500 Errors on sandbox only?

Request:

Header

{"Authorization":"Bearer xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx","User-Agent":"stuart-php-client\/3.5.0","Content-Type":"application\/json"}

Body

{"job":{"pickups":[{"address":"Unit 9-10 Parkfield Estate, Battersea, SW11 5BA, GB","comment":null,"contact":{"firstname":null,"lastname":null,"phone":null,"email":null,"company":"The Company"}}],"dropoffs":[{"address":"2 Ursula St, Battersea, SW1V 2QR, GB","comment":null,"contact":{"firstname":null,"lastname":null,"phone":"0794665102","email":null,"company":null},"package_type":"medium","package_description":null,"client_reference":null}]}}

Thank you for your message,
We are actively looking into the issue right now and will let you know when the issue in sandbox is fixed.

Best Regards

Hello,

We are sorry for the inconvenience and want to confirm you that sandbox environment is back to normal.

Best