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Sunlight (YC S22)
The infrastructure to grow your card revenue
14 employees · est. 2021 · United States
Xenia Solutions
Expertly crafted algorithm slashes interchange fees for banks, compatible with any card payment system. Proudly launched at Founders Institute.
4 employees · est. 2017 · Bulgaria
Xenia Solutions is the older company (2021 vs 2017); Sunlight (YC S22) is the larger of the two.
Side-by-Side Comparison
| Metric | Sunlight (YC S22) | Xenia Solutions |
|---|---|---|
| Founded | ||
| Founded | 2021 | 2017 older |
| Headquarters | ||
| Headquarters | United States | Bulgaria |
| Employees | ||
| Employees | 14 larger | 4 |
| Industry | ||
| Industry | API, B2B, Financial Services | Financial Services, Payments |
| Funding Stage | ||
| Funding Stage | Pre Seed | Not tracked yet |
| Total Funding | ||
| Total Funding | Not tracked yet | Not tracked yet |
| Funding Rounds | ||
| Funding Rounds | 1 | Not tracked yet |
| Services | ||
| Services | Agentic Portal Payments, Card-on-File Updates, Invoice & Receipt Capture | Not tracked yet |
| Target Customers | ||
| Target Customers | Fintechs, Banks, Card Issuers, Payables Platforms, Financial Institutions | Not tracked yet |
| Taxonomy | ||
| Taxonomy | B2B Payments, API Integration, Card Interchange, Fintech Solutions, Payment Automation, AI-Driven Payments, AP Systems, AR Workflows, Supplier Portals, Operational Efficiency, Payment Infrastructure, Card-on-File Services, Subscription Services, Top-of-Wallet Solutions, Revenue Scaling | Financial Technology, Card Payment Processing, Interchange Fees, Banking Solutions, Data-Driven Workflow, API Integration, Certification Services, Payment Optimization, Founders Institute, Core Banking, Payment Processing Systems, Financial Outcome Optimization |
| Website | ||
| Website | sunlightapi.com | xenia-solutions.com |
About Sunlight (YC S22)
Sunlight (YC S22), a startup founded in 2021, is at the forefront of transforming B2B payment infrastructures. Its core proposition lies in enabling platforms to transform missed card opportunities into tangible revenue through a sophisticated API designed to handle the execution layer of card payme...
About Xenia Solutions
Xenia Solutions is a financial technology startup based in Bulgaria founded in 2017. The company offers innovative solutions for card payment processing for banks, payment processors, and payment facilitator organizations. With the launch at Founders Institute, Xenia Solutions presents its flagship...
We will tell you when either one moves
BounceWatch watches Sunlight (YC S22) and Xenia Solutions for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at Sunlight (YC S22) and Xenia Solutions — by email.
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Related Comparisons
Compiled from the BounceWatch company index. We last looked at Sunlight (YC S22) on 9 Mar 2026, and Xenia Solutions on 14 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
