Here is a short guide on how to acquire a Facebook API key:
1. Login to Facebook.
2. Next ADD Facebook Developer application.
3. Next is to click Allow button.
4. After installing Facebook Developer application, click on Set Up New Application.
facebook developer application
5. Put a name for your new application. Click Agree then click on Create Application button.
6. You'll be taken to the next page where you can find your Facebook API key. Refer to the screen shot below:
Important: You should never share your application details.
If you go to the related links below, you'll be able to find API documentation along with a form to request an API key.
The API key is used for accessing the application program interface. There are various functions that can be performed using the API key. The key should be kept confidential and hence, it should be saved in a safe place. The API key can be found in the “Api Access” area of the control panel.
To get your WordPress API key, you have to be registered at WordPress.com. You will need to log in and go to your dashboard and select profile. From there you will want to select Personal Settings. On your Personal Settings page is where you will locate your WordPress API key. This key will be located near the top of the page in the sentence that reads "Your WordPress.com API key is: xxxxxxxxxxxx. Don't share your API key, it's like a password." The x's is your API key.
API IS a Application Code used by Facebook to classify diffrent apps made by people
You can obtain an API key from facebook to post from your website, you will need some programming skills to do this however.
In earlier versions of the Google Maps and Google Earth APIs, an API key was required which was a unique identifier for a particular user to track usage by user. Google Maps JavaScript API v3 and Google Earth API does not require an API key to function correctly.
To access and utilize the Beer Finder API to locate specific types of beer in your area, you will need to obtain an API key from the provider of the Beer Finder API. Once you have the API key, you can make requests to the API using specific parameters such as beer type and location to retrieve relevant information about where to find the desired beer in your area. You can then use this information to plan your beer search accordingly.
To access and use the DOI API for retrieving digital object identifiers, you can register for an account with a DOI registration agency like CrossRef or DataCite. Once you have an account, you can obtain an API key to access the API. You can then use the API to search for and retrieve DOIs by sending requests with your API key.
An API Key is an application programming interface. Inn smaller words it is how you can grab data from one website or database and use it on your website or database.
NewsDataio News API is a simple REST API for searching and retrieving live articles from all over the web. They offer a free plan with limitations and paid plans for higher usage. You can find the documentation and sign up for a free API key at NewsDataIO
One can find information about making a facebook business page by going onto their facebook page and looking under facebook business and read the basic tutorial on the key points needed.
Im pretty sure that is an API.