# Simulate (Sandbox)

## POST /v0/customers/{customer\_id}/onramp-transfer/simulate

> Simulate Onramp Transfer Actions

```json
{"openapi":"3.0.0","info":{"title":"Onramp API","version":"0"},"servers":[{"url":"https://api.alignlabs.dev","description":"Production server"},{"url":"https://api-sandbox.alignlabs.dev","description":"Sandbox server"}],"paths":{"/v0/customers/{customer_id}/onramp-transfer/simulate":{"post":{"summary":"Simulate Onramp Transfer Actions","parameters":[{"name":"customer_id","in":"path","description":"The unique identifier of the customer","required":true,"schema":{"type":"string","format":"uuid"}},{"name":"Api-Key","in":"header","description":"Your secret API key, available in the developer dashboard. Include this header on every request to authenticate your application.","required":true,"schema":{"type":"string"}}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","required":["action","transfer_id"],"properties":{"action":{"type":"string","enum":["complete_transfer"],"description":"The action to simulate"},"transfer_id":{"type":"string","format":"uuid","description":"The ID of the transfer to simulate action on"},"simulation_overrides":{"type":"object","description":"Optional overrides for simulation","properties":{"deposit_source":{"type":"object","required":["virtual_account_id"],"properties":{"virtual_account_id":{"type":"string","format":"uuid","description":"The virtual account ID to use as deposit source"}}}}}}}}}},"responses":{"200":{"description":"Successful simulation response","content":{"application/json":{"schema":{"type":"object","required":["message"],"properties":{"message":{"type":"string","description":"A message describing the result of the simulation"}}}}}}}}}}}
```


---

# Agent Instructions: Querying This Documentation

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.alignlabs.dev/align-api/onramp-transfers/simulate-sandbox.md?ask=<question>
```

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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.