overlay: 1.0.0 info: title: API Evangelist enhancements for AlterEstate API version: 1.0.0 extends: openapi/alterestate-openapi.yml actions: - target: $.info update: x-apievangelist-network: https://apievangelist.com x-apievangelist-artifacts: authentication: authentication/alterestate-authentication.yml scopes: scopes/alterestate-scopes.yml conventions: conventions/alterestate-conventions.yml errors: errors/alterestate-problem-types.yml data_model: data-model/alterestate-data-model.yml mcp: mcp/alterestate-mcp.yml - target: $.info update: x-mcp-server: https://secure.alterestate.com/api/v1/alterai/mcp/ - target: "$.paths['/leads/'].post" update: x-apievangelist-note: Duplicate-contact dedup — a matching contact returns 200 (no new deal) instead of 201.