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  1. Sign in to the WSO2 API Publisher.
    https://<hostname>:9443/publisher (ex: https://localhost:9443/publisher). Use admin as username and password.

  2. In the APIS menu, click Add New API.
  3. Select Design New REST API and click Start Creating.
  4. Give the information in the table below and click Add to add the resource.

    Sample value



    API context is used to is used to uniquely identify the api by the gateway. API context should be unique. This context is the API's root context when invoking the API through gateway.


    Tip: You can define the API's version as a parameter of its context by adding the {version} into the context. For example, {version}/phoneverify. The API Manager assigns the actual version of the API to the {version} parameter internally. For example, https://localhost:8243/1.0.0/phoneverify. Note that the version appears before the context, allowing you to group your APIs based on the versions.


    phone, checkNumbers


    Tags can be used to filter out apis matching some search criteria. It is better to add small keywords as tags which explains the functionality and purpose of the api, so later subscribers can search based on the tags.

    ResourcesURL patternCheckPhoneNumber

    Request types



    The selection of HTTP method should match with the actual back end resource. For example if the actual back end contains "GET" method to get details of an phone number, then that resource should be matched with an GET resource type and with proper context.

  5. After you add the resource, click it's GET method to expand it. Update the value for Produces as application/xml and the value for Consumes as application/json.


    In the resource definition, we define the MIME types. Consumes refers to the MIME type of request accepted by the backend service and Produces refers to the MIME type of response produced by the backend service which you define as the endpoint of the API.

  6. Next, add the following parameters. You use these parameters to invoke the API using our integrated API Console, which is explained in later tutorials. 

    Parameter NameDescriptionParameter TypeData TypeRequired
    PhoneNumberGive the phone number to be validatedQueryStringTrue
    LicenseKeyGive the license key as 0 for testing purposeQueryStringTrue

    titleHTTP Post

    By design HTTP POST method specify that web server accept data enclosed within the body of the request, hence when adding a POST method by default API manager add payload parameter to the POST method.

  7. Once done, click Next: Implement > .
    Alternatively, click Save to save all the changes made to the API. You can come back later to edit it further by selecting the API and clicking on Edit. For details about the states of the API see Manage the API Lifecycle.


    The following parameter types can be defined according to the resource parameters you add.

    Parameter TypeDescription
    queryContains the fields added as part of the invocation URL that holds the data to be used to call the backend service.
    headerContains the case-sensitive names followed by a colon (:) and then by its value which carries additional information with the request which defines the operating parameters of the transaction.
    formDataContains a property list of attribute names and values which includes in the body of the message.
    bodyAn arbitrary amount of data of any type which sends with a POST message

    You can use the following Data type categories, supported by swagger.

    • primitive (input/output)
    • containers (as arrays/sets) (input/output)
    • complex (as models) (input/output)
    • void (output)
    • File (input)
  8. Click the Managed API option.  


  9. The Implement tab opens. Enter the information in the table below.

    FieldSample value
    Endpoint type

    HTTP/REST endpoint

    titleLoad balanced and fail over endpoints

    The load balanced and failover endpoint types are not selected in this example. For details about these endpoint types, see Working with Endpoints.

    Production endpoint

    This sample service has two operations as CheckPhoneNumber and CheckPhoneNumbers. Let's use CheckPhoneNumber here.

    To verify the URL, click the Test button next to it. (This is the actual endpoint where the API implementation can be found)

    Sandbox endpoint

    This sample service has two operations as CheckPhoneNumber and CheckPhoneNumbers. Let's use CheckPhoneNumber here.

    To verify the URL, click the Test button next to it.

    For additional information see Enabling CORS for APIs and Adding Mediation Extensions


    You can deploy your API as a Prototyped API in the Implement tab. A prototyped API is usually a mock implementation made public in order to get feedback about its usability. You can implement it Inline or by specifing an endpoint.

    Users can invoke the API without a subscription after publishing the API to the Store. For more information refer Deploy and Test as a Prototype

  10. Click Next: Manage > and enter the information in the table below.

    FieldSample valueDescription
    TransportsHTTP and HTTPS

    The transport protocol on which the API is exposed. Both HTTP and HTTPS transports are selected by default. If you want to limit API availability to only one transport (e.g., HTTPS), un-check the other transport.


    You can only try out HTTPS based APIs via the API Console, because the API Store runs on HTTPS.

    Subscription TiersSelect allThe API can be available at different levels of service. They allow you to limit the number of successful hits to an API during a given period of time.

    titleMake Default Version

    Make this the default version makes the api available in the gateway without version in the production and sandbox urls. This feature allows you to create a new version of API and make it as default version and in the client applications you can invoke the same resources without changing the API gateway URL. This allows to create new versions of API with changes and make it allow for existing clients application without client have to change the URLs.

    titleThrottle Settings

    Please refer Working with Throttling for more information about maximum backend throughput and advanced throttling policies.

  11. Click Save & Publish.
    This publishes the API that you just created to the API Store so that subscribers can use it. You have created an API.