---
title: "Simulate a test deposit"
method: POST
path: "/api/fiat/v1/sandbox/transaction/simulate"
tags: ["Fiat"]
---

# Simulate a test deposit

`POST /api/fiat/v1/sandbox/transaction/simulate`

Creates a simulated test deposit transaction for a wallet in non-production environments. Requires the calling user to be an owner or member of the wallet's enterprise. Blocked in production.

## Headers

- `user-id` string, required

## Request body

- SimulateTransactionRequest — Request body for creating a simulated test deposit transaction. Only testnet currencies are accepted. Non-production only.
  - `walletId` string, required — The Go Account wallet ID to create the deposit for.
  - `currency` string, required — A testnet backing fiat currency (e.g., tfiatusd, tfiateur, tfiatsgd).
  - `amount` string — The deposit amount in cents as a string. Defaults to "1000" (i.e., $10.00) if not provided.
  - `type` 'wire' | 'ach' — The transaction type. Defaults to "wire". ACH transactions are created in an incomplete/delayed state with a 1-day clearing window.
  - `instantCreditEligible` boolean — Whether the transaction is eligible for instant credit. Only relevant for ACH transactions. When true and type is ach, the platform is notified immediately.
  - `withdrawHoldReleaseAt` string, date-time — Optional ISO 8601 datetime for when a withdraw hold should be released.
  - `description` string — Optional custom description for the simulated deposit. When provided, replaces the default description. When omitted, defaults to "Test Deposit for {currency} wallet {walletId}".

## Response `200`

OK

## Other responses

- `400` — Bad Request – invalid or missing parameters
- `403` — Forbidden – missing user-id header or user does not have access to the wallet's enterprise
- `500` — Internal Server Error

---

[API](https://skmtc.net/bitgo/apis/bitgo-api.md) · [All operations](https://skmtc.net/bitgo/apis/bitgo-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/bitgo/bitgo-api/revisions/e445c15e5bee/schema)