Polygon Expands Open Money Stack to Include Solana, Bridging Bank Funds and Crypto Payouts

How the Solana Integration Simplifies Cross‑Chain Payments

Polygon Labs announced on Tuesday that its Open Money Stack now supports Solana, allowing businesses built on the fast‑growing blockchain to link directly to U. S. dollar bank accounts and worldwide payout networks through a single API. Early adopters such as Kira are already testing the new integration, which promises to streamline cross‑chain transactions and reduce the friction of moving money between traditional finance and crypto ecosystems.

The addition of Solana to Polygon’s payment infrastructure comes as demand for seamless, multi‑chain financial services intensifies. By unifying bank‑level fiat deposits with on‑chain assets, the platform enables merchants to accept payments, settle invoices, and disburse funds without juggling multiple providers. Polygon’s engineers built the bridge using its existing Open Money Stack, a suite of modular tools that abstracts away the complexities of different blockchains. The Solana module translates native SOL transactions into standard API calls, automatically handling conversion to USD and routing payouts through established banking partners. This approach reduces latency, cuts transaction costs, and offers developers a familiar, REST‑style interface.

Developers can now call a single endpoint to initiate a payment on Solana, trigger fiat conversion, and push the result to a beneficiary’s bank account. Polygon’s documentation highlights automatic compliance checks, real‑time exchange rates, and built‑in reconciliation tools. Kira, a fintech startup that processes gig‑worker earnings, reported that the new stack cut its settlement time from days to under an hour. „We’ve been waiting for a solution that lets us move money between Solana and traditional banks without building custom bridges,” said Kira’s CTO. „Polygon’s API does the heavy lifting, letting us focus on user experience.”

Will This Move Accelerate Mainstream Adoption of Solana?

The integration positions Solana as a viable option for enterprises that previously favored Ethereum or fiat‑only solutions. By lowering technical barriers, Polygon hopes to attract businesses that need high‑throughput, low‑cost transactions—areas where Solana excels. Analysts note that the partnership could boost Solana’s transaction volume, especially in sectors like gaming, NFTs, and decentralized finance where rapid payouts are critical. However, success will depend on the robustness of the API under real‑world load and the ability of banks to support crypto‑linked accounts without regulatory hiccups.

The rollout signals a broader trend of blockchain platforms converging with legacy finance. If the Open Money Stack delivers on its promise of simplicity and reliability, more companies may adopt multi‑chain strategies, blurring the line between digital assets and everyday money. Polygon’s move could spur competitors to launch similar bridges, intensifying the race to create unified payment layers that serve both crypto enthusiasts and traditional businesses.

Frequently Asked Questions

What is Polygon’s Open Money Stack? It is a collection of APIs and services that let developers connect blockchain transactions with fiat banking infrastructure, handling conversion, compliance, and payouts in one place.

How does the Solana integration work technically? Polygon translates Solana’s native transaction format into standard API calls, automatically converting SOL to USD and routing the funds through partnered banks, all while maintaining security and compliance checks.

Which businesses can benefit from this new feature? Any company that needs fast, low‑cost crypto transactions combined with fiat payouts—such as gig platforms, gaming firms, NFT marketplaces, and DeFi protocols—can leverage the Solana‑enabled stack.