Add this function to your functions.php file in your theme.All support currencies for the Stripe Checkout Gateway for Easy Digital Downloads. http://halgatewood.com/downloads/stripe-checkout-gateway/ Please note that some currencies are not supported by American Express: https://support.stripe.com/questions/which-currencies-does-stripe-support

edd-stripe-checkout-currencies.php

function hg_stripe_checkout_all_currencies( $currencies ) 
{
	$currencies['INR'] = __('Indian Rupee', 'hg_edd');
	$currencies['AED'] = __('United Arab Emirates Dirham', 'hg_edd');
	$currencies['AFN'] = __('Afghan Afghani', 'hg_edd');
	$currencies['ALL'] = __('Albanian Lek', 'hg_edd');
	$currencies['AMD'] = __('Armenian Dram', 'hg_edd');
	$currencies['ANG'] = __('Netherlands Antillean Gulden', 'hg_edd');
	$currencies['AOA'] = __('Angolan Kwanza', 'hg_edd');
	$currencies['ARS'] = __('Argentine Peso', 'hg_edd');
	$currencies['AUD'] = __('Australian Dollar', 'hg_edd');
	$currencies['AWG'] = __('Aruban Florin', 'hg_edd');
	$currencies['AZN'] = __('Azerbaijani Manat', 'hg_edd');
	$currencies['BAM'] = __('Bosnia & Herzegovina Convertible Mark', 'hg_edd');
	$currencies['BBD'] = __('Barbadian Dollar', 'hg_edd');
	$currencies['BDT'] = __('Bangladeshi Taka', 'hg_edd');
	$currencies['BGN'] = __('Bulgarian Lev', 'hg_edd');
	$currencies['BIF'] = __('Burundian Franc', 'hg_edd');
	$currencies['BMD'] = __('Bermudian Dollar', 'hg_edd');
	$currencies['BND'] = __('Brunei Dollar', 'hg_edd');
	$currencies['BOB'] = __('Bolivian Boliviano', 'hg_edd');
	$currencies['BRL'] = __('Brazilian Real', 'hg_edd');
	$currencies['BSD'] = __('Bahamian Dollar', 'hg_edd');
	$currencies['BWP'] = __('Botswana Pula', 'hg_edd');
	$currencies['BZD'] = __('Belize Dollar', 'hg_edd');
	$currencies['CAD'] = __('Canadian Dollar', 'hg_edd');
	$currencies['CDF'] = __('Congolese Franc', 'hg_edd');
	$currencies['CHF'] = __('Swiss Franc', 'hg_edd');
	$currencies['CLP'] = __('Chilean Peso', 'hg_edd');
	$currencies['CNY'] = __('Chinese Renminbi Yuan', 'hg_edd');
	$currencies['COP'] = __('Colombian Peso', 'hg_edd');
	$currencies['CRC'] = __('Costa Rican Colón', 'hg_edd');
	$currencies['CVE'] = __('Cape Verdean Escudo', 'hg_edd');
	$currencies['CZK'] = __('Czech Koruna', 'hg_edd');
	$currencies['DJF'] = __('Djiboutian Franc', 'hg_edd');
	$currencies['DKK'] = __('Danish Krone', 'hg_edd');
	$currencies['DOP'] = __('Dominican Peso', 'hg_edd');
	$currencies['DZD'] = __('Algerian Dinar', 'hg_edd');
	$currencies['EEK'] = __('Estonian Kroon', 'hg_edd');
	$currencies['EGP'] = __('Egyptian Pound', 'hg_edd');
	$currencies['ETB'] = __('Ethiopian Birr', 'hg_edd');
	$currencies['EUR'] = __('Euro', 'hg_edd');
	$currencies['FJD'] = __('Fijian Dollar', 'hg_edd');
	$currencies['FKP'] = __('Falkland Islands Pound', 'hg_edd');
