Endpoint:
POST /v2/rechargeProviders/{reference}/payments

Authentication:
Grant_type: client_credentials
Scopes: [ credit ]

Headers:
Content-Type: application/json
Authentication: Bearer %access_token%

Request body: 
{
	"userId": "string",
	"amount": integer
}

Response body:
{
  "id": "string",
  "userId": 0,
  "amount": 0,
  "description": "string"
}
CODE

Note that the %access_token% needs to be replaced by the token you received as a response from auth endpoint.