Altisly
Sandbox

Build safely in a full-featured test environment

Use mock institutions, synthetic account data, and test payment flows before going live.

Mock bank connections

Simulate user consent, account linking, and refresh behavior.

Synthetic transaction streams

Test categorization, balances, and reconciliation logic.

Payment simulations

Validate successful, pending, and failed payout and pay-in paths.

Webhook replay

Replay events to test idempotency and retry handling.