curl --request POST \
  --url https://api.osvi.ai/v1/dnd_numbers \
  --header 'API-Token: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "agent_uuid": "agent_IsZ3Q6Sf_60Eh26XQMGbz-R_og",
  "phone": "9876543210",
  "reason": "customer opted out"
}
'

import requests

url = "https://api.osvi.ai/v1/dnd_numbers"

payload = {
    "agent_uuid": "agent_IsZ3Q6Sf_60Eh26XQMGbz-R_og",
    "phone": "9876543210",
    "reason": "customer opted out"
}
headers = {
    "API-Token": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'API-Token': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    agent_uuid: 'agent_IsZ3Q6Sf_60Eh26XQMGbz-R_og',
    phone: '9876543210',
    reason: 'customer opted out'
  })
};

fetch('https://api.osvi.ai/v1/dnd_numbers', 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.osvi.ai/v1/dnd_numbers",
  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([
    'agent_uuid' => 'agent_IsZ3Q6Sf_60Eh26XQMGbz-R_og',
    'phone' => '9876543210',
    'reason' => 'customer opted out'
  ]),
  CURLOPT_HTTPHEADER => [
    "API-Token: <api-key>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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.osvi.ai/v1/dnd_numbers"

	payload := strings.NewReader("{\n  \"agent_uuid\": \"agent_IsZ3Q6Sf_60Eh26XQMGbz-R_og\",\n  \"phone\": \"9876543210\",\n  \"reason\": \"customer opted out\"\n}")

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

	req.Header.Add("API-Token", "<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.osvi.ai/v1/dnd_numbers")
  .header("API-Token", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"agent_uuid\": \"agent_IsZ3Q6Sf_60Eh26XQMGbz-R_og\",\n  \"phone\": \"9876543210\",\n  \"reason\": \"customer opted out\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.osvi.ai/v1/dnd_numbers")

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

request = Net::HTTP::Post.new(url)
request["API-Token"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"agent_uuid\": \"agent_IsZ3Q6Sf_60Eh26XQMGbz-R_og\",\n  \"phone\": \"9876543210\",\n  \"reason\": \"customer opted out\"\n}"

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

{
  "success": true,
  "data": {
    "id": 31,
    "agent_uuid": "agent_IsZ3Q6Sf_60Eh26XQMGbz-R_og",
    "phone": "+919876543210",
    "reason": "customer opted out",
    "created_at": "2026-06-12T09:30:00+05:30"
  }
}

{
  "success": false,
  "error": "param is missing or the value is empty: phone",
  "details": null
}

{
  "success": false,
  "error": "Invalid API token"
}

{
  "success": false,
  "error": "agent_not_found",
  "details": null
}

{
  "success": false,
  "error": "Validation failed: Phone is already on the DND list for this agent",
  "details": null
}