curl --request POST \
  --url https://api.lehar.ai/ca/api/v0/knowledge-base/search \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '
{
  "query": "when are you open",
  "knowledge_base_id": "kb_01jq8x9m2h4z7c0r5v3b8t6n1e",
  "top_k": 3
}
'

import requests

url = "https://api.lehar.ai/ca/api/v0/knowledge-base/search"

payload = {
    "query": "when are you open",
    "knowledge_base_id": "kb_01jq8x9m2h4z7c0r5v3b8t6n1e",
    "top_k": 3
}
headers = {
    "X-API-KEY": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-API-KEY': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    query: 'when are you open',
    knowledge_base_id: 'kb_01jq8x9m2h4z7c0r5v3b8t6n1e',
    top_k: 3
  })
};

fetch('https://api.lehar.ai/ca/api/v0/knowledge-base/search', 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.lehar.ai/ca/api/v0/knowledge-base/search",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'query' => 'when are you open',
    'knowledge_base_id' => 'kb_01jq8x9m2h4z7c0r5v3b8t6n1e',
    'top_k' => 3
  ]),
  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.lehar.ai/ca/api/v0/knowledge-base/search"

	payload := strings.NewReader("{\n  \"query\": \"when are you open\",\n  \"knowledge_base_id\": \"kb_01jq8x9m2h4z7c0r5v3b8t6n1e\",\n  \"top_k\": 3\n}")

	req, _ := http.NewRequest("POST", 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.post("https://api.lehar.ai/ca/api/v0/knowledge-base/search")
  .header("X-API-KEY", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"query\": \"when are you open\",\n  \"knowledge_base_id\": \"kb_01jq8x9m2h4z7c0r5v3b8t6n1e\",\n  \"top_k\": 3\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.lehar.ai/ca/api/v0/knowledge-base/search")

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

request = Net::HTTP::Post.new(url)
request["X-API-KEY"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"query\": \"when are you open\",\n  \"knowledge_base_id\": \"kb_01jq8x9m2h4z7c0r5v3b8t6n1e\",\n  \"top_k\": 3\n}"

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

{
  "data": [
    {
      "id": "b7e6f0a4-2c1d-5f3a-9b8c-1d2e3f4a5b6c",
      "question": "What are your support hours?",
      "response": "Our team is available 9am to 6pm IST, Monday to Friday.",
      "knowledge_base_id": "kb_01jq8x9m2h4z7c0r5v3b8t6n1e",
      "match_percentage": 92.5
    }
  ]
}

{
  "error": {
    "code": "invalid_request",
    "message": "query is required"
  }
}

{
  "error": {
    "code": "unauthorized",
    "message": "Authentication required"
  }
}

{
  "error": {
    "code": "forbidden",
    "message": "Scope 'knowledge_base:read' is required"
  }
}

{
  "error": {
    "code": "internal_error",
    "message": "An unexpected error occurred"
  }
}

{
  "error": {
    "code": "service_unavailable",
    "message": "Knowledge base service is not configured"
  }
}