gistfile1.txt

# Scenario 1: Customer is not found
> curl -u {PLATFORM_KEY}: https://api.stripe.com/v1/charges \
  -H "Stripe-Account: acct_<serviceprovider>" 
  -d amount=10000 
  -d currency=usd 
  -d customer=cus_<customer> 
  -d source=src_<cardoncustomer> 
  -d application_fee=75 
  
{
  "error": {
    "type": "invalid_request_error",
    "message": "No such customer: cus_<customer>",
    "param": "customer"
  }
}

# Scenario 2: Causes application fee to also be sent to the service provider
> curl -u {PLATFORM_KEY}: https://api.stripe.com/v1/charges \
  -d amount=10000
  -d currency=usd
  -d customer=cus_<customer>
  -d source=src<cardoncustomer>
  -d destination[account]=acct_<serviceprovider>
  -d application_fee=75

# Scenario 3: Fragile (based on hardcoded Stripe number)
> curl -u {PLATFORM_KEY}: https://api.stripe.com/v1/charges \
  -d amount=10000
  -d currency=usd
  -d customer=cus_<customer>
  -d source=src_<cardoncustomer>
  -d destination[account]=acct_<serviceprovider>
  -d destination[amount]=$((9710 - 75))
<creates the charge with 0.75 retained with the platform>

# Scenario 4: Tried out of desperation
> curl -u {PLATFORM_KEY}: https://api.stripe.com/v1/charges \
  -d amount=10000
  -d currency=usd
  -d customer=cus_<customer>
  -d source=src_<cardoncustomer>
  -d application_fee=75
  -d on_behalf_of=acct_<serviceprovider>
{
  "error": {
    "type": "invalid_request_error",
    "message": "Can only apply an application_fee when the request is made on behalf of another account (using an OAuth key, the Stripe-Account header, or the destination parameter).",
    "param": "application_fee"
  }
}