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POST
https://api.sand.etherfuse.com
/
ramp
/
order
/
fiat_received
curl -X POST https://api.sand.etherfuse.com/ramp/order/fiat_received \
  -H "Authorization: your-sandbox-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "orderId": "123e4567-e89b-12d3-a456-426614174000"
  }'
Sandbox environment only - This endpoint is only available at https://api.sand.etherfuse.com Simulates the receipt of fiat funds for an onramp order. This allows you to test the complete onramp flow without actually sending money. When creating an onramp order, the customer would normally need to send MXN to the depositClabe returned in the order response. In the sandbox environment, you can use this endpoint to simulate that deposit and trigger the order to proceed to completion.

​
Flow

  1. Create an onramp order via POST /ramp/order
  2. Call this endpoint with the orderId to simulate the fiat deposit
  3. The order will progress through funded → completed status
  4. You’ll receive order_updated webhooks as the order progresses
This endpoint returns an error if called in production environments.

​
Authentication

​
Authorization
string
required
Your sandbox API key

​
Request Body

​
orderId
string
required
The UUID of the onramp order to simulate fiat received for

​
Response

​
200
Fiat received simulation successful. The order will now progress to completion.
​
400
Invalid request. Possible reasons:
  • This endpoint is only available in sandbox or localnet environments
  • The order is not in ‘created’ status
  • The order is not an onramp order
​
404
Order not found
curl -X POST https://api.sand.etherfuse.com/ramp/order/fiat_received \
  -H "Authorization: your-sandbox-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "orderId": "123e4567-e89b-12d3-a456-426614174000"
  }'