# Request Parameters

<table data-full-width="false"><thead><tr><th>Parameter Name</th><th>Data Type (Size)</th><th>M/O/C</th><th>Description</th></tr></thead><tbody><tr><td>mpsmerchantid</td><td>an {1..32}</td><td>M</td><td>Merchant login username provided by Fiuu.</td></tr><tr><td>mpschannel</td><td>an {3..32}</td><td>M</td><td>Merchant Unique Transaction / Order / Billing / Reference No.</td></tr><tr><td>mpsamount</td><td>ns{10,2}</td><td>M</td><td>The transaction amount in one bill. Integer or up to 2 decimal points numeric value. Min accepted amount : 1.01</td></tr><tr><td>mpsorderid</td><td>an{1..32}</td><td>M</td><td>Bill / Invoice no. provided by merchant.</td></tr><tr><td>mpsbill_name</td><td>a{1..128}</td><td>M</td><td>Buyer name</td></tr><tr><td>mpsbill_email</td><td>ans{1..128}</td><td>M</td><td>Buyer email</td></tr><tr><td>mpsbill_mobile</td><td>n{1..128}</td><td>M</td><td>Buyer mobile contact number.</td></tr><tr><td>mpsbill_desc</td><td>an{1..200}</td><td>M</td><td>Bill / Description provided by merchant / buyer.</td></tr><tr><td>mpscountry</td><td>a{2}</td><td>O</td><td>Buyer country.</td></tr><tr><td>mpsbill_add</td><td>an{1..200}</td><td>C</td><td>Buyer address, mandatory for Buy Now Pay Later channel.</td></tr><tr><td>mpsbill_zip</td><td>an{1..200}</td><td>C</td><td>Buyer postcode, mandatory for Buy Now Pay Later channel.</td></tr><tr><td>mpsvcode</td><td>an{32}</td><td>M</td><td>This is the data integrity protection hash string provided by merchant.</td></tr><tr><td>mpscurrency</td><td>a{3}</td><td>M</td><td>Payment currency, E.g., IDR, SGD, USD &#x26; etc.</td></tr><tr><td>mpslangcode</td><td>a{2}</td><td>O</td><td>Default language, E.g. 'en' for default</td></tr><tr><td>mpsreturnurl</td><td>ans{1..200}</td><td>O</td><td>Used for multiple return URL. All URLs must be registered beforehand with Fiuu.</td></tr><tr><td>mpsnotifyurl</td><td>ans{1..200}</td><td>O</td><td>Used for multiple notification URL. All URLs must be registered beforehand with Fiuu</td></tr><tr><td>mpscallbackurl</td><td>ans{1..200}</td><td>O</td><td>Used for multiple callback URL. All URLs must be registered beforehand with Fiuu.</td></tr><tr><td>mpstimer</td><td>n</td><td>O</td><td>Duration of payment. Value in minutes. Set 0 to disable this feature, append this to the pre-hashing vcode string if mpstimer is in used</td></tr><tr><td>mpscancelurl</td><td>ans{1..200}</td><td>C</td><td>URL to redirect when the payment is time out. Mandatory when timer is enabled. All payment request parameter will be return. Merchant is advice to implement requery at this page.</td></tr><tr><td>mpsinstallmonth</td><td>n</td><td>C</td><td>Total month of installment. Required for installment payment. E.g: 0, 3, 6, 12, 24</td></tr></tbody></table>