If you're using Twitter's Search API via the api.twitter.com sub-domain, you have a week to switch to search.twitter.com, according to a post from Twitter's Taylor Singletary. The endpoint being removed has not been officially supported by Twitter, though other supported calls use the same sub-domain.
Xero, cloud accounting software provider, has expanded its Payroll product to integrate with other applications via the Payroll API. The Payroll API allows developers to build add-on apps to work alongside Xero products, or integrate Xero functionality into existing apps and workflows. Xero's target audience remains in the SMB space who typically cannot afford massive onsite, dedicated ERP and accounting software packages.