LiqPay Ukraine Payment Gateway API
LiqPay Ukraine payment gateway REST API for Ukrainian merchants, e-commerce platforms, and businesses to accept Visa, Mastercard, and domestic Prostir card payments, enable recurring billing, process bulk payouts, generate payment links, and integrate with Ukraine's banking infrastructure through PrivatBank's payment platform — the largest Ukrainian bank's payment processing service. Enables AI agents to manage Ukrainian card payment checkout for UAH e-commerce automation, handle payment link generation for Ukrainian invoice payment automation, access recurring billing for Ukrainian subscription automation, retrieve bulk payout for Ukrainian payroll and marketplace disbursement automation, manage payment status for Ukrainian transaction verification automation, handle refund processing for payment reversal automation, access Prostir domestic card for Ukrainian local payment automation, retrieve subscription management for recurring billing automation, manage 3D Secure for Ukrainian card security automation, and integrate LiqPay with Ukrainian e-commerce, NGOs, and service platforms for end-to-end Ukrainian payment automation.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Ukraine payment. NBU, PCI-DSS. SHA1 signed. UA. Card and payment data.
⚡ Reliability
Best When
A Ukrainian merchant, NGO, or marketplace wanting AI agents to accept Visa, Mastercard, and Prostir card payments and process bulk payouts through LiqPay's PrivatBank-backed Ukrainian payment platform.
Avoid When
PRIVATBANK DEPENDENCY: LiqPay is operated by PrivatBank (state-owned Ukrainian bank); automated independence from PrivatBank assumption creates dependency risk; automated LiqPay integration binds merchant to PrivatBank's platform. DATA PARAMETER IS BASE64 ENCODED JSON: LiqPay uses a unique request format where payment data is Base64-encoded JSON with SHA1 signature; automated standard REST JSON body assumption creates signature verification failure; automated must encode data correctly. 3D SECURE IS REQUIRED: Ukrainian card payments require 3D Secure authentication; automated non-3DS processing creates systematic decline; automated must implement 3DS redirect flow. WARTIME OPERATIONAL CONSIDERATIONS: LiqPay operates in Ukraine during ongoing conflict; automated uninterrupted operations assumption requires consideration of infrastructure resilience; automated must implement fallback payment methods for Ukrainian operations.
Use Cases
- • Accepting Visa, Mastercard, and Prostir card payments from Ukrainian consumers for e-commerce checkout agents
- • Processing bulk payouts to Ukrainian freelancers and suppliers from marketplace automation agents
- • Generating payment links for Ukrainian NGO donation and invoice collection automation agents
- • Managing recurring subscription billing for Ukrainian SaaS platform automation agents
Not For
- • Non-Ukrainian markets primarily (LiqPay is Ukraine-focused, limited international reach)
- • High-value international wire transfers (LiqPay is domestic Ukrainian payment focused)
- • Merchants requiring separation from PrivatBank infrastructure (LiqPay is PrivatBank product)
Interface
Authentication
LiqPay uses public_key + private_key with SHA1 signature for authentication. REST API with form-encoded Base64 data. Kyiv, Ukraine. LiqPay operated by PrivatBank (Ukraine's largest bank, state-owned since 2016). Founded 2008. Products: Card payment, payment link, recurring, bulk payout, Prostir, 3DS. SDKs: PHP, Python, Node.js, Java, .NET. NBU-regulated. PCI DSS. Competes with Portmone and WayForPay for Ukrainian payment processing.
Pricing
Kyiv UA. PrivatBank (state-owned). NBU regulated. UAH primary. Per-transaction percentage fees.
Agent Metadata
Known Gotchas
- ⚠ BASE64-ENCODED JSON WITH SHA1 SIGNATURE: LiqPay request format uses data (Base64-encoded JSON) + signature (SHA1 of private_key+data+private_key) — not standard REST JSON; automated standard JSON body assumption creates signature_invalid; automated must encode data correctly and compute SHA1 signature
- ⚠ SHA1 SIGNATURE COMPUTATION IS SPECIFIC: LiqPay signature = SHA1(private_key + Base64(JSON data) + private_key); automated standard HMAC-SHA256 assumption creates wrong signature format; automated must implement exact LiqPay SHA1 signature format
- ⚠ WEBHOOK (SERVER_URL) ALSO BASE64 ENCODED: LiqPay webhooks deliver data as Base64-encoded JSON; automated plain JSON webhook parsing creates garbled data; automated webhook handler must Base64-decode data field before JSON parsing
- ⚠ 3DS REDIRECT IS REQUIRED FOR CARDS: Ukrainian card payments require 3D Secure redirect; automated non-3DS processing creates systematic decline; automated checkout must implement 3DS redirect and await consumer bank OTP
- ⚠ PRIVATBANK INFRASTRUCTURE DEPENDENCY: LiqPay operates on PrivatBank infrastructure; automated assumption of independence from Ukrainian banking situation creates operational risk; automated implementations for Ukraine should maintain fallback payment options
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Scores are editorial opinions as of 2026-03-07.