Update a Lexicon Entry

PATCH

v2.0

lexicons

{lexiconId}

entries

{entryId}

Update a Lexicon Entry

curl --request PATCH \
  --url https://api-trial.cognigy.ai/new/v2.0/lexicons/{lexiconId}/entries/{entryId} \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "mainKeyphrase": "pizza",
  "data": "{\"key1\": \"value1\" }",
  "slotReferences": [
    "<string>"
  ]
}
'

import requests

url = "https://api-trial.cognigy.ai/new/v2.0/lexicons/{lexiconId}/entries/{entryId}"

payload = {
    "mainKeyphrase": "pizza",
    "data": "{\"key1\": \"value1\" }",
    "slotReferences": ["<string>"]
}
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({
    mainKeyphrase: 'pizza',
    data: '{"key1": "value1" }',
    slotReferences: ['<string>']
  })
};

fetch('https://api-trial.cognigy.ai/new/v2.0/lexicons/{lexiconId}/entries/{entryId}', 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/lexicons/{lexiconId}/entries/{entryId}",
  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([
    'mainKeyphrase' => 'pizza',
    'data' => '{"key1": "value1" }',
    'slotReferences' => [
        '<string>'
    ]
  ]),
  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/lexicons/{lexiconId}/entries/{entryId}"

	payload := strings.NewReader("{\n  \"mainKeyphrase\": \"pizza\",\n  \"data\": \"{\\\"key1\\\": \\\"value1\\\" }\",\n  \"slotReferences\": [\n    \"<string>\"\n  ]\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/lexicons/{lexiconId}/entries/{entryId}")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"mainKeyphrase\": \"pizza\",\n  \"data\": \"{\\\"key1\\\": \\\"value1\\\" }\",\n  \"slotReferences\": [\n    \"<string>\"\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api-trial.cognigy.ai/new/v2.0/lexicons/{lexiconId}/entries/{entryId}")

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  \"mainKeyphrase\": \"pizza\",\n  \"data\": \"{\\\"key1\\\": \\\"value1\\\" }\",\n  \"slotReferences\": [\n    \"<string>\"\n  ]\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

lexiconId

string

required

The unique identifier for the Lexicon.

Required string length: 24

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

entryId

string

required

The unique identifier for the entry in the Lexicon.

Required string length: 24

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

Body

application/json

mainKeyphrase

string

required

the keyphrase value

Example:

"pizza"

data

string

Additional JSON-data of the lexicon entry

Example:

"{\"key1\": \"value1\" }"

slotReferences

string[]

The used slots by the lexicon entry

Required string length: 24

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

Response

Successfully updated Entry.

Last modified on July 22, 2026

Get Keyphrases from a Lexicon EntryGets [Keyphrases](https://docs.cognigy.com/ai/platform-features/nlu/slots/user-defined/lexicon) from a Lexicon entry. By default, 25 Keyphrases are returned. To change this value, use the `limit` query parameter. Additionally, you can filter, sort, and paginate the results.

Update a Lexicon Entry

curl --request PATCH \
  --url https://api-trial.cognigy.ai/new/v2.0/lexicons/{lexiconId}/entries/{entryId} \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "mainKeyphrase": "pizza",
  "data": "{\"key1\": \"value1\" }",
  "slotReferences": [
    "<string>"
  ]
}
'

import requests

url = "https://api-trial.cognigy.ai/new/v2.0/lexicons/{lexiconId}/entries/{entryId}"

payload = {
    "mainKeyphrase": "pizza",
    "data": "{\"key1\": \"value1\" }",
    "slotReferences": ["<string>"]
}
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({
    mainKeyphrase: 'pizza',
    data: '{"key1": "value1" }',
    slotReferences: ['<string>']
  })
};

fetch('https://api-trial.cognigy.ai/new/v2.0/lexicons/{lexiconId}/entries/{entryId}', 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/lexicons/{lexiconId}/entries/{entryId}",
  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([
    'mainKeyphrase' => 'pizza',
    'data' => '{"key1": "value1" }',
    'slotReferences' => [
        '<string>'
    ]
  ]),
  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/lexicons/{lexiconId}/entries/{entryId}"

	payload := strings.NewReader("{\n  \"mainKeyphrase\": \"pizza\",\n  \"data\": \"{\\\"key1\\\": \\\"value1\\\" }\",\n  \"slotReferences\": [\n    \"<string>\"\n  ]\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/lexicons/{lexiconId}/entries/{entryId}")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"mainKeyphrase\": \"pizza\",\n  \"data\": \"{\\\"key1\\\": \\\"value1\\\" }\",\n  \"slotReferences\": [\n    \"<string>\"\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api-trial.cognigy.ai/new/v2.0/lexicons/{lexiconId}/entries/{entryId}")

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  \"mainKeyphrase\": \"pizza\",\n  \"data\": \"{\\\"key1\\\": \\\"value1\\\" }\",\n  \"slotReferences\": [\n    \"<string>\"\n  ]\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