Optimizely CMP Open REST API

The following people use the Optimizely Content Marketing Platform (CMP) Open API and Webhooks to integrate applications:

• Developers and System Architects
• Product Owners or Managers for integrations
• Members of the IT team supporting the CMP team at your organization
• Technical leaders who are estimating the effort and feasibility of custom integrations

The following can help you in using the API and Webhooks:

• Knowledge of REST
• Knowledge of JSON
• Access to the Optimizely Content Marketing Platform
• A Client Application – that is, the application that will connect to CMP as a client and consume the API and Webhooks

See also the following documentation:

• Optimizely Content Marketing Platform Open API reference
• Webhooks
• Optimizely Content Marketing Platform user guide

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Base URL

The open API is served through https://api.cmp.optimizely.com. You should update your integrations to use the new base URL. The previous base URL: https://api.welcomesoftware.com/v3 will remain functional until further notice.

What can the CMP Open API and Webhooks do?

The API library and Webhooks integrate with other applications in your MarTech ecosystem. You can use the Open API and Webhooks to achieve some of the following examples:

Synchronize assets with the Asset API and Webhooks (library)

The Asset API can sync supported assets with:

• The CMP library with an Optimizely Digital Asset Manager (DAM).
• Asset metadata between two systems.
• A Sales Enablement or Marketing Automation platform, including the metadata needed to sort, organize, and target those assets to specialized audiences in those systems.

The Asset API can send approved images from the CMP library to a specific folder in an image repository.

Manage external work with the Task API

The Task API can:

• Establish a link between a task step in CMP and a request ticket in another system. The link can let you monitor the ticket's progress as it progresses through an external workflow. 
• Collaborate during a workflow step with users in an external system during the content creation process.
• Defer a CMP workflow step approval to an external system for more complex legal reviews and compliance.

What is a successful connection or authorization?

An access_token represents a successful authorization. So whenever a client application obtains an access_token for a CMP user, the authorization of that user for that client application is successful.

Why do I have to log in on the first access?

You must log in so the authorization server can associate you as the impersonated user for the generated authorization tokens (access_token and refresh_token). After the client application generates the authorization tokens (access_token and refresh_token), the client application can periodically refresh the tokens without requiring re-authentication from the user.

The first time you establish a successful connection with the CMP Authorization Server, you are prompted to enter a user ID and Password because the browser serves as the front-end to the CMP Authorization server. Subsequent attempts look for your client application to verify the access token.

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Open API recommendation

Do not build URLs manually to fetch related resources. Instead, use the URLs provided in the links field in the