Hosting billing: build carts, check out orders, and manage client invoices, services and domain lookups
85 operations121 models1 revision
Changes
Full historySource
View schema- 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.mdcurl https://skmtc.dev/whmcs/apis/whmcs-api/llms.txt