Confirm Transfer - Build with LINK

POST

transactions

direct_ramp

transfer_sent

Confirm Transfer

curl --request POST \
  --url https://api.linkio.world/transactions/v2/direct_ramp/transfer_sent \
  --header 'ngnc-sec-key: <api-key>'

import requests

url = "https://api.linkio.world/transactions/v2/direct_ramp/transfer_sent"

headers = {"ngnc-sec-key": "<api-key>"}

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

print(response.text)

const options = {method: 'POST', headers: {'ngnc-sec-key': '<api-key>'}};

fetch('https://api.linkio.world/transactions/v2/direct_ramp/transfer_sent', 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.linkio.world/transactions/v2/direct_ramp/transfer_sent",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_HTTPHEADER => [
    "ngnc-sec-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"
	"net/http"
	"io"
)

func main() {

	url := "https://api.linkio.world/transactions/v2/direct_ramp/transfer_sent"

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

	req.Header.Add("ngnc-sec-key", "<api-key>")

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

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

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://api.linkio.world/transactions/v2/direct_ramp/transfer_sent")

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

request = Net::HTTP::Post.new(url)
request["ngnc-sec-key"] = '<api-key>'

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

{
  "status": "Success",
  "message": "onramp transaction, reference LNK-8F3K2A has been initiated.",
  "date": "2026-10-09 11:42"
}

Authorizations

ngnc-sec-key

string

header

default:""

required

Query Parameters

trx_type

enum<string>

required

Transaction type. Only onramp transfers can be confirmed.

Available options:

onramp

reference

string

required

Reference code returned when the deposit was created.

proofOfPayment

string

Publicly reachable URL of the payment receipt. Forwarded to the liquidity partner as proof the transfer was sent.

Example:

"https://example.com/receipt.png"

Response

Transfer confirmed.

status

string

Example:

"Success"

message

string

Example:

"onramp transaction, reference LNK-8F3K2A has been initiated."

date

string

Time the confirmation was processed (UTC, YYYY-MM-DD HH:mm).

Example:

"2026-10-09 11:42"

Confirm Transfer

curl --request POST \
  --url https://api.linkio.world/transactions/v2/direct_ramp/transfer_sent \
  --header 'ngnc-sec-key: <api-key>'

import requests

url = "https://api.linkio.world/transactions/v2/direct_ramp/transfer_sent"

headers = {"ngnc-sec-key": "<api-key>"}

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

print(response.text)

const options = {method: 'POST', headers: {'ngnc-sec-key': '<api-key>'}};

fetch('https://api.linkio.world/transactions/v2/direct_ramp/transfer_sent', 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.linkio.world/transactions/v2/direct_ramp/transfer_sent",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_HTTPHEADER => [
    "ngnc-sec-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"
	"net/http"
	"io"
)

func main() {

	url := "https://api.linkio.world/transactions/v2/direct_ramp/transfer_sent"

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

	req.Header.Add("ngnc-sec-key", "<api-key>")

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

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

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://api.linkio.world/transactions/v2/direct_ramp/transfer_sent")

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

request = Net::HTTP::Post.new(url)
request["ngnc-sec-key"] = '<api-key>'

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

{
  "status": "Success",
  "message": "onramp transaction, reference LNK-8F3K2A has been initiated.",
  "date": "2026-10-09 11:42"
}