curl --request POST \
  --url https://grid.squads.xyz/api/grid/v1/accounts/{address}/external-accounts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-grid-environment: <x-grid-environment>' \
  --data '
{
  "account": {},
  "account_owner_name": "<string>",
  "account_type": "us",
  "address": {},
  "currency": "usd",
  "iban": {},
  "idempotency_key": "<string>",
  "swift": {},
  "account_number": "<string>",
  "account_owner_type": "individual",
  "bank_name": "<string>",
  "business_name": "<string>",
  "first_name": "<string>",
  "last_name": "<string>",
  "routing_number": "<string>"
}
'

{
  "account_owner_name": "<string>",
  "account_type": "<string>",
  "active": true,
  "country": "<string>",
  "created_at": "<string>",
  "currency": "<string>",
  "id": "<string>",
  "provider_syncs": [
    {
      "provider": "<string>",
      "status": "<string>",
      "synced_at": "<string>"
    }
  ],
  "account_owner_type": "<string>",
  "bank_name": "<string>",
  "business_name": "<string>",
  "first_name": "<string>",
  "last_4": "<string>",
  "last_name": "<string>"
}