Organisations

Solana Foundation agentic payment layer for HTTP APIs. pay CLI handles HTTP 402 (x402 / MPP) with wallet-approved stablecoin payments — no accounts or API keys. Catalog, MCP, gateways for providers. MIT open source.

Issuer of AUSD, a fiat-backed stablecoin with revenue sharing. Launched on Solana with reserves managed by VanEck and State Street.

Global payments infrastructure — APIs and SDKs for payments, payouts, FX, issuing, and embedded finance across 150+ countries. Mobile SDKs for Android, iOS, React Native, and Flutter. CLI and open-source wallet service (Auticuro).

Stablecoin-native business account for global payments, payroll, and treasury — by Squads.

Internet-native crypto neobank: Zerodev wallet, USDC-secured Visa, USD/EUR virtual accounts, agent CLI/MCP.

Global fiat-to-crypto on-ramp and off-ramp infrastructure — card, bank transfer, and local payment methods integrated into wallets, exchanges, and dapps. Solana supported.

Regulated AU/NZ fiat ↔ crypto payments API — quote, swap, withdraw, Ed25519-signed requests.

Fintech company behind Square, Cash App, Spiral, and Bitkey. Its internal App Kit — shipping apps anyone can build — is the case study in our Solana deploy-gap article.

Stablecoin payments orchestration network: single API to regulated on-ramp/off-ramp partner financial institutions (PFIs) across many countries. Non-custodial gateway — not in the flow of funds. Docs at docs.borderless.xyz; OAuth M2M API, identities, accounts, transactions, Benchmark FX widget.

Stablecoin issuance and management platform — mint, burn, and orchestrate fully-reserved stablecoins via API, with banking and compliance handled. Solana is a supported chain.

Stablecoin orchestration platform — virtual accounts, USD/EUR/MXN on/off-ramps, and cross-border transfers via stablecoin rails. Acquired by Stripe in 2024. Solana supported.

Issuer of USDC stablecoin

Payments orchestrator: T+0 merchant settlement financed by stablecoin liquidity pools on Solana and Polygon while card acquirers settle T+3. Colosseum-backed (2nd, Cypherpunk Hackathon); regulated entity Kiwimoney Inc is a FinCEN-registered MSB; $700M+ processed.

Solana-native fiat-backed stablecoin platform — issues Stablebonds and local-currency stables like MXNB (Mexican peso) and Brazilian real, redeemable 1:1.

Stablecoin API for accounts, payments, cards, and yield — Squads' open-finance platform.

FDIC-insured, API-first partner bank (Kansas City) building programmable banking for fintechs and digital-asset companies. BaaS pillars: Lend, Issue, Move, Store. Issuer bank for Bridge×Visa stablecoin-linked cards; first US bank cohort for Visa USDC settlement on Solana. Public REST APIs at docs.lead.bank include blockchain payments with a first-class solana rail (USDC/USDB). Series B $70M at $1.47B (Sep 2025).

Global payments network behind Agent Pay (AP4M) — agentic payment rails we compared head-to-head with x402.

x402 service provider for the Australian market. Pay-per-call AU data (ABN/ASIC, G-NAF, super, weather, postage, BSB) for AI agents, settled in AUD stablecoins on Solana via PayAI, listed on Pay.sh as milysec/*. A Milysec company.

Fiat on-ramp and payments infrastructure, integrated with Phantom wallet

Australian embedded-finance infrastructure for gig platforms and marketplaces: worker KYC/onboarding (incl. ABN), payment acceptance, multi-party payout orchestration, and contractor benefits. API-first / white-label integration.

Tokenized US Treasuries and yield-bearing stablecoins. USDY (yieldcoin) is live on Solana, paying T-bill yield to holders.

Stablecoin issuer and enterprise crypto infrastructure

x402 payment gateway for agents and builders — pay-per-call API access instead of API keys, covered in our x402 + pay.sh article.

x402 payment facilitator on Solana enabling usage-based payments for AI agents, SaaS, and APIs.

Non-custodial wallet for AI agents by MoonPay. Vault wallets, cards, and secrets once; agents pay, sign, swap, and call x402 services through scoped passkey-gated grants over MCP (https://api.paybox.sh/mcp).

Global payments network and issuer of PYUSD — a USD-backed stablecoin that launched on Solana in May 2024 alongside its original Ethereum deployment.

Solana-native stablecoin liquidity layer — USD* multi-stablecoin pool aggregating USDC, USDT, PYUSD and emerging stables behind a single LP token.

Stablecoin-based crypto card and multi-asset wallet app — virtual/physical cards, deposits incl. SOL, credit, P2P.

E-commerce platform with Solana Pay integration

US digital bank issuing the SoFiUSD stablecoin on Solana for payments, citing settlement speed and throughput.

SpherePay: Solana-native stablecoin payments API for businesses. Fiat rails (ACH, wire, SEPA, PIX) to USDC/USDT/EURC; Onramper virtual accounts and Offloader wallets. Powers solana.com/solanaramp. Covered in our Sphere Labs deep dive.

Multi-stablecoin payments infrastructure — unified API for accepting, routing, and settling across USDC, USDT, PYUSD and other stables on Solana and beyond.

Developer platform for stablecoin payments infrastructure — on/off-ramps, FX, virtual accounts, and built-in KYC/AML compliance across 10 chains including Solana.

Token vesting, payroll, and streaming payments

Global payments infrastructure with crypto on-ramp support

Issuer of USDT, the largest stablecoin, live on Solana

Crypto donation infrastructure for nonprofits — accept crypto, stock, and DAF donations. Powers Solana-native charity flows covered in our crypto donations article.

Frictionless crypto payments via links

Bringing Web2's subscription simplicity to Web3. Tributary enables any Solana-based business to offer truly automated recurring payments.

Global payments network running stablecoin settlement on Solana since 2023 (USDC with Worldpay and Nuvei). Ships the Visa Stablecoin Platform, Tokenized Asset Platform (VTAP), Intelligent Commerce agent toolkit, and the Trusted Agent Protocol for agentic commerce. Developer APIs at developer.visa.com.

Open-source Stripe Connect alternative that pays marketplace sellers globally in USDC on Solana. ~$0.002 per payout, instant settlement, Stripe-compatible API and webhooks. Self-hosted. Won Solana Frontier Hackathon Public Good Award.