	$currencies['GBP'] = __('British Pound', 'hg_edd');
	$currencies['GEL'] = __('Georgian Lari', 'hg_edd');
	$currencies['GIP'] = __('Gibraltar Pound', 'hg_edd');
	$currencies['GMD'] = __('Gambian Dalasi', 'hg_edd');
	$currencies['GNF'] = __('Guinean Franc', 'hg_edd');
	$currencies['GTQ'] = __('Guatemalan Quetzal', 'hg_edd');
	$currencies['GYD'] = __('Guyanese Dollar', 'hg_edd');
	$currencies['HKD'] = __('Hong Kong Dollar', 'hg_edd');
	$currencies['HNL'] = __('Honduran Lempira', 'hg_edd');
	$currencies['HRK'] = __('Croatian Kuna', 'hg_edd');
	$currencies['HTG'] = __('Haitian Gourde', 'hg_edd');
	$currencies['HUF'] = __('Hungarian Forint', 'hg_edd');
	$currencies['IDR'] = __('Indonesian Rupiah', 'hg_edd');
	$currencies['ILS'] = __('Israeli New Sheqel', 'hg_edd');
	$currencies['INR'] = __('Indian Rupee', 'hg_edd');
	$currencies['ISK'] = __('Icelandic Króna', 'hg_edd');
	$currencies['JMD'] = __('Jamaican Dollar', 'hg_edd');
	$currencies['JPY'] = __('Japanese Yen', 'hg_edd');
	$currencies['KES'] = __('Kenyan Shilling', 'hg_edd');
	$currencies['KGS'] = __('Kyrgyzstani Som', 'hg_edd');
	$currencies['KHR'] = __('Cambodian Riel', 'hg_edd');
	$currencies['KMF'] = __('Comorian Franc', 'hg_edd');
	$currencies['KRW'] = __('South Korean Won', 'hg_edd');
	$currencies['KYD'] = __('Cayman Islands Dollar', 'hg_edd');
	$currencies['KZT'] = __('Kazakhstani Tenge', 'hg_edd');
	$currencies['LAK'] = __('Lao Kipa', 'hg_edd');
	$currencies['LBP'] = __('Lebanese Pound', 'hg_edd');
	$currencies['LKR'] = __('Sri Lankan Rupee', 'hg_edd');
	$currencies['LRD'] = __('Liberian Dollar', 'hg_edd');
	$currencies['LSL'] = __('Lesotho Loti', 'hg_edd');
	$currencies['LTL'] = __('Lithuanian Litas', 'hg_edd');
	$currencies['LVL'] = __('Latvian Lats', 'hg_edd');
	$currencies['MAD'] = __('Moroccan Dirham', 'hg_edd');
	$currencies['MDL'] = __('Moldovan Leu', 'hg_edd');
	$currencies['MGA'] = __('Malagasy Ariary', 'hg_edd');
	$currencies['MKD'] = __('Macedonian Denar', 'hg_edd');
	$currencies['MNT'] = __('Mongolian Tögrög', 'hg_edd');
	$currencies['MOP'] = __('Macanese Pataca', 'hg_edd');
	$currencies['MRO'] = __('Mauritanian Ouguiya', 'hg_edd');
	$currencies['MUR'] = __('Mauritian Rupee', 'hg_edd');
	$currencies['MVR'] = __('Maldivian Rufiyaa', 'hg_edd');
	$currencies['MWK'] = __('Malawian Kwacha', 'hg_edd');
	$currencies['MXN'] = __('Mexican Peso', 'hg_edd');
	$currencies['MYR'] = __('Malaysian Ringgit', 'hg_edd');
	$currencies['MZN'] = __('Mozambican Metical', 'hg_edd');
	$currencies['NAD'] = __('Namibian Dollar', 'hg_edd');
	$currencies['NGN'] = __('Nigerian Naira', 'hg_edd');
	$currencies['NIO'] = __('Nicaraguan Córdoba', 'hg_edd');
	$currencies['NOK'] = __('Norwegian Krone', 'hg_edd');
	$currencies['NPR'] = __('Nepalese Rupee', 'hg_edd');
