curl --request POST \
  --url https://api.example.com/partner/clover/ach \
  --header 'Content-Type: application/json' \
  --header 'X-API-NONCE: <x-api-nonce>' \
  --header 'X-API-SIGNATURE: <x-api-signature>' \
  --header 'X-API-SUBSCRIPTION-KEY: <x-api-subscription-key>' \
  --header 'X-API-TIMESTAMP: <x-api-timestamp>' \
  --header 'X-IDEMPOTENCY-KEY: <x-idempotency-key>' \
  --data '
{
  "amount": 123,
  "originating_account_id": "<string>",
  "external_account_id": "<string>"
}
'

{
  "message": "<string>",
  "data": {
    "reference_id": "<string>",
    "transaction_id": "<string>"
  }
}