WHMCS ·
Open Collection
WHMCS Authentication System API
2
Requests
1
Folders
1.0.0
Version
View on GitHub
Raw JSON
Web HostingBilling AutomationClient ManagementDomain ManagementSupport TicketsProvisioningOpen Collection
Overview
WHMCS Authentication System API is a Open Collection published by WHMCS on the APIs.io network, version 1.0.0.
The collection contains 2 requests organised into 1 folder.
Tagged areas include Web Hosting, Billing Automation, Client Management, Domain Management, and Support Tickets.
Requests & Folders
System
Related API Specs
WHMCS Authentication API (OpenAPI)
WHMCS Billing API (OpenAPI)
WHMCS Clients API (OpenAPI)
WHMCS Domains API (OpenAPI)
WHMCS Orders API (OpenAPI)
WHMCS Support API (OpenAPI)
WHMCS System API (OpenAPI)
Work with this as data
Every collection here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for collections
4 MCP tools reach this
find_collectionsBrowse and filter every collection in the catalog.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This collection
curl "https://apis.io/api/v1/collections/open-whmcs-system-api"
All collections
curl "https://apis.io/api/v1/collections?limit=25"Discovery needs no key. Ratings and market analysis are Pro.