What is a API?
A interface between 2 programmes.
This allows a programmer to create a programme that can exchange data between 2 programmes.
These APIs have different certifications required to access them.
What is Composite certifications used for?
Multiple APIs assigned to similar tasks are grouped together to improve performance as oppose to using a single API.
What is Internal/Private certification used for?
Used to restrict access to the people inside the company who produced the API and the company they interface with.
They are unavailable to anyone outside of the development company.
What is Partner certification used for?
The API is only made available to those who are in the company who develop the application and other companies who have a business partnership with them.
What is Public certification used for?
To provide open access to the API with no restrictions to its use.
Examples include; Google Maps allows other websites to use it in their content.