MAD Monkey Pay - Payment Gateway for Modern Businesses

Getting Started

4 of 6 steps completed

Create your merchant account

Verify your business information

Connect your bank account for payouts

Set up your branding and receipt logo

Create your first payment link

Process your first live transaction

Total Revenue

$148,392

+12.8% from last month

Transactions Today

47

+8 vs yesterday

Success Rate

97.3%

+0.5% this week

Avg Transaction

$115.61

-$3.20 from last week

Revenue (Last 7 Days) +12.8%

Live Transactions

Last 24h

Transactions This Week

312

+23 vs last week

Transactions This Month

1,284

+156 vs last month

Pending Payouts

$12,480

Next payout: May 30

Transaction ID	Date	Customer	Amount	Status	Method

Available for Payout

$12,480.00

Next payout

May 30, 2026

Schedule

Daily (T+1)

Bank

Chase ****6789

Bank Account

Chase Business Checking

Routing: ****0021 | Account: ****6789

Verified

Payout ID	Date	Amount	Status	Destination
po_a1b2c3	May 27, 2026	$3,420.50	Completed	Chase ****6789
po_d4e5f6	May 26, 2026	$5,102.30	Completed	Chase ****6789
po_g7h8i9	May 25, 2026	$2,891.00	Completed	Chase ****6789
po_j0k1l2	May 24, 2026	$4,210.75	Completed	Chase ****6789
po_m3n4o5	May 23, 2026	$6,330.20	Completed	Chase ****6789

Name	Amount	URL	Status	Uses
Website Design Package	$2,500.00	pay.madmonkey.media/l/web-design	Active	3
SEO Monthly Retainer	$799.00	pay.madmonkey.media/l/seo-monthly	Active	12
Logo Design	$450.00	pay.madmonkey.media/l/logo	Active	7
Social Media Setup	$350.00	pay.madmonkey.media/l/social-setup	Inactive	5

Process a Payment

Customer Name

Customer Email (for receipt)

Card Number

Expiration

CVC

ZIP

Amount (USD)

Description

Invoice #	Customer	Amount	Status	Due Date
INV-2026-0041	Acme Corp	$3,200.00	Paid	May 15, 2026
INV-2026-0042	TechStart LLC	$1,500.00	Sent	Jun 1, 2026
INV-2026-0043	GreenLeaf Co	$890.00	Overdue	May 20, 2026
INV-2026-0044	BlueSky Inc	$4,750.00	Draft	Jun 15, 2026

Open Disputes

2

Dispute Rate

0.4%

Below 1% threshold

Win Rate

72%

Dispute #dsp_001 - Needs Response

Action Required

Amount

$89.99

Reason

Product not received

Customer

John Doe

Due Date

Jun 5, 2026

Dispute #dsp_002 - Under Review

Under Review

Amount

$245.00

Reason

Not as described

Customer

Jane Smith

Due Date

Jun 2, 2026

Dispute #dsp_003 - Won

Won

Amount

$34.50

Reason

Duplicate charge

Customer

Bob Wilson

Resolved

May 22, 2026

API Keys

Use these keys to authenticate API requests. Keep your secret key private -- never share it in client-side code.

Publishable pk_live_mmm_xxxxxxxxxxxxxxxxxxxxxxxx

Secret sk_live_mmm_****************************

Webhooks

Webhook Endpoint URL

Signing Secret whsec_xxxxxxxxxxxxxxxxxxxxxxxx

Events: payment.completed, payment.failed, payout.created, dispute.created, invoice.paid

Branding

Primary Color

Accent Color

Receipt Logo URL

Fraud Rules

Require CVC verification

Decline transactions without a valid CVC code

Require AVS match

Decline transactions where address does not match

Block prepaid cards

Decline payments from prepaid or gift cards

Maximum transaction amount

Automatically flag transactions above this amount

Velocity limit

Maximum transactions per card per hour

Overview Authentication Charges Payment Links Invoices Webhooks SDKs Errors

MAD Monkey Pay API

The MAD Monkey Pay API is organized around REST. Our API accepts JSON-encoded request bodies, returns JSON-encoded responses, and uses standard HTTP response codes and authentication.

Base URL: https://api.pay.madmonkey.media/v1

Authentication

Authenticate requests by including your secret API key in the Authorization header as a Bearer token.

curl https://api.pay.madmonkey.media/v1/charges \
  -H "Authorization: Bearer sk_live_mmm_your_secret_key" \
  -H "Content-Type: application/json"

API Endpoints

POST /v1/charges

Create a new charge to bill a customer's card or bank account.

GET /v1/charges

List all charges with optional filters for status, date range, and customer.

GET /v1/charges/:id

Retrieve a single charge by its unique identifier.

POST /v1/charges/:id/refund

Refund a charge in full or partially.

POST /v1/payment-links

Create a shareable payment link with a fixed or variable amount.

POST /v1/invoices

Create and optionally send an invoice to a customer.

GET /v1/payouts

List all payouts to your connected bank account.

Create a Charge (Example)

// JavaScript SDK
const madpay = require('@madmonkey/pay')('sk_live_mmm_your_key');

const charge = await madpay.charges.create({
  amount: 2500,          // amount in cents ($25.00)
  currency: 'usd',
  source: 'tok_visa_4242',
  description: 'Website design deposit',
  metadata: {
    order_id: 'ORD-1234',
    customer_email: 'client@example.com'
  }
});

console.log(charge.id);   // "ch_1a2b3c4d5e"
console.log(charge.status); // "succeeded"

# Python SDK
import madmonkey_pay

madmonkey_pay.api_key = "sk_live_mmm_your_key"

charge = madmonkey_pay.Charge.create(
    amount=2500,
    currency="usd",
    source="tok_visa_4242",
    description="Website design deposit",
)

print(charge.id)      # "ch_1a2b3c4d5e"
print(charge.status)  # "succeeded"

Available SDKs

JavaScript / Node.js

npm install @madmonkey/pay

Python

pip install madmonkey-pay

PHP

composer require madmonkey/pay-php

Ruby

gem install madmonkey_pay

Webhook Events

Configure a webhook endpoint to receive real-time notifications when events occur in your account.

// Verify webhook signature (Node.js)
const event = madpay.webhooks.constructEvent(
  request.body,
  request.headers['madpay-signature'],
  'whsec_your_signing_secret'
);

switch (event.type) {
  case 'payment.completed':
    // Handle successful payment
    break;
  case 'payment.failed':
    // Handle failed payment
    break;
  case 'dispute.created':
    // Handle new dispute
    break;
}

Payment processingbuilt for growth

Everything you need to get paid

Card Payments

ACH Bank Transfers

PCI Level 1 Compliance

Invoicing

Instant Payouts

Developer-First API

Simple, transparent pricing

Apply for a merchant account

Application Submitted

Overview

Getting Started

Revenue (Last 7 Days) +12.8%

Live Transactions

Transactions

Payouts

Available for Payout

Bank Account

Payout History

Payment Links

Create Payment Link

Virtual Terminal

Process a Payment

Invoicing

Create Invoice

Disputes

Dispute #dsp_001 - Needs Response

Dispute #dsp_002 - Under Review

Dispute #dsp_003 - Won

Settings

API Keys

Webhooks

Branding

Fraud Rules

Require CVC verification

Require AVS match

Block prepaid cards

Maximum transaction amount

Velocity limit

Developer

MAD Monkey Pay API

Authentication

API Endpoints

Create a Charge (Example)

Available SDKs

Webhook Events

Payment processing
built for growth