WH

WHMCS API

Pipelines

Hosting billing: build carts, check out orders, and manage client invoices, services and domain lookups

85 operations121 models1 revision

Spec
OpenAPI 3.0.3
Document
developers.whmcs.com, YAML, 172 KB
Retrieved
Nov 5, 2026, 20:50 UTC
Digest
bd3848ddbc3f

For agents

Every page here has a markdown twin. The overview is one fetch; the llms.txt lists every operation with a link to its own markdown.

curl https://skmtc.dev/whmcs/apis/whmcs-api.md
curl https://skmtc.dev/whmcs/apis/whmcs-api/llms.txt