---
title: "Changes to Sandbox simulations (bank transfers, VAN transfers, or customer verification directives)"
method: POST
path: "/sandbox-simulations"
---

# Changes to Sandbox simulations (bank transfers, VAN transfers, or customer verification directives)

`POST /sandbox-simulations`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 34 revisions.

- **2026-03-26** `0e13062ae3be` — 3 breaking, 3 info
- **2025-10-30** `a62579d8e801` — 1 breaking
- **2025-10-30** `a3965fc5587c` — 1 info

## Changes

- **2026-03-26** `0e13062ae3be` — 3 breaking, 3 info
  - the request's body type changed from `object` to no type
  - added `#/components/schemas/SandboxSimulationBankProcessingResponse, #/components/schemas/SandboxSimulationCustomerVerificationResponse` to the response body `oneOf` list for the response status `200`
  - the response's body type changed from `object` to no type for status `200`
  - added `#/components/schemas/SandboxSimulationVirtualAccountTransfersRequest, #/components/schemas/SandboxSimulationCustomerVerificationRequest, #/components/schemas/SandboxSimulationBankProcessingRequest` to the request body `oneOf` list
  - added the non-success response with the status `400`
  - added the success response with the status `202`
- **2025-10-30** `a62579d8e801` — 1 breaking
  - added the new required `header` request parameter `Accept`
- **2025-10-30** `a3965fc5587c` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/dwolla/apis/dwolla-api/docs/sandbox-simulations/post.md) · [API](https://skmtc.dev/dwolla/apis/dwolla-api.md) · [Page](https://skmtc.dev/dwolla/apis/dwolla-api/changes/sandbox-simulations/post)