overlay: 1.0.0 info: title: API Evangelist enhancements for ServiceChannel Service Automation API version: 1.0.0 extends: openapi/servicechannel-service-automation-openapi-original.json actions: - target: $.info update: x-apievangelist-enriched: '2026-07-21' x-apievangelist-provider: servicechannel x-production-host: https://api.servicechannel.com/v3 x-sandbox-host: https://sb2api.servicechannel.com/v3 x-error-envelope: ServiceChannel.Services.Messaging.ErrorResponse x-rate-limit: 429 Too Many Requests with Retry-After x-pagination: page / pageSize query parameters x-webhooks: HTTP notification subscriptions with signing key