Developer Corner

15140 topics in this forum

1. How to send emails from WHMCS to a foreign email address?

   By Walther, October 6
   • 4 replies
   • 605 views
   • 
   • Waqas Ahmed Waseer
   • Yesterday at 06:44 AM

2. How to rename "Ticket ID" ?

   By Norf, April 4, 2009
   • 5 replies
   • 4.8k views
   • 
   • sol2010
   • October 22

3. WHOIS & DNS check

   By Steve75, October 10
   • 8 replies
   • 791 views
   • 
   • Steve75
   • October 15

4. Remove content from client area home page

   By hmaddy, October 8
   • 1 reply
   • 314 views
   • 
   • K n K Web Services
   • October 11

5. Creating Admin API Authentication Credentials

   By Walther, October 6
   • 3 replies
   • 408 views
   • 
   • pRieStaKos
   • October 6

6. How to debug WHMCS cron job activity

   By Remitur, September 6
   • 3 replies
   • 1.2k views
   • 
   • joeroot6543
   • September 22

7. Impossible to create the root directory: Permission Denied

   By kwood, June 8, 2022   

   • Cron
   • error
   • (and 1 more)

     Tagged with:

     • Cron
     • error
     • oops error
   • 7 replies
   • 10k views
   • 
   • Martin Soluce
   • August 31

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

   By Vulca, October 9, 2025
   • 11 replies
   • 3.9k views
   • 
   • Remitur
   • August 12

9. Segmentation fault using ionCube Loader v15.5.0, PHP 8.3+ and xDebug v3.5.0

   By andp97, May 19
   • 2 replies
   • 1.8k views
   • 
   • PapaKai
   • July 28

10. Admin Panel's Client List. Close account from list

    By Giorgi Tedoradze, July 8
    • 0 replies
    • 1.3k views
    • 
    • Giorgi Tedoradze
    • July 8

11. logout redirect to login

    By sokalsondha, May 6, 2018
    • 21 replies
    • 40.9k views
    • 
    • Mytihost
    • June 27

12. Hide date range in invoice emails - on new domain name orders

    By cluster, June 10
    • 3 replies
    • 1.4k views
    • 
    • cluster
    • June 13

13. [MODULE] EchoCall: The Ultimate White-Label Voice & Chat AI for WHMCS Resellers – 200ms Latency & Global Edge Hosting

    By EchoCall, June 12
    • 0 replies
    • 450 views
    • 
    • EchoCall
    • June 12

14. Hide admin sidebar by default

    By bear, May 23
    • 8 replies
    • 2.2k views
    • 
    • DennisHermannsen
    • May 29

15. Looking for 10 beta testers – Server Monitor module (WHMCS Marketplace)

    By Soluzioni, March 9
    • 4 replies
    • 1.2k views
    • 
    • CS-Design
    • May 25

16. minIO WHMCS module for admins with user

    By Marlin Todd, May 2
    • 0 replies
    • 1.7k views
    • 
    • Marlin Todd
    • May 2

17. Remove / Hide Sidebar (Categories, Actions, Currency) on Mobile – Standard Cart

    By kashif rasool, April 6
    • 2 replies
    • 948 views
    • 
    • sentq
    • April 24

18. Looking for a truly seamless WHMCS domain search + storefront integration into our main website

    By Justin ROCKET LAUNCHER, March 31
    • 2 replies
    • 1.3k views
    • 
    • sentq
    • April 24

19. Hook: Client Payment Terms (Immediate / Net 30 / Net 60) by Client Group

    By Manuel Y2K, April 20
    • 0 replies
    • 1.1k views
    • 
    • Manuel Y2K
    • April 20

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

    By JesusSuarz, November 2, 2025
    • 2 replies
    • 2k views
    • 
    • wtools
    • March 5

21. WHMCS API (2.0.0)

    By wtools, February 10
    • 0 replies
    • 1.4k views
    • 
    • wtools
    • February 10

22. Product Group in Invoice Item Description

    By saadsalman, October 4, 2010
    • 14 replies
    • 17.7k views
    • 
    • AndyW
    • February 8

23. Defer payment

    By Mytihost, February 2
    • 5 replies
    • 1.8k views
    • 
    • wtools
    • February 8

24. Professional Proposals with Deposits, Digital Signatures, and Auto-Order Creation

    By sebaspask, January 31
    • 0 replies
    • 1.1k views
    • 
    • sebaspask
    • January 31

25. MRR/ARR, Top Clients, Revenue by client, Revenue by product, high maintenance clients Widgets

    By sebaspask, January 31
    • 0 replies
    • 1.1k views
    • 
    • sebaspask
    • January 31