whmcs payment gateway

hi, i'm 15+ years experienced with strong knowledge of API / Payment Gateway integration and php with mysql, Plugin development and designing see my few portfolio **CSM and eCom** Magento / WooCommerce / zencart / nopCommerce / drupal/ Shopify /Prestashop / X-Cart /CS-Cart / OpenCart / oscommerce / CubeCart / WPEC / Virtuemart / WHMCS / A2Billing / wp-invoice / classipress / Wordpress /joomal k2/ ClientExec / Joomla /osclass **Payment Gateway** CCAvenue / BillDesk / PayU / EBS / Citrus / HDFC / ICICI(PaySeal) / FirstData / Intuit / Stripe / eWay / MIGS / Bitcoins / Alipay / Payza / InterSwitch / FCMB/ VoguePay / GTPay / ubawebpay / FXP / Stanbic IBTC/ eComcharge / Passcourses / PXPay / Jambopay / Payex / HiPay / VTN / IecPay / virtual merchants / sagepayments / [login to view URL] / Braintree / ePDQ / checkout / saferpay / smoovpay / RDP / poli / CCNow / 2000charge / LLMerchant/ enets / ClickBank / SEYLAN bank / tappay / PeachPayments / mybluepay / ipayafrica / neteller / mistertango / audipayments/ Commbank / Sampath Bank and etc * DRS EPP Registrar Module * **Shipping Plugin** ABF shipping / DHL / FedEx ** CS-Cart with ERP Stock and Order Sync thanks Senthil.R

Hi There, Payment gateway expert and already implemented various gateway in WHMCS. Please provide integration manual and make sure your gateway support recurring payment. Thanks!