overlay: 1.0.0 info: title: API Evangelist enrichment overlay — cPanel UAPI version: 1.0.0 x-generated: '2026-09-05' x-method: generated x-source: >- Enhancements API Evangelist derived from cPanel's own published contract and documentation. The original document is never mutated; apply this overlay to openapi/_original/cpanel-uapi-openapi.yml. extends: ../openapi/_original/cpanel-uapi-openapi.yml actions: - target: $.info description: Record provenance and the calling conventions the contract does not state in-band. update: x-apis-io: provider: cPanel providerId: cpanel harvested: '2026-09-05' harvest_method: >- MCP tools/call get-full-api-description against https://api.docs.cpanel.net/mcp, after /openapi.json, /openapi.yaml, /swagger.json and the Redocly /specifications/*.yaml paths all returned 404 HTML shells. operations: 657 x-calling-conventions: outcome_field: result.status outcome_note: >- Every operation answers HTTP 200. Failure is reported as result.status == 0 with result.errors[]. Branching on the HTTP status code will read every failure as a success. booleans: Integers 1 and 0. Literal true/false are not accepted. ports: 2083 (secure cPanel), 2082 (unsecure), 2096/2095 (Webmail). Wrong port returns "Permission denied". auth_header: 'Authorization: cpanel :' pagination: api.paginate=1 with api.paginate_start / api.paginate_size / api.paginate_page (off by default) filtering: api.filter=1 with api.filter_column / api.filter_term / api.filter_type sorting: api.sort=1 with api.sort_column / api.sort_method / api.sort_reverse sorting_hazard: Sorting numeric values without api.sort_method makes the function fail. x-artifacts: conventions: conventions/cpanel-conventions.yml errors: errors/cpanel-problem-types.yml authentication: authentication/cpanel-authentication.yml lifecycle: lifecycle/cpanel-lifecycle.yml data_model: data-model/cpanel-data-model.yml cli: cli/cpanel-cli.yml - target: $.info description: Restate the license and terms the provider declares, for downstream tooling that drops them. update: x-license-note: >- cPanel License, https://cpanel.net/legal-notices/. info.contact is WebPros International, LLC (cs@cpanel.net) — cPanel's parent company. - target: $ description: Record the reversibility signal cPanel already publishes per operation. update: x-reversibility: extension: x-rollback present_on: 345 of 657 operations values: none: 317 clean: 27 lossy: 1 note: >- cPanel does not define this vocabulary in its developer portal (searched 2026-09-05), so it is read literally. No reversal WINDOW is published for any operation.