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Payment Integration Delays Are Blocking Your Launch
You need to add a new PSP to expand into a new region, reduce costs, or meet compliance requirements. But integration is more complex than expected. Documentation is incomplete. Webhook handling is tricky. Error scenarios aren't well-documented. Testing takes forever.
Your engineering team is stuck in payment plumbing instead of building features that differentiate your product.
This service delivers production-ready PSP integrations in 2-3 weeks, with proper error handling, comprehensive testing, and operational playbooks your team can actually use.
What's Included
Production-Ready PSP Integration
Complete implementation with enterprise-grade reliability:
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Core payment flows: authorization, capture, void, refund, partial refund
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Webhook handling: signature verification, retry logic, idempotency guarantees
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Error mapping: comprehensive PSP error codes translated to actionable responses
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Regional compliance: 3DS2, SCA, data residency requirements built-in
Unified API Layer + Testing Infrastructure
Consistent interface across providers with validated test coverage:
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Standardized contracts: same API shape regardless of underlying PSP
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Sandbox test suite: successful payments, declines, edge cases, webhook flows
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Provider switching: swap PSPs without changing downstream code
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Observability: structured logging, key metrics, alerting recommendations
Operational Enablement
Everything your team needs to run and maintain the integration:
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Technical documentation: implementation details, architecture decisions, API patterns
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Operational playbooks: reconciliation guides, support runbooks, incident response procedures
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Handover session: 1-2 hour walkthrough covering testing, monitoring, and ongoing maintenance
Prerequisites (from You)
Access & Credentials
PSP sandbox accounts with API keys and webhook secrets
Infrastructure access: staging environment, CI/CD pipeline for deployment and testing
Existing payment code (if adding to current system)
Working Sessions
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Clarification session (1-2 hours): payment flows, currencies, regions, business requirements
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Use case priorities: which payment methods matter most, expected volume, compliance needs
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Pricing & Timeline
Investment: Starting from €8,000 per PSP/APM
Timeline: 2–3 weeks from kickoff to production-ready handover
Pricing depends on PSP complexity, number of payment methods, regional requirements, and integration with existing systems. Timeline assumes timely access to sandbox credentials and requirements clarification.
Words from our partners
Dan White
Co-Founder, Localvore
“
I appreciate Crafting Software because we wouldn’t be here if we’d gone through another round of not having the right team.
There would be no business and we wouldn’t get any investment opportunities if Crafting Software didn’t work out for Localvore — straight up, there would be no Localvore.
Ted Gay
Co-Founder, Athena
“
It’s easy to work with Crafting Software — they’re all very good people.
The team excels at project management. We’ve changed courses a few times, and the Crafting Software team has been willing to adjust to the number of resources we need. Overall, they’ve been a great partner who understands our vision.
Joshua Hall
VP of Product, Reva Technology
“
I’ve worked with plenty of teams over the last 20 years, and Crafting Software is top-notch.
They think about second- and third-order problems of how they can do their jobs better and how they can impact their customers effectively. That’s uncommon in my experience.
On top of that, they clearly take pride in their work.
PSP Integration Quickstart FAQ
1. Which payment providers do you support?
All major global PSPs (Stripe, Adyen, Checkout.com, Braintree, PayPal, Worldpay) and regional payment methods across LATAM (PIX, Mercado Pago), Europe (iDEAL, Sofort, Giropay), Balkans (Payspot), Asia (Alipay, WeChat Pay), and Middle East (local card schemes). If you need a provider not listed, the integration methodology applies—though timeline may extend slightly for less common providers with weaker documentation. The service works for both card processors and alternative payment methods.
2. Do you build integrations from scratch, or work with our existing payment code?
Both. For new integrations (first PSP), the service builds a clean, production-ready foundation with proper architecture patterns. For adding additional PSPs to existing systems, the integration adapts to your current code structure while introducing improvements—unified error handling, better webhook management, cleaner abstraction layers. The goal is always consistency: whether this is PSP #1 or PSP #5, the implementation follows the same patterns, making future additions easier.
3. What happens after the integration is live, do you provide ongoing support?
The deliverable includes complete handover documentation and operational playbooks so your team maintains the integration independently. Most integrations run smoothly once launched—PSP APIs are stable. If issues emerge (PSP API changes, new payment methods, regional expansion requiring additional configuration), many clients engage for specific updates or enhancements. Ongoing support isn't included but can be arranged separately. The goal is making your team self-sufficient, not creating dependency.
4. How do you handle compliance requirements like PSD2/SCA or PCI DSS?
The integration implements required compliance patterns: 3DS2 flows for EU/UK transactions, proper SCA exemption handling, PCI-compliant tokenization (never storing raw card data), and secure webhook signature verification. However, this service focuses on technical integration—not comprehensive compliance auditing. If you need in-depth SCA optimization or payment security assessment, the 3DS2/SCA Compliance Fix service addresses those specifically. For most businesses, the compliance patterns built into this integration satisfy regulatory requirements for launching in new regions.
5. Can you integrate multiple PSPs at once, or is it one at a time?
The service scopes one PSP per engagement to ensure quality and proper testing. However, if you need multiple PSPs for a multi-region launch, they can be done in parallel or in rapid sequence (e.g., Stripe for US + Adyen for EU). The unified API layer design means each additional PSP after the first takes slightly less time since the abstraction patterns already exist. Most clients start with their primary PSP, validate in production, then add secondary providers—reducing risk and allowing iterative testing of the unified interface.
