Please check this page: API Versioning
S-360 public APIs have a usage rate limit.
Please check this page: API rate limits
S-360 provides without any garantee nor SLA some public sandboxes for 3rd parties to discover S-360 APIs.
3rd Parties acknowledge they will NOT perform load/stress tests nor security penetration tests on this sandboxes (nor on anyother S-360 environement) without warning S-360 at least 10 business days in advance.