How to Build Your Own Payhawk
Replace Payhawk with a custom build. Expense management on autopilot with linked business credit cards
Build Difficulty: 5/5
Build a working replacement in a weekend with AI tools
Estimated Timeline
Based on 49 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Key Features to Replicate
Top features across 8 categories. See all 49 features
AI(9 features)
Advanced optical character recognition for bill and invoice processing
AI agent that remembers personal preferences for travel bookings
Extract and reconcile receipts and invoices using AI with support for 65+ languages
AI-powered payment processing for travel bookings
AI agent for financial control and oversight
+4 more in this category
Payment(7 features)
Manage bills, workflows, and supplier payments with end-to-end bill management
Connect any existing credit card program to Payhawk
Strategic liquidity on demand with credit facilities safeguarded by J.P. Morgan
Support for multiple currencies in corporate cards and transactions
Payhawk branded Visa credit cards available in 32 countries
+2 more in this category
Automation(6 features)
Automated matching of purchase orders with invoices and receipts
Automatically generate expense reports from travel and other spending
Automatically categorize expenses and route for approvals
Automated system to chase and collect missing receipts from employees
Collect receipts at the point of sale and automatically match them to transactions
+1 more in this category
Integration(5 features)
Integration with Workday, SAP SuccessFactors, UKG, ADP, Ceridian, Paychex, Paylocity
10+ native bidirectional ERP integrations including NetSuite, Dynamics Business Central, Microsoft Finance, and Sage Intacct
Export data with customizable 'set and forget' template builder supporting unlimited customizations
50+ HRIS and IdP integrations for user provisioning and manager assignment
Real-time integrations with Xero, QBO, and Exact Online with unlimited custom exports
Security(4 features)
ISO 27001 certification for information security management
Industry-leading PCI DSS Level 1 compliance for payment security
SOC 2 compliance certification for security and availability
Single sign-on support for Okta, Microsoft Entra, GSuite, JumpCloud
Controls(3 features)
Detect discrepancies in procurement by amount and percentages
Control every company swipe in real-time without waiting for card statements
Assign spend policies and track budgets in real-time by any dimension or category
Procurement(3 features)
Employee-friendly purchase intake for procurement requests
Create and manage purchase orders within the platform
Manage vendors and verify vendor information
Travel(3 features)
Book, pay, and manage compliant business travel anywhere in the world
Define and enforce custom travel policies for employees
Book hotels and flights globally with zero markup
Cost Calculator
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Build It Yourself
Total Cost Comparison
DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 49 features at very easy complexity.