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PAYONE Link API

pay1 · Finance

Finance No Auth Free & Open payment

PAYONE Link API API

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET List all payment links.

List all payment links.

https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links?mode=example&page=0&limit=25&portalId=example&accountId=example&merchantId=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links?mode=example&page=0&limit=25&portalId=example&accountId=example&merchantId=example"
import requests
params = {
    "mode": "example",
    "page": "0",
    "limit": "25",
    "portalId": "example",
    "accountId": "example",
    "merchantId": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links",
    params=params,
)
print(response.json())
const url = new URL('https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links');
url.searchParams.set('mode', 'example');
url.searchParams.set('page', '0');
url.searchParams.set('limit', '25');
url.searchParams.set('portalId', 'example');
url.searchParams.set('accountId', 'example');
url.searchParams.set('merchantId', 'example');

const response = await fetch(url); 
const data = await response.json();
console.log(data);
package main

import (
	"fmt"
	"io"
	"net/http"
	"net/url"
)

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links")
	q := baseURL.Query()
	q.Set("mode", "example")
	q.Set("page", "0")
	q.Set("limit", "25")
	q.Set("portalId", "example")
	q.Set("accountId", "example")
	q.Set("merchantId", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}
require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links")
uri.query = URI.encode_www_form({
  "mode" => "example",
  "page" => "0",
  "limit" => "25",
  "portalId" => "example",
  "accountId" => "example",
  "merchantId" => "example"
})

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)
<?php
$url = "https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links?" . http_build_query([
    "mode" => "example",
    "page" => "0",
    "limit" => "25",
    "portalId" => "example",
    "accountId" => "example",
    "merchantId" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));
GET Get payment link by id.

Get payment link by id.

https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links/{linkId}

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links/{linkId}"
import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links/{linkId}",
)
print(response.json())
const url = 'https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links/{linkId}';

const response = await fetch(url); 
const data = await response.json();
console.log(data);
package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links/{linkId}"
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}
require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links/{linkId}")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)
<?php
$url = "https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links/{linkId}";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));
POST Create a payment link.

Create a payment link.

https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links

Hover any highlighted part to learn what it does

curl -X POST "https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links"
import requests
response = requests.post(
    "https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links",
)
print(response.json())
const url = 'https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links';

const response = await fetch(url, {
  method: 'POST',
}); 
const data = await response.json();
console.log(data);
package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links"
	req, _ := http.NewRequest("POST", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}
require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Post.new(uri)

res = http.request(req)
puts JSON.parse(res.body)
<?php
$url = "https://api.apis.guru/v2/specs/pay1.de/link/v1/v1/payment-links";
$opts = ["http" => [
    "method" => "POST",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗
  1. See official documentation for authentication and setup.

What can you build with PAYONE Link API?

PAYONE Link API is a Finance API. Developers commonly use finance APIs for:

  • processing payments and handling transactions
  • building subscription and billing systems
  • automating invoicing and financial reporting
  • fraud detection and risk scoring
  • connecting to banking and accounting software

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. PAYONE Link API is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide

Open documentation ↗