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You can authenticate with Constant Contact to create your own instance of the Constant Contact connector through the UI or through APIs. Once authenticated, you can use the connector instance to access the different functionality offered by the Constant Contact platform.

Authenticate Through the UI

Use the UI to authenticate with Constant Contact and create a connector instance. Because you authenticate with Constant Contact via OAuth 2.0, all you need to do is add a name for the instance. After you create the instance, you'll log in to Constant Contact to authorize SAP Open Connectors access to your account. For more information about authenticating a connector instance, see Authenticate a Connector Instance (UI). 

After successfully authenticating, we give you several options for next steps. Make requests using the API docs associated with the instance, map the instance to a common resource, or use it in a formula template.

Authenticate Through API

Authenticating through API is a multi-step process that involves:

• Getting a redirect URL. This URL sends users to the vendor to log in to their account.
• Authenticating users and receiving the authorization grant code. After the user logs in, the vendor makes a callback to the specified url with an authorization grant code.
• Authenticating the connector instance. Using the authorization code from the vendor, authenticate with the vendor to create a connector instance at SAP Open Connectors.

Getting a Redirect URL

Use the following API call to request a redirect URL where the user can authenticate with the API provider. Replace {keyOrId} with the connector key, constantcontact.

curl -X GET /elements/{keyOrId}/oauth/url?apiKey=<api_key>&apiSecret=<api_secret>&callbackUrl=<url>&siteAddress=<url>

curl -X GET /elements/{keyOrId}/oauth/url?newUser=True&apiKey=<api_key>&apiSecret=<api_secret>&callbackUrl=<url>&siteAddress=<url>

Query Parameters

Example cURL

curl -X GET \
  'https://api.openconnectors.us2.ext.hana.ondemand.com/elements/api-v2/elements/constantcontact/oauth/url?apiKey=fake_api_key&apiSecret=fake_api_secret&callbackUrl=https://www.mycoolapp.com/auth&state=constantcontact' \

Example Response

Use the oauthUrl in the response to allow users to authenticate with the vendor.

{
    "oauthUrl": "https://oauth2.constantcontact.com/oauth2/oauth/siteowner/authorize?response_type=code&client_id=6rja8budeg8gkpq9fhu3g4ha&redirect_uri=https%3A%2F%2Fhttpbin.org%2Fget",
    "element": "constantcontact"
}

Authenticating Users and Receiving the Authorization Grant Code

Provide the response from the previous step to the users. After they authenticate, Constant Contact provides the following information in the response:

• code
• username

Authenticating the Instance

Use the /instances endpoint to authenticate with Constant Contact and create a connector instance. If you are configuring events, see the Events section.

To create a connector instance:

1. Construct a JSON body as shown below (see Parameters):

   {
     "element": {
       "key": "constantcontact"
     },
     "providerData": {
       "code": "<AUTHORIZATION_GRANT_CODE>"
     },
     "configuration": {
       "oauth.callback.url": "<CALLBACK_URL>",
       "oauth.api.key": "<CONSUMER_KEY>",
       "oauth.api.secret": "<CONSUMER_SECRET>",
       "filter.response.nulls": true
     },
     "tags": [
       "<Add_Your_Tag>"
     ],
     "name": "<INSTANCE_NAME>"
   }
   

2. Call the following, including the JSON body you constructed in the previous step:

   POST /instances
   

   Note: Make sure that you include the User and Organization keys in the header. For more information, see Authorization Headers, Organization Secret, and User Secret.

3. Locate the token and id in the response and save them for all future requests using the connector instance.

Example cURL

curl -X POST \
  https://api.openconnectors.us2.ext.hana.ondemand.com/elements/api-v2/instances \
  -H 'authorization: User <USER_SECRET>, Organization <ORGANIZATION_SECRET>' \
  -H 'content-type: application/json' \
  -d '{
  "element": {
    "key": "constantcontact"
  },
  "providerData": {
    "code": "xoz8AFqScK2ngM04kSSM"
  },
  "configuration": {
    "oauth.callback.url": "<CALLBACK_URL>",
    "oauth.api.key": "<CONSUMER_KEY>",
    "oauth.api.secret": "<CONSUMER_SECRET>"
  },
  "tags": [
    "Docs"
  ],
  "name": "API Instance"
}'

Parameters

API parameters not shown in the SAP Open Connectors are in code formatting.

Example Response for an Authenticated Connector Instance

{
  "id": 12345,
  "name": "API for Docs",
  "token": "3sU/S/kZD36BaABPS7EAuSGHF+1wsthT+mvoukiE",
  "element": {
      "id": ,
      "name": "Constant Contact",
      "hookName": "ConstantContactHook",
      "key": "constantcontact",
      "description": "Add a Constant Contact instance to connect your existing or new Constant Contact account to the Marketing Hub, allowing you to manage campaigns, lists, contacts etc. across multiple Marketing Connectors. You will need your Constant Contact account information to add an instance.",
      "image": "elements/provider_constantcontact.png",
      "active": true,
      "deleted": false,
      "typeOauth": false,
      "trialAccount": false,
      "resources": [ ],
      "transformationsEnabled": true,
      "bulkDownloadEnabled": true,
      "bulkUploadEnabled": true,
      "cloneable": true,
      "extendable": false,
      "beta": true,
      "authentication": {
          "type": "oauth2"
      },
      "extended": false,
      "hub": "marketing",
      "protocolType": "http",
      "parameters": [ ],
  "elementId": 3929,
  "provisionInteractions": [],
  "valid": true,
  "disabled": false,
  "maxCacheSize": 0,
  "cacheTimeToLive": 0,
  "configuration": {    },
  "eventsEnabled": false,
  "traceLoggingEnabled": false,
  "cachingEnabled": false,
  "externalAuthentication": "none",
  "user": {
      "id": 12345
    }
  }
 }