EcoPayz Merchant API Integration

ONLY Experienced Freelancers in EcoPayz Merchant API. - We are looking for a fast delivery within 48 hours at most. Info about the job: 1- We have a website which allow the client to deposit funds by choosing the amount and then choosing payment method as: "EcoPayz Account" or " Eco Voucher" 2- For the both we need to use the EcoPayz API Integration. 3- When the user choose "EcoPayz Account" the system will generate all the parameters inside the api link which will take the user to ecopayz website for completing the transaction. And then their server will return the notification of success/failure. 4- When the user choose "Eco Voucher" the system will also generate all the parameters required in the link and complete the transactions on the website of ecopayz. And then their server will return the notification of success/failure. Requirements to do the job faster: - Experience in Checksum! - API Document Experience!