	$currencies['NZD'] = __('New Zealand Dollar', 'hg_edd');
	$currencies['PAB'] = __('Panamanian Balboa', 'hg_edd');
	$currencies['PEN'] = __('Peruvian Nuevo Sol', 'hg_edd');
	$currencies['PGK'] = __('Papua New Guinean Kina', 'hg_edd');
	$currencies['PHP'] = __('Philippine Peso', 'hg_edd');
	$currencies['PKR'] = __('Pakistani Rupee', 'hg_edd');
	$currencies['PLN'] = __('Polish Złoty', 'hg_edd');
	$currencies['PYG'] = __('Paraguayan Guaraní', 'hg_edd');
	$currencies['QAR'] = __('Qatari Riyal', 'hg_edd');
	$currencies['RON'] = __('Romanian Leu', 'hg_edd');
	$currencies['RSD'] = __('Serbian Dinar', 'hg_edd');
	$currencies['RUB'] = __('Russian Ruble', 'hg_edd');
	$currencies['RWF'] = __('Rwandan Franc', 'hg_edd');
	$currencies['SAR'] = __('Saudi Riyal', 'hg_edd');
	$currencies['SBD'] = __('Solomon Islands Dollar', 'hg_edd');
	$currencies['SCR'] = __('Seychellois Rupee', 'hg_edd');
	$currencies['SEK'] = __('Swedish Krona', 'hg_edd');
	$currencies['SGD'] = __('Singapore Dollar', 'hg_edd');
	$currencies['SHP'] = __('Saint Helenian Pound', 'hg_edd');
	$currencies['SLL'] = __('Sierra Leonean Leone', 'hg_edd');
	$currencies['SOS'] = __('Somali Shilling', 'hg_edd');
	$currencies['SRD'] = __('Surinamese Dollar', 'hg_edd');
	$currencies['STD'] = __('São Tomé and Príncipe Dobra', 'hg_edd');
	$currencies['SVC'] = __('Salvadoran Colón', 'hg_edd');
	$currencies['SZL'] = __('Swazi Lilangeni', 'hg_edd');
	$currencies['THB'] = __('Thai Baht', 'hg_edd');
	$currencies['TJS'] = __('Tajikistani Somoni', 'hg_edd');
	$currencies['TOP'] = __('Tongan Paʻanga', 'hg_edd');
	$currencies['TRY'] = __('Turkish Lira', 'hg_edd');
	$currencies['TTD'] = __('Trinidad and Tobago Dollar', 'hg_edd');
	$currencies['TWD'] = __('New Taiwan Dollar', 'hg_edd');
	$currencies['TZS'] = __('Tanzanian Shilling', 'hg_edd');
	$currencies['UAH'] = __('Ukrainian Hryvnia', 'hg_edd');
	$currencies['UGX'] = __('Ugandan Shilling', 'hg_edd');
	$currencies['USD'] = __('United States Dollar', 'hg_edd');
	$currencies['UYU'] = __('Uruguayan Peso', 'hg_edd');
	$currencies['UZS'] = __('Uzbekistani Som', 'hg_edd');
	$currencies['VEF'] = __('Venezuelan Bolívar', 'hg_edd');
	$currencies['VND'] = __('Vietnamese Đồng', 'hg_edd');
	$currencies['VUV'] = __('Vanuatu Vatu', 'hg_edd');
	$currencies['WST'] = __('Samoan Tala', 'hg_edd');
	$currencies['XAF'] = __('Central African Cfa Franc', 'hg_edd');
	$currencies['XCD'] = __('East Caribbean Dollar', 'hg_edd');
	$currencies['XOF'] = __('West African Cfa Franc', 'hg_edd');
	$currencies['XPF'] = __('Cfp Franc', 'hg_edd');
	$currencies['YER'] = __('Yemeni Rial', 'hg_edd');
	$currencies['ZAR'] = __('South African Rand', 'hg_edd');
	$currencies['ZMW'] = __('Zambian Kwacha', 'hg_edd');
	return $currencies;
}
add_filter('edd_currencies', 'hg_stripe_checkout_all_currencies');