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WHMCS Support API

Ticket and announcement management

WHMCS Support API is one of 7 APIs that WHMCS publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 4 JSON Schema definitions.

Tagged areas include Support. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, a getting-started guide, authentication docs, and 4 JSON Schemas.

This API exposes 2 operations across 2 paths, and defines 4 schemas. It is described by OpenAPI 3.0.3, at version 1.0.0.

Requests are made against a single base URL, https://{your-domain}/includes/api.php.

2 operations 2 paths 4 schemas 2 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.0.3
API Version
1.0.0
Base URL
https://{your-domain}/includes/api.php
Authentication
API Key
Resource Areas
1

Authentication & Security 1

WHMCS Support API declares 1 security scheme for authenticating requests. An API key is passed in the query as identifier (ApiCredentials). By default, every request must be authenticated.

  • ApiCredentials — WHMCS API credentials. Provide identifier and secret parameters in the POST request body, along with the action parameter.

Paths & Operations 2

Across 2 paths, the API surfaces 2 operations — 2 POST. Each is listed below with its method, path, parameters, and response codes.

Support 2

Ticket and announcement management

POST
/?action=GetTickets
Get Tickets
getTickets body → 200
POST
/?action=OpenTicket
Open Ticket
openTicket body → 200

Schemas 4

The contract defines 4 schemas that model the data the API accepts and returns. The most detailed are Ticket (14 properties), TicketsListResponse (5 properties), OpenTicketResponse (4 properties), AuthCredentials (3 properties). Each schema is shown below with its type and property counts.

Ticket
object
14 properties
TicketsListResponse
object
5 properties
OpenTicketResponse
object
4 properties
AuthCredentials
object
3 properties 3 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

whmcs-support-api-openapi.yml Raw ↑

Other APIs WHMCS publishes across the network.

WHMCS Authentication API
WHMCS Billing API
WHMCS Clients API
WHMCS Domains API
WHMCS Orders API
WHMCS System API