# Versions

The version each published specification declares.

- [Verotel Control Center API Documentation](/en/control-center-api) — 2.0.0 ([OpenAPI](/openapi/control-center-api.json))
- [Remote User Management](/en/remote-user-management) — v0800_rev097 ([OpenAPI](/openapi/remote-user-management.json))
- [FlexPay Purchase documentation](/en/flexpay/purchase) — 4 ([OpenAPI](/openapi/flexpay-purchase.json))
- [FlexPay Subscription documentation](/en/flexpay/subscription) — 4 ([OpenAPI](/openapi/flexpay-subscription.json))
- [FlexPay Purchase documentation](/en/direct) — 4 ([OpenAPI](/openapi/direct.json))
- [Yoursafe Flowguard API](/en/flowguard-api) — 1.0.0 ([OpenAPI](/openapi/flowguard-api.json))
- [Yoursafe API](/en/mass-payments-api) — The specification does not publish a version. ([OpenAPI](/openapi/mass-payments-api.json))