Points of Focus

• Solana launches an API-driven platform targeting banks and payment firms building on-chain products.
• Mastercard and Western Union begin integrating stablecoin settlement and cross-border flows.
• The move signals a shift toward blockchain-based financial rails. 

Solana is positioning itself as infrastructure for real-world payments, not just a high-speed blockchain. Its new Solana Developer Platform (SDP) launched on March 24, 2026 and was announced by the Solana Foundation on X. It is already being adopted by major financial networks to run stablecoin settlement, cross-border transfers, and merchant payments directly on-chain. 

The rollout points to a change in how institutions approach blockchain integration.

The platform is currently live in a test environment, where it bundles custody, compliance, and payment tooling into a single API layer. 

Instead of building separate integrations, institutions can plug into a unified system designed to handle token issuance, fiat and stablecoin flows, with a trading module expected to follow later in 2026.

Introducing Solana Developer Platform

Designed for enterprise, launch financial products on @Solana in weeks instead of months.

Create stablecoins, RWAs, or orchestrate payments with AI-ready APIs that bundle 20+ infra providers.@Mastercard, @WesternUnion, and @Worldpay are… pic.twitter.com/u02ZCDfYlw

— Solana Foundation (@SolanaFndn) March 24, 2026

Solana Developer Platform targets institutional payments infrastructure

SDP is structured around modules that mirror existing financial workflows.

• Issuance: tokenized deposits, stablecoins, and real-world assets
• Payments: fiat rails, on-ramps and off-ramps, cross-border transactions
• Trading: swaps and foreign exchange, expected later in 2026

More than 20 infrastructure providers are integrated at launch, covering custody, compliance, and payment access. This reduces the operational burden that has slowed institutional entry into blockchain systems.

Catherine Gu, head of product for digital assets at the Solana Foundation, said the platform is designed to remove both technical and operational friction for enterprises building on-chain.

Mastercard and Western Union move stablecoin flows on-chain

The early integrations point to how the platform is being used in practice.

Mastercard is using SDP to enable direct stablecoin settlement for customers. Raj Dhamodharan, Executive Vice President of Blockchain and Digital Assets at Mastercard, said the company is testing how blockchain can integrate with its existing global payment network rather than replace it. The effort builds on Mastercard’s broader push into digital assets, including stablecoin settlement capabilities rolled out in 2025 and a global crypto partner program launched in March 2026 to connect blockchain firms with its payments infrastructure.

Western Union is applying the platform to cross-border transfers, adding an on-chain layer to its existing remittance infrastructure. Malcolm Clarke, VP of Digital Assets at Western Union, said the approach extends its network by orchestrating fiat and stablecoin flows through APIs. The move builds on Western Union’s broader blockchain efforts, including plans announced in October 2025 to launch a USD-backed stablecoin on Solana and develop a digital asset network with Anchorage Digital.

Worldpay is applying the platform to merchant settlement and tokenized payment flows, focusing on how businesses can access on-chain settlement without changing their existing systems. Ahmed Zifzaf, Head of Crypto Partnerships at Worldpay, said the goal is to give merchants direct exposure to tokenized assets and new payment models built around digital assets.

These use cases cover the full payment lifecycle: issuance, transfer, and settlement. That breadth moves it from testing use cases to running real payment flows.

Institutional rails emerge as blockchain integrates with finance

Notably, traditional payment networks rely on layered intermediaries to clear and settle transactions. SDP introduces a model where stablecoins and tokenized assets move across programmable infrastructure, while institutions retain control of user-facing services.

Similar moves are already underway across the sector. Visa expanded USDC settlement on Solana for US banking partners in December 2025, signaling growing acceptance of blockchain-based settlement layers within regulated financial systems.

Settlement on @Visa in the US is moving onchain with @USDC! 

For the first time, Visa’s US issuer and acquirer partners can settle with Visa in USDC for near-instant, always-on money movement. https://t.co/7tSn6Ynfs9

— Circle (@circle) December 16, 2025

At the same time, the tokenized real-world asset market has grown to roughly $328 billion as of March 2026, according to RWA.xyz, with stablecoins driving much of that activity. Solana currently holds a smaller share, but its strategy is focused on capturing payment flows rather than competing purely on asset issuance.

What stands out is how quietly this transition is taking place. Institutions aren’t abandoning existing systems. They are extending them, one settlement layer at a time.