Lately, we have been working on applications interacting with a large series of external services.
We've integrated with Paypal, Salesforce, Microsoft Dynamics, Fotolia, Winmentor. The list could continue, but that is not in the scope of this article.
I have recently noticed that many developers and product owners are a bit scared by the idea of interacting with external services in their application. The risks are many:
- Service uptime, failover mechanism,
- Owning your data,
- API updates breaking your application,
- Performance aspects,
