generated: '2026-09-07' method: searched source: https://developers.cvent.com/documentation; https://developers.cvent.com/docs/rest-api/changelog; https://developers.cvent.com/docs/legacy-api/soap-api/overview; https://status.cvent.com versioning: scheme: URI path current_version: ea supported_versions: - ea policy: Backward-compatible changes ship continuously; backward-incompatible changes create a new URI version while the existing version is deprecated and remains available for a limited period. backward_compatible_changes: - Adding new resources - Adding new optional request parameters - Adding new attributes to requests or responses - Changing the length or format (not type) of resource identifiers - Increasing the length of string fields breaking_changes: - Adding a new required parameter - Deleting API resources - Deleting any attribute from API responses - Changing the data type of any parameter or attribute consumer_obligation: Clients must tolerate unknown attributes and must not depend on JSON property order. evidence: - https://developers.cvent.com/documentation deprecation: policy_published: true detail: Cvent states that when breaking changes occur a new version is published while the existing version is deprecated but remains available for a limited period. The period is not quantified, and no Deprecation or Sunset (RFC 8594) response header is documented or declared in the contract. rfc8594_headers: false deprecated_operations: 0 deprecated_fields: The changelog records field-level deprecations (e.g. the attendee "unsubscribed" field marked deprecated in favour of PUT /attendees/{id}/email-subscriptions). product_level: The entire SOAP API (V200611, 51 operations) is deprecated in favour of the REST API, with a published migration guide covering calls, methods and object mappings. evidence: - https://developers.cvent.com/docs/rest-api/changelog - https://developers.cvent.com/docs/rest-api/migration-guide/benefits change_log: url: https://developers.cvent.com/docs/rest-api/changelog cadence: biweekly entries_published: 71 earliest: '2022' latest: 2026-08-19/20 see: changelog/cvent-changelog.yml status_page: url: https://status.cvent.com detail: Cvent runs a per-region, per-product status board (the root redirects to /NA/Event%20Marketing); subscribers can follow individual products and data centres. http_status: 200 sla: published: false detail: No public SLA document is linked from cvent.com/en/company/legal or the developer portal; availability commitments sit in the customer contract. maintenance: detail: TLS certificate renewals affecting API consumers are announced through a dedicated developer guide. evidence: - https://developers.cvent.com/docs/rest-api/guides/tls-cert-renewal credential_rotation: detail: Cvent publishes a credential rotation procedure for API client secrets, and applications can carry Termination Protection to prevent accidental deletion of a production client. evidence: - https://developers.cvent.com/docs/rest-api/guides/rotating-api-credentials - https://developers.cvent.com/docs/rest-api/explanation/concepts