PayRun.IO

payrun · Finance

Finance No Auth Free & Open financial

Open, scableable, transparent payroll API.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Gets all employers

Gets links to all employers contained under the authorised application scope

https://api.apis.guru/v2/specs/payrun.io/22.23.10.42/Employers

Hover any highlighted part to learn what it does

Headers — extra info sent with the request

Api-Version	default
Authorization	Auto

curl -X GET "https://api.apis.guru/v2/specs/payrun.io/22.23.10.42/Employers" \
  -H "Api-Version: default" \
  -H "Authorization: Auto"

import requests
headers = {
    "Api-Version": "default",
    "Authorization": "Auto"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/payrun.io/22.23.10.42/Employers",
    headers=headers,
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/payrun.io/22.23.10.42/Employers';

const response = await fetch(url, {
  headers: {
    'Api-Version': 'default',
    'Authorization': 'Auto'
  },
}); 
const data = await response.json();
console.log(data);

package main

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

func main() {
	targetURL := "https://api.apis.guru/v2/specs/payrun.io/22.23.10.42/Employers"
	req, _ := http.NewRequest("GET", targetURL, nil)
	req.Header.Set("Api-Version", "default")
	req.Header.Set("Authorization", "Auto")

	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/payrun.io/22.23.10.42/Employers")

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

req = Net::HTTP::Get.new(uri)
req["Api-Version"] = "default"
req["Authorization"] = "Auto"

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/payrun.io/22.23.10.42/Employers";
$opts = ["http" => [
    "method" => "GET",
    "header" => implode("\r\n", [
        "Api-Version: default",
        "Authorization: Auto"
    ]),
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Get health check status

Returns the health status of the application

https://api.apis.guru/v2/specs/payrun.io/22.23.10.42/Healthcheck

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/payrun.io/22.23.10.42/Healthcheck"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/payrun.io/22.23.10.42/Healthcheck",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/payrun.io/22.23.10.42/Healthcheck';

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/payrun.io/22.23.10.42/Healthcheck"
	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/payrun.io/22.23.10.42/Healthcheck")

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/payrun.io/22.23.10.42/Healthcheck";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Gets the Journal instructions templates for the application

Get links to all journal instruction templates for the application

https://api.apis.guru/v2/specs/payrun.io/22.23.10.42/JournalInstructions

Hover any highlighted part to learn what it does

Headers — extra info sent with the request

Api-Version	default
Authorization	Auto

curl -X GET "https://api.apis.guru/v2/specs/payrun.io/22.23.10.42/JournalInstructions" \
  -H "Api-Version: default" \
  -H "Authorization: Auto"

import requests
headers = {
    "Api-Version": "default",
    "Authorization": "Auto"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/payrun.io/22.23.10.42/JournalInstructions",
    headers=headers,
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/payrun.io/22.23.10.42/JournalInstructions';

const response = await fetch(url, {
  headers: {
    'Api-Version': 'default',
    'Authorization': 'Auto'
  },
}); 
const data = await response.json();
console.log(data);

package main

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

func main() {
	targetURL := "https://api.apis.guru/v2/specs/payrun.io/22.23.10.42/JournalInstructions"
	req, _ := http.NewRequest("GET", targetURL, nil)
	req.Header.Set("Api-Version", "default")
	req.Header.Set("Authorization", "Auto")

	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/payrun.io/22.23.10.42/JournalInstructions")

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

req = Net::HTTP::Get.new(uri)
req["Api-Version"] = "default"
req["Authorization"] = "Auto"

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/payrun.io/22.23.10.42/JournalInstructions";
$opts = ["http" => [
    "method" => "GET",
    "header" => implode("\r\n", [
        "Api-Version: default",
        "Authorization: Auto"
    ]),
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗

See official documentation for authentication and setup.

What can you build with PayRun.IO?

PayRun.IO 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. PayRun.IO is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide

Open documentation ↗