For fintech partners & developers

Stablecoin payment infrastructure. Programmable. Multi-rail.

SmashPay is a B2B2C stablecoin payments fintech. The API gives distribution partners programmable access to real-time stablecoin settlement across any corridor rail.

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API capabilities

Real-time stablecoin settlement

Settle on-chain in near-real-time. Fiat delivery depends on the local rail; stablecoin leg is instant.

Multi-rail routing

Route to any bank, stablecoin wallet, e-wallet, or card in 150+ countries from a single API call.

Multi-recipient orchestration

Split one payment across multiple recipients in different corridors. One transaction, many destinations.

Programmable compliance

AML/KYC via Sumsub. FinCEN-registered MSB. Compliance runs in the API — not bolted on.

Sample API flow

POST /v1/payments
{
  "amount": { "value": "5000.00", "currency": "USD" },
  "recipients": [
    { "id": "rec_01", "amount": "2000.00", "rail": "VietQR", "account": "..." },
    { "id": "rec_02", "amount": "2000.00", "rail": "USDC", "wallet": "..." },
    { "id": "rec_03", "amount": "1000.00", "rail": "smashpay", "user": "..." }
  ],
  "idempotency_key": "batch_20260521_001"
}

// Response
{
  "payment_id": "pay_...",
  "status": "processing",
  "stablecoin_settled_at": "2026-05-21T14:32:01Z",
  "recipients": [...]
}

Full API documentation available to verified BD partners after an introductory call.

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