Set the payment defaults that connected modules use when they create a transaction.

Configure shared payment behavior before relying on payment methods from Booking or TruCommerce.
These are the shared defaults for TruPayments itself. They are intentionally documented inside the TruPayments section because their effect is cross-module: Booking and TruCommerce can both create transactions through the same payment layer.
The Default Currency is the fallback currency for payment activity when the calling workflow does not supply another supported currency. The Front Prefix controls the public URL segment used by TruPayments screens; changing it is an address/URL decision, not a display-label change.
Gateway credentials do not live on this general TruPayments page; each gateway add-on has its own settings. Customer-visible method availability is controlled by Payment Methods and optional Billing Zones.
A default-currency change can affect newly created payment flows that rely on the default. A Front Prefix change changes TruPayments public URLs and can invalidate old bookmarks or externally stored links.
| Setting | What it controls | Guidance / effect |
|---|---|---|
| Default Currency | The three-letter currency used when a connected module creates a payment without explicitly supplying one. | Use the main currency your installation expects to transact in. Booking or TruCommerce can still pass their own currency for a specific payment when their workflow supports it. |
| Payment URL Prefix | The frontend URL segment used for TruPayments hosted payment pages and callbacks. | Treat this as a routing/branding setting. Changing it changes the public path used by payment pages, so do not change it casually on a live site with payment links in progress. |