SANDBOX / TESTNET MODETESTNET_ONLY=trueMODE=prototype

This interactive playground runs client-side UI simulations to preview request schemas and error responses. Clicking "Run Simulated Preview" does not call an external bank or broadcast an on-chain transaction, and simulated outputs are never labeled as settled payments.

Interactive Payload Simulator

Multi-Rail Sandbox Playground

Inspect strict JSON request payloads, verify underlying sandbox provider mappings, and preview simulated validation outcomes.

API Reference →

1. SIMULATEDActive in UI Playground

Generated locally by the browser or mock adapter. Zero network calls to any blockchain or bank API. Never produces a real transaction hash or settlement.

2. SANDBOX-CONFIRMEDProvider Test API

Accepted by an external provider's developer sandbox (e.g., Column Sandbox API). Validates integration and ledger accounting, but no real bank funds move.

3. INDEPENDENTLY VERIFIEDPublic Testnet Explorer

Broadcast to a public testnet (XRPL Testnet, Xahau Testnet, Base Sepolia) via backend test suites with an on-chain hash verifiable on a public block explorer.

1. Configure Sandbox Payload

UI Simulation Mode

Select Rail

Provider & Call Disclosurechain: "xrpl"

Provider Called by This Button: None (Browser-Only UI Mock)

Backend Testnet/Sandbox Target: XRPL Altnet Testnet (wss://s.altnet.rippletest.net:51233)

UI Simulation is locally mocked. Full backend testnet execution broadcasts to XRPL Testnet and can be independently verified on testnet.xrpl.org.

Amount (Major USD Units)

Asset (`asset`)

Recipient (`to`)

Simulated Scenario

Equivalent API Request (POST /api/v1/payouts/v2)Strict JSON

{
  "to": "r3ifT7MY1Mx15Xfpc7CXbN8mrQ37wcVLnT",
  "amount": 50,
  "currency": "USD",
  "chain": "xrpl",
  "asset": "RLUSD",
  "memo": "Sandbox test preview",
  "dryRun": true
}

Playground Output

VERIFICATION: SIMULATED (UI MOCK)

Configure parameters and click "Run Simulated Preview" to inspect the simulated response.