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Developer Corner

Integration, customization and module development, if you have questions, ask them here.

15121 topics in this forum

  1. Invoice Numbering Issue

    By kwood,   
    • 5 replies
    • 617 views

  2. Digital Downloads

    By kwood,
    • 2 replies
    • 340 views

  3. WHMCS Admin Widget: UK TAX Year Income/Profit/Loss

    By ConorBradley,
    • 3 replies
    • 308 views

  4. Composer to WHMCS

    By jagathks,
    • 7 replies
    • 7.7k views

  5. Order a new service + store links don't get the active class in the menu

    By Negin,
    • 2 replies
    • 399 views

  6. WHMCS 9.0 – Upcoming Changes to Module Requirements 1 2

    By WHMCS John,
    • 36 replies
    • 22.7k views

  7. Curious problem with GetInvoices API with response totals

    By TBroMEM,
    • 6 replies
    • 578 views

  8. How to Programmatically Update Password & 2FA Settings in Latest WHMCS Versions?

    By Dust Tsad,
    • 0 replies
    • 293 views

  9. Custom billable items description

    By zitu4life,   
    • 3 replies
    • 511 views

  10. I need HOOK to send an email template on new orders

    By Craft,
    • 1 reply
    • 751 views

  11. doubt on WHMCS SEO

    By Ebin V Thomas,
    • 6 replies
    • 1.7k views

  12. Allow community donations to credit a client's WHMCS balance (game server use case)

    By Vulca,
    • 6 replies
    • 1k views

  13. record customer and order details when pay now button is clicked and before the payment is completed

    By Easy Green Hosting,
    • 0 replies
    • 422 views

  14. Username generator on new order

    By coophosting,
    • 2 replies
    • 799 views

  15. Hook to change existing Smarty variables

    By Julien,
    • 1 reply
    • 1k views

  16. Payment Gateway Fee

    By sol2010,
    • 21 replies
    • 5k views

  17. WHMCS 8.8 - Hide $0.00 and Paid Invoices from Client Area Notifications (Freemium 3 Theme)

    By Ali C,
    • 0 replies
    • 329 views

  18. Direct link to view email

    By SeanP,
    • 1 reply
    • 363 views

  19. Hook to log which admin invites users to clients

    By Silvan,
    • 0 replies
    • 412 views

  20. PayPal module shows raw JSON error (“CARD_TYPE_NOT_SUPPORTED”) directly to users — need help sanitizing message

    By JesusSuarz,
    • 0 replies
    • 404 views

  21. Hook to pass the registrar info to the clientareaproductdetails

    By plusplushosting,
    • 5 replies
    • 2.7k views

  22. credit management according to european fiscal law - a project

    By Remitur,
    • 2 replies
    • 895 views

  23. Japanese keyboard for alphabet input

    By TSK_Panda,
    • 0 replies
    • 525 views

  24. Google AI coded hook help

    By rockhost,
    • 5 replies
    • 820 views

  25. Activate all clients as affiliates

    By madbutcher,
    • 8 replies
    • 1.4k views
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