A clean REST API, a fully-featured sandbox, and the infrastructure to move money across borders — wrapped in one integration that goes live in days, not months.
// Create a cross-border charge
const response = await ft3.transactions.charge({
amount: 3240,
currency: "USD",
payment_method: {
type: "card",
token: "pm_card_4892_visa"
},
merchant_id: "mch_ft3_xxxxxx",
capture: true,
metadata: {
customer_id: "cus_ny_001",
region: "us-east"
}
});
// Response
{
id: "txn_ft3_9xKp2m",
status: "approved",
auth_code:"812744",
auth_rate:97.3
}
Our sandbox mirrors production exactly — so what works in test works in live. No surprises at go-live.
Visit payground-api.ft3pay.com and create your developer account. You'll receive a sandbox_pk_ and sandbox_sk_ key pair immediately.
Use npm install @ft3/payments for Node.js, or call our REST endpoints directly from any language. Full OpenAPI spec available.
Simulate approvals, declines, 3DS challenges, and FX scenarios using our built-in test card set. Sandbox mirrors all production routing logic.
Replace sandbox_pk_ with your live_pk_ key. Our team reviews and activates your live account within 1 business day.
Built by engineers who've run payment infrastructure at scale — designed for reliability, compliance, and speed.
Predictable resource-based endpoints, consistent JSON responses, and detailed error codes. OpenAPI 3.0 spec available for any language.
Mirror of production — test every scenario including declines, 3DS, FX, chargebacks, and payouts before you go live. No surprises.
Real-time event notifications for every state change — charge.approved, payout.sent, dispute.opened. Signed payloads, retry with backoff.
Accept payments in 150+ currencies. Real-time FX rates, settlement in your chosen currency, with transparent conversion markup.
We handle PCI scope so you don't have to. Tokenization and hosted fields mean your servers never touch raw card data.
Dashboard with real-time auth rates, volume, chargebacks, and FX P&L. Full transaction history exportable via API or CSV.
Official SDKs for the most popular platforms. Or use our REST API directly from any language.
The FT3 sandbox is fully open — create an account, get your keys, and start testing in minutes. No credit card required to explore.