!!! Overview
[{$pagename}] involves the operational [Service Delivery] of the [APIs] including:
* servicing [API] calls
* delivering content
* executing transactions. 

Consumer [APIs] tend to be few in number but high in traffic volume, across large geographical areas. The [security] requirements for consumer [APIs] maybe simple – typically username and [password] for user [authentication] and an [API] key in the form of a shared secret for client [authentication]. User and client repositories are usually stored in a standalone database within the delivery platform, as the [API] consumer population can be very large, unverified, and have a high level of turnover. Consumer [APIs] usually require just enough throttling and traffic control to ensure that the quality of the [API] service is not negatively impacted by excessive users.

Enterprise [APIs] are usually consumed by business partners, and those partners and users are usually managed by an existing partner management system and may need integrate with these partner management databases to make runtime decisions using partner profiles, user roles, and service contracts.

Keep in mind that the management of partner and user information is often handled by sales or support organizations and the user onboarding tools they deploy, not by developers via a [API Portal]. Both the [API] consumer and provider organizations generally need to have some level of [Identity Management Architecture] that is responsible for managing [credentials].

[{$pagename}] typically must integrate with [Identity Management Architecture] [Access Control] and may need to support existing [B2B] security relationships that include security [protocols] and [certificates] such as [OAuth 2.0], [SAML] and [X.509] [certificates].

Enterprise [APIs] are often bound by business [contracts] and [SLAs]. Therefore, advanced [Server-Side Login throttling schemes], [API Metrics|API Auditing Monitoring Metrics Logging], and quota management capabilities may be required to enforce [contract] terms.

!! More Information
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