WHM API 1
WHM API 1 is the HTTP API for server-wide and reseller-level operations on a cPanel & WHM server: creating, suspending, restoring and terminating cPanel accounts, managing hosting packages and feature lists, DNS and DNSSEC, AutoSSL and certificate installation, backups and backup destinations, transfers, ModSecurity, cPHulk and API tokens. 625 operations served at /json-api/{function} on ports 2087 (secure) and 2086, or 443 through a service subdomain. Every call requires api.version=1 and an 'Authorization: whm :' header; every call returns HTTP 200 with the outcome in metadata.result.
WHM API 1 is one of 4 APIs that cPanel publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Account, Packages, Reseller, Server Administration, and WHM. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and authentication docs.
This API exposes 625 operations across 625 paths, organized into 49 resource areas, and defines 155 schemas. It is described by OpenAPI 3.0.2, at version 11.137.9999.106.
Requests are made against a single base URL, https://{host}:{port}/json-api.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 1
WHM API 1 declares
1 security scheme
for authenticating requests.
It accepts HTTP basic authentication (BasicAuth).
By default, every request must be authenticated.
Paths & Operations 625
Across 625 paths, the API surfaces 625 operations — 606 GET, 19 POST. They span 49 resource areas, including 360 Monitoring, Plugin-Based Features, Packages, Transfers, Updates, SSH Keys and Connections, Accounts, Resellers, and 41 more. Each is listed below with its method, path, parameters, and response codes.
The 360 Monitoring module for WHM API 1.
The plugin-based features module for WHM API 1.
The Packages module for WHM API 1.
The Transfers module for WHM API 1.
Server Administration / Updates
Authentication / SSH Keys and Connections
The Accounts module for WHM API 1.
The Resellers module for WHM API 1.
The DNS module for WHM API 1.
The SSL module for WHM API 1.
The Server Administration module for WHM API 1.
The IP Addresses module for WHM API 1.
Security / WHM Access
The Authentication module for WHM API 1.
API Development Tools / Applications
The Mail module for WHM API 1.
Accounts / Account Enhancements
The Databases module for WHM API 1.
The Backups module for WHM API 1.
The Server Administration module for WHM API 1.
The cPHulk module for WHM API 1.
Accounts / Domain Domain Information
Web Server Configuration / PHP-FPM
The Greylisting module for WHM API 1.
The Integration module for WHM API 1.
Accounts Creation / Accounts
The Customizations module for WHM API 1.
The Script Hooks module for WHM API 1.
The RPM module for WHM API 1.
The Market module for WHM API 1.
The EasyApache module for WHM API 1.
Accounts / Bandwidth and Disk Quotas
The Security module for WHM API 1.
Accounts / Passwords
The Sitejet module for WHM API.
Accounts / Account Management
In-product survey information.
Scoped userdata storage functions.
Server Administration / Services
Server Administration / Configurations
Server Administration / Account Management
The Web Log Retention module for WHM API 1.
Accounts / Suspensions
The ModSecurity module for WHM API 1.
The NGINX Manager module for WHM API 1.
The cPanel Analytics module for WHM API 1.
The PHP module for WHM API 1.
The Account Restoration module for WHM API 1.
The Support Tickets module for WHM API 1.
Schemas 155
The contract defines 155 schemas that model the data the API accepts and returns. The most detailed are Image (19 properties), MarketItem (17 properties), AppConfig (13 properties), Group (13 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from cPanel 3
Other APIs cPanel publishes across the network.
This is an independent, third-party profile of WHM API 1, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.
The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.
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