# Issue with calculation endpoints

- Provider: [TaxJar](https://down.guide/providers/taxjar)
- Confidence: Confirmed
- Impact: Partial outage
- lasted 17m
- started 2019-08-31 12:55 UTC
- Tax Calculations API, Tax Rates API
- id: DWN-147d4be6bd
- Official page: http://stspg.io/5bd8c54a2

## Root cause
> This issue was caused by a EC2 AZ failure.

[Postmortem](http://stspg.io/5bd8c54a2)

## Updates from TaxJar
### 2019-08-31 12:55 UTC: investigating
We're currently investigating an issue with tax calculation endpoints.

### 2019-08-31 13:12 UTC: resolved
This issue was caused by a EC2 AZ failure. We've redirected SmartCalcs traffic to a different AZ and will continue to monitor system health.

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