Build the future of finance on Monarch Gray Haven API.

Leverage our secure, reliable, and developer-friendly infrastructure to create powerful financial experiences for your customers.

Create an account

// Get account details
{
  "account_id": "acc_123xyz",
  "balance": {
    "currency": "USD",
    "amount": "2540.50"
  },
  "is_active": true
}

What You Can Build

Our RESTful API provides access to the core components of the Monarch Gray Haven platform.

Payments

Initiate, track, and manage domestic and international payments with our robust payments engine.

Cards

Programmatically issue, manage, and control virtual and physical cards for your users or business.

Accounts

Access real-time balance information, transaction history, and account details with granular permissions.

Simple to Integrate

Get up and running in minutes with our intuitive API design and comprehensive documentation.

curl https://api.monarchgrayhaven.com/v1/transactions \
  -H "Authorization: Bearer sk_test_..." \
  -H "Content-Type: application/json"

import requests

headers = {
    'Authorization': 'Bearer sk_test_...',
}

response = requests.get(
    'https://api.monarchgrayhaven.com/v1/transactions', 
    headers=headers
)

const axios = require('axios');

axios.get('https://api.monarchgrayhaven.com/v1/transactions', {
  headers: {
    'Authorization': 'Bearer sk_test_...'
  }
});

Start Building in Minutes

Create an Account

Get Your API Keys

Generate your unique test API keys from the developer dashboard to start making requests.

Explore the Docs

Dive into our comprehensive documentation for detailed guides and endpoint references.

Go Live

When you're ready to launch, follow our simple guide to transition from test to live keys.

Ready to Start Building?

Explore our complete API reference, guides, and SDKs to see what's possible with Monarch Gray Haven. For enterprise solutions, contact our sales team.

Contact Sales