BlindPay

BlindPay is an API-first payment infrastructure platform that routes cross-border transactions through stablecoins and connects to local bank payment rails in a single API call. Founded in May 2024 and headquartered in San Francisco, the company joined Y Combinator's Winter 2025 batch and raised a $3.8 million seed round by August 2025 with backing from YouTube co-founder Jawed Karim, LatAm crypto exchange Bitso, 468 Capital, Transpose Platform, and Acacia Venture Capital.

How BlindPay Works

BlindPay sits between stablecoins and conventional banking infrastructure. A developer integrating the REST API can accept a stablecoin deposit, convert it to local fiat, and deliver funds to a recipient's bank account without the recipient ever needing a crypto wallet. The company's core thesis: the stablecoin layer and the local rail layer should be a single API call.

The off-ramp workflow proceeds through sequential REST calls: accept terms of service, create a KYC-verified customer record, establish a funding wallet, add a destination bank account, generate a payout quote (valid for five minutes), then execute the transfer. BlindPay supports two wallet modes. Managed wallets have BlindPay generate addresses and hold keys internally. External wallets require the developer to sign a delegation transaction directly on-chain. Authentication uses Bearer token API keys with UUID-based idempotency keys on write operations. SDKs are available in Node, Go, Swift, PHP, and Python.

Supported Stablecoins and Blockchain Networks

USDC is the primary settlement stablecoin across most supported networks. USDT on Tron is also supported. Multi-chain coverage includes Solana, Ethereum, Polygon, Arbitrum, Base, Stellar, and Tron.

Solana is one of BlindPay's primary settlement chains for USDC-denominated transactions. The platform uses Solana's token delegation mechanism for managed wallet operations, and the docs use Solana Devnet as the reference environment for off-ramp tutorials. The June 2026 SEPA expansion explicitly added USDC from Solana and Stellar to EUR payout support.

On the fiat side, the platform connects to Pix in Brazil, SPEI in Mexico, PSE in Colombia, ACH, Real-Time Payments (RTP), domestic wire, and SWIFT in the United States, and SEPA for EUR payouts in Europe.

Geographic Focus and Expansion

BlindPay's initial market focus is Latin America, where it built direct integrations with Pix, SPEI, and PSE rather than relying on partner off-ramps. The 2026 roadmap targets EU expansion including a CASP license, and Brazilian named accounts under a PSAV license. The August 2026 Payables product launch added the ability to pay invoices, PIX QR codes, utility bills, and tax slips directly from stablecoins.

Team and Background

BlindPay was founded by four co-founders with backgrounds in Brazilian fintech and US financial infrastructure.

Bernardo Simonassi Moura (CEO) is a former PicPay software engineer and ex-Y Combinator Visiting Partner. João Borges (COO) co-founded a major Brazilian blockchain startup and was recognized on Forbes 30 Under 30. Gabriel Lyra (CTO) previously led engineering at LendingClub (infrastructure handling $50 billion in monthly transactions) and is a former AWS infrastructure architect. Gustavo Marinho (CPO) is a PicPay alumnus who designed a loans marketplace that reached a $100 million portfolio.

BlindPay is a Circle Alliance partner, signaling alignment with USDC's issuer on compliance standards.

Compliance and Security

BlindPay is registered with FinCEN as a Money Services Business in the United States. The compliance stack covers KYC/KYB verification, continuous AML transaction monitoring, real-time blockchain sanctions screening, and machine-learning-based fraud detection. The 2026 roadmap targets SOC 2 Type 2 certification alongside compliance with GDPR, DORA, and Brazil's LGPD.

Traction

BlindPay processed $900,000 in total payment volume in 2024. By July 2025, monthly volume had reached $46 million, and full-year 2025 total payment volume reached $450 million alongside $2 million in annualized recurring revenue. The customer base grew from two companies in 2024 to fifty by mid-2025.

Solana Ecosystem Fit

Solana's transaction speed and fee economics make it a practical settlement layer for the volumes that cross-border payment APIs generate. BlindPay's use of Solana as a primary USDC settlement chain reflects the network's established role in stablecoin payment flows. The June 2026 SEPA expansion added Solana as one of the chains from which USDC can be submitted for EUR payouts. For developers building Solana-native applications that need off-ramp access to LatAm banking rails or global SWIFT connectivity, BlindPay consolidates KYC, banking connectivity, and stablecoin conversion into one API.