Whenever one of our essential 3rd party services go down, I can only shrug and hope they figure it out quickly. They provide a good service and nobody has 100% uptime. Still better than solving it internally, which is even more likely to have downtime.

Partial failure is just fact of life. If this is a major issue for your process, it might be better to try and find ways to alter your process so this isn't an issue. Alternatively, mirror locally.