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Installation, configuration, settings and troubleshooting for the WHMCS modules and AcelleMail plugins.

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AcelleMail

Cashfree AcelleMailAccept payments and recurring subscriptions in AcelleMail through Cashfree — UPI, cards, net banking and wallets, with a one-time Direct Payment gateway and a mapping-based Subscription gateway, license-gated and webhook-verified.Read the docs →GST Manager AcelleMailMake AcelleMail invoicing GST-compliant for India — automatic IGST/CGST/SGST split, GSTIN validation, GST invoice PDFs, SAC codes, GSTR-1 / export / legacy CSV reports, export-invoice numbering, and a tax reconciliation dashboard.Read the docs →Razorpay AcelleMailAccept payments and recurring subscriptions in AcelleMail through Razorpay — UPI, cards, net banking and wallets, with a one-time Direct Payment gateway and a mapping-based Subscription gateway, license-gated and webhook-verified.Read the docs →RelyAI AcelleMailAdd an AI assistant to AcelleMail — a knowledge-base chatbox and optional action-taking agent, universal text rewrite, a subject-line A/B generator, task coaches, and a full admin observability suite, all controlled and auditable.Read the docs →

WHMCS

GeoSync Pro WHMCSAutomatically show every WHMCS visitor prices in their local currency, based on their country — with EU-wide rules, registration-page auto-switch, privacy-first analytics and one-click updates.Read the docs →GST Manager WHMCSMake WHMCS invoicing GST-compliant for India — automatic IGST/CGST/SGST tax rules, GST invoice PDFs, SAC & Purpose codes, export/FEMA compliance, GSTR-1 and export CSV reports, and Indian financial-year dashboard widgets.Read the docs →PayGlocal Recurring WHMCSAccept recurring international card payments in WHMCS through PayGlocal Standing Instructions — customers authorise a mandate once, and WHMCS auto-charges future invoices via the daily cron.Read the docs →PayGlocal WHMCSAccept one-time international payments in WHMCS through PayGlocal's PayCollect hosted checkout — cards and alternative methods, with signed, dual-verified callbacks.Read the docs →PhonePe WHMCSAccept PhonePe payments in WHMCS using Standard Checkout V2 — a full-page redirect or an in-page popup, with SHA256-verified webhooks double-checked against the PhonePe API.Read the docs →RelyAgent WHMCSTurn your WHMCS into a self-hosted MCP server, exposing scope-gated WHMCS tools to AI clients like Claude, Cursor and ChatGPT over OAuth 2.0 — with per-connection tool allowlists, audit logging and rate limits.Read the docs →RelyPay WHMCSRun Razorpay, Cashfree, PhonePe, PayGlocal and Zoho Payments behind one WHMCS addon, with per-transaction routing, automatic failover and recurring card mandates.Read the docs →Zoho Payments WHMCSAccept Zoho Payments in WHMCS with an embedded checkout widget, OAuth2 with auto-refresh, HMAC-verified webhooks, and support for both the India and US data centres.Read the docs →

Documentation for the Relyweb app catalogue.

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