Payhawk Corporate Spend Management API
Payhawk corporate spend management REST API for finance teams and CFOs at European companies to manage corporate cards, expense claims, invoices, and accounting synchronization in a unified spend management platform. Enables AI agents to manage corporate card issuance and limit management for spend control automation, handle receipt and expense submission for employee expense workflow automation, access invoice capture and AP payment scheduling for accounts payable automation, retrieve real-time spend analytics and budget tracking for financial reporting automation, manage multi-entity and multi-currency operations for European holding company automation, handle expense policy enforcement and approval routing for compliance automation, access ERP and accounting software synchronization (Xero, QuickBooks, NetSuite, SAP) for automated bookkeeping, retrieve VAT reclaim data extraction for European tax compliance automation, manage team and budget structure for cost center reporting automation, and integrate Payhawk with ERP systems and banks for end-to-end corporate spend control.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Corporate spend. GDPR, PSD2, FCA. OAuth2. EU/UK. Card, expense, and AP financial data.
⚡ Reliability
Best When
A European finance team or CFO wanting AI agents to automate corporate card management, employee expense capture, AP invoice processing, budget tracking, and ERP synchronization within Payhawk's spend management platform.
Avoid When
PSD2 STRONG CUSTOMER AUTHENTICATION FOR CARD PAYMENTS: Payhawk corporate cards in EEA are subject to PSD2 SCA requirements for certain transaction categories; automated card payment workflows must account for SCA challenge scenarios; fully automated card payment execution without SCA handling creates transaction decline for SCA-required amounts in European markets. MULTI-ENTITY VAT REGISTRATION COMPLEXITY: Payhawk supports multi-entity structures but VAT registration per entity varies by EU member state; automated VAT reclaim extraction for multi-entity European operations must correctly attribute expenses to the registered VAT entity in each country; automated cross-entity VAT reclaim without entity-level registration verification creates incorrect VAT return submissions. GDPR EMPLOYEE EXPENSE DATA RETENTION: Automated expense data storage via Payhawk constitutes employee financial data under GDPR; automated retention policies must comply with EU accounting record retention requirements (minimum 7 years in most EU member states); automated deletion of expense records before retention period creates accounting compliance gap.
Use Cases
- • Issuing corporate cards from spend control automation agents
- • Capturing expenses from employee reimbursement workflow agents
- • Processing invoices from AP automation agents
- • Tracking budgets from finance reporting agents
Not For
- • Personal expense reimbursement for consumers (use personal finance apps)
- • Enterprise procurement with complex sourcing (use SAP Ariba or Coupa)
- • US-only corporate card programs (Payhawk is Europe-focused)
Interface
Authentication
Payhawk uses OAuth 2.0 with scopes for API access. REST API with JSON. Sofia, Bulgaria HQ with London office. Founded 2018 by Hristo Borisov, Boyko Karadzhov, and Konstantin Djikov. Backed by Lightspeed Venture Partners, QED Investors ($215M+ raised, unicorn valuation). Products: Corporate Visa cards (physical and virtual), expense management, invoice AP, ERP sync. Operates in UK and EU. FCA-authorized e-money institution. EMI license via UK FCA. GDPR. Competes with Pleo, Spendesk, and Yokoy for European corporate spend management.
Pricing
Sofia Bulgaria / London UK. Lightspeed, QED backed. Unicorn. Per-user subscription. UK/EU focused. No free tier.
Agent Metadata
Known Gotchas
- ⚠ CARD LIMIT vs BUDGET LIMIT DISTINCTION: Payhawk has separate card-level spend limits and budget/cost center limits; automated card issuance must configure both card limit and budget allocation; automated card creation with only card limit set but no budget allocation creates card that declines at transaction even when card limit is not reached if budget is exhausted
- ⚠ INVOICE PAYMENT SCHEDULING BANKING DAY DEPENDENCY: Payhawk invoice AP payment scheduling respects banking day calendars; automated payment scheduling must account for banking holidays in target country; automated invoice payment scheduled on bank holiday creates next-business-day payment which may miss supplier payment terms and trigger late payment interest
- ⚠ ERP SYNC FIELD MAPPING CONFIGURATION PER ENTITY: Payhawk ERP synchronization (NetSuite, SAP) requires field mapping configuration per entity; automated multi-entity bookkeeping must verify field mapping exists for each entity before posting; automated ERP sync for unmapped entities creates sync failure without graceful fallback
- ⚠ RECEIPT MATCHING TOLERANCE FOR CORPORATE CARD RECONCILIATION: Payhawk receipt-to-transaction matching uses amount and merchant matching with configurable tolerance; automated receipt matching for foreign currency transactions must account for FX variance between receipt amount and card charge; automated reconciliation with zero tolerance on multi-currency transactions creates unmatched receipt backlog
- ⚠ EMPLOYEE OFFBOARDING CARD TERMINATION SEQUENCING: Payhawk card termination for departed employees must be sequenced with expense report completion; automated card termination triggered by HR offboarding event may terminate cards with pending expense claims; implement expense report completion check before automated card termination to avoid orphaned unclaimed expenses
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Scores are editorial opinions as of 2026-03-07.