release a number

curl --request POST \
  --url https://silk-api.rumik.ai/v1/phone-numbers/{number_id}/release \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "confirmNumber": "+918046800123"
}
'

import requests

url = "https://silk-api.rumik.ai/v1/phone-numbers/{number_id}/release"

payload = { "confirmNumber": "+918046800123" }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({confirmNumber: '+918046800123'})
};

fetch('https://silk-api.rumik.ai/v1/phone-numbers/{number_id}/release', 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://silk-api.rumik.ai/v1/phone-numbers/{number_id}/release",
  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([
    'confirmNumber' => '+918046800123'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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://silk-api.rumik.ai/v1/phone-numbers/{number_id}/release"

	payload := strings.NewReader("{\n  \"confirmNumber\": \"+918046800123\"\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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://silk-api.rumik.ai/v1/phone-numbers/{number_id}/release")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"confirmNumber\": \"+918046800123\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://silk-api.rumik.ai/v1/phone-numbers/{number_id}/release")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"confirmNumber\": \"+918046800123\"\n}"

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

{
  "id": "019f7d21-3c5f-7e60-9b7c-8d9e0f1a2b3c",
  "status": "released",
  "requestedNumber": "918046800123",
  "number": "918046800123",
  "e164": "+918046800123",
  "alias": null,
  "numberType": "local",
  "countryIso": "IN",
  "region": "Karnataka",
  "city": "Bangalore",
  "monthlyRentalRateUsd": "2.50000",
  "setupRateUsd": "0.00000",
  "voiceRateUsd": "0.00787",
  "monthlyRentNanos": 236250000000,
  "setupNanos": 0,
  "voiceRateNanos": 743715000,
  "outboundRateUsd": "0.01000",
  "outboundRateNanos": 945000000,
  "outboundUnitSeconds": 30,
  "prepaidNanos": 236250000000,
  "currency": "INR",
  "rentedAt": "2026-09-11T10:30:00Z",
  "nextRenewalAt": "2026-10-11T10:30:00Z",
  "lastRenewalChargedFor": "2026-09-11T10:30:00Z",
  "renewalAttempts": 0,
  "renewalLastError": null,
  "releaseReason": "user",
  "releasedAt": "2026-10-01T09:00:00Z",
  "lastError": null,
  "userAgentId": null,
  "agentName": null,
  "compliance": null,
  "timeline": [
    {
      "key": "prepaid",
      "label": "first month's rent deducted",
      "state": "done",
      "at": "2026-09-11T10:00:05Z",
      "detail": null
    },
    {
      "key": "submitted",
      "label": "documents submitted",
      "state": "done",
      "at": "2026-09-11T10:00:06Z",
      "detail": null
    },
    {
      "key": "verification",
      "label": "verification",
      "state": "done",
      "at": "2026-09-11T10:25:00Z",
      "detail": null
    },
    {
      "key": "purchase",
      "label": "number purchase",
      "state": "done",
      "at": "2026-09-11T10:30:00Z",
      "detail": null
    },
    {
      "key": "active",
      "label": "number active",
      "state": "done",
      "at": "2026-09-11T10:30:00Z",
      "detail": null
    }
  ],
  "events": [],
  "createdAt": "2026-09-11T10:00:00Z",
  "updatedAt": "2026-09-11T10:30:00Z"
}

{
  "error": "Invalid API key",
  "code": "unauthorized"
}

{
  "error": "This API key lacks the 'agent' scope",
  "code": "forbidden_scope"
}

{
  "error": "Phone number not found",
  "code": "telephony_number_not_found"
}

{
  "error": "This phone number is not active",
  "code": "telephony_number_not_active"
}

{
  "error": "body.toNumber: must be an E.164 phone number, e.g. +14155551234",
  "code": "invalid_request",
  "details": [
    {
      "loc": "body.toNumber",
      "message": "must be an E.164 phone number, e.g. +14155551234"
    }
  ]
}

{
  "error": "Rate limit exceeded",
  "code": "rate_limited",
  "limit": 100,
  "current": 101
}

{
  "error": "The telephony provider rejected the request",
  "code": "telephony_plivo_error"
}

{
  "error": "Phone number rental is not available right now",
  "code": "telephony_not_configured"
}