Developers · Sandbox

Everything real, except the money.

The sandbox runs the same engine as production, deterministic math, consent enforcement, sealed records, over synthetic customers you can reset anytime.

Request sandbox keysAPI reference

What’s inside

Test customers

Eight personas with six weeks of realistic history, salaries, rent, school fees, esusu contributions.

Test transactions

Post synthetic transactions and watch safe-to-spend recompute with its reason chain.

Test approvals

A one-tap fake biometric approves proposals so you can walk the full propose → approve → record path.

Set up in three steps

1 · Get your keysRequest keys and they arrive with a ready-made tenant and the eight test customers.5 min2 · Make the first readCall safe-to-spend for cus_test_tunde, the response carries its record reference.3 · Walk a full flowPropose a transfer, approve it with the test biometric, then fetch the sealed record.

Sandbox rules

Reset anytimeOne call restores every test customer to day zero.POST /v1/sandbox/reset
Time travelAdvance the clock to trigger paydays, due dates and streaks.POST /v1/sandbox/clock
Nothing leaksSandbox and production are separate planes, separate keys, separate status.

Keys in hand?

The quickstarts take it from here.

Code samplesWebhook testing