unauthorized Error",
  "status": 401,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 401,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Payment Required",
  "title": "Payment Required Error",
  "status": 402,
  "detail": "Validation failed. Missing payload.",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 402,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Forbidden",
  "title": "Forbidden Error",
  "status": 403,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Not Found",
  "title": "Not Found Error",
  "status": 404,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {},
  "logLevel": "error"
}

{
  "type": "Method Not Allowed",
  "title": "Method Not Allowed Error",
  "status": 405,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Conflict",
  "title": "Conflict Error",
  "status": 409,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1004,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Payload Too Large",
  "title": "Payload Too Large Error",
  "status": 413,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Internal Server Error",
  "title": "Internal Server Error",
  "status": 500,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Not Implemented",
  "title": "Not Implemented Error",
  "status": 501,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1009,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Bad Gateway",
  "title": "Bad Gateway Error",
  "status": 502,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Service Unavailable",
  "title": "Service Unavailable Error",
  "status": 503,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 503,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Gateway Timeout",
  "title": "Gateway Timeout Error",
  "status": 504,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

Authorizations

X-API-Key

string

header

required

Supply the API Key in the HTTP-Header

Headers

enum<string>

The Accept header specifies the media type that the client expects in the response. Available options: application/json, application/hal+json, application/xml, text/xml, text/csv. The default value is application/json.

Available options:

application/json,

application/hal+json,

application/xml,

text/xml,

text/csv

Path Parameters

knowledgeStoreId

string

required

The Id of the KnowledgeStore

Required string length: 24

Pattern: ^[a-z0-9]{24}$

sourceId

string

required

The Id of the KnowledgeSource

Required string length: 24

Pattern: ^[a-z0-9]{24}$

chunkId

string

required

The Id of the KnowledgeChunk

Required string length: 24

Pattern: ^[a-z0-9]{24}$

Body

application/json

order

number

The name of the KnowledgeChunk

Example:

1

text

string

The text that is the actual content of the chunk

Example:

"This is a paragraph from an article"

data

object

The extended data of KnowledgeChunk

disabled

enum<boolean>

The status to check if knowledge chunk is disabled

Available options:

false,

true

Response

Successfully updated knowledge source

Last modified on July 22, 2026

Get Knowledge ConnectorsGets a list of Knowledge Connectors.

Update a Knowledge Chunk

curl --request PATCH \
  --url https://api-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId} \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "order": 1,
  "text": "This is a paragraph from an article",
  "data": {}
}
'

import requests

url = "https://api-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId}"

payload = {
    "order": 1,
    "text": "This is a paragraph from an article",
    "data": {}
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'PATCH',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({order: 1, text: 'This is a paragraph from an article', data: {}})
};

fetch('https://api-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId}', 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-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'order' => 1,
    'text' => 'This is a paragraph from an article',
    'data' => [
        
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-API-Key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId}"

	payload := strings.NewReader("{\n  \"order\": 1,\n  \"text\": \"This is a paragraph from an article\",\n  \"data\": {}\n}")

	req, _ := http.NewRequest("PATCH", url, payload)

	req.Header.Add("X-API-Key", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.patch("https://api-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId}")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"order\": 1,\n  \"text\": \"This is a paragraph from an article\",\n  \"data\": {}\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api-trial.cognigy.ai/new/v2.0/knowledgestores/{knowledgeStoreId}/sources/{sourceId}/chunks/{chunkId}")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Patch.new(url)
request["X-API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"order\": 1,\n  \"text\": \"This is a paragraph from an article\",\n  \"data\": {}\n}"

response = http.request(request)
puts response.read_body

{
  "type": "Bad Request",
  "title": "Bad Request Error",
  "status": 400,
  "detail": "Validation failed. Missing payload.",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Unauthorized",
  "title": "Unauthorized Error",
  "status": 401,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 401,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Payment Required",
  "title": "Payment Required Error",
  "status": 402,
  "detail": "Validation failed. Missing payload.",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 402,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Forbidden",
  "title": "Forbidden Error",
  "status": 403,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Not Found",
  "title": "Not Found Error",
  "status": 404,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {},
  "logLevel": "error"
}

{
  "type": "Method Not Allowed",
  "title": "Method Not Allowed Error",
  "status": 405,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Conflict",
  "title": "Conflict Error",
  "status": 409,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1004,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Payload Too Large",
  "title": "Payload Too Large Error",
  "status": 413,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Internal Server Error",
  "title": "Internal Server Error",
  "status": 500,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Not Implemented",
  "title": "Not Implemented Error",
  "status": 501,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1009,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Bad Gateway",
  "title": "Bad Gateway Error",
  "status": 502,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Service Unavailable",
  "title": "Service Unavailable Error",
  "status": 503,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 503,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

{
  "type": "Gateway Timeout",
  "title": "Gateway Timeout Error",
  "status": 504,
  "detail": "<string>",
  "instance": "/v2.0/flows/5ce7c2d833ea1e04d7e6c432",
  "code": 1000,
  "traceId": "api--f84324f4-98eb-4f02-abdd-375a2e6c3c1f",
  "details": {}
}

Overview

Core Resources

Simulator

Authorizations

Headers

Path Parameters

Body

Response