Go to Solution.
We have written an article with step by step instructions on how to get those pieces of information. Please follow this link and go through the steps listed.
this link is not working we are looking for our api and access token
It looks like the link had an extra space at the end. I have fixed it. Please try again. For convenience, the URL is https://community.constantcontact.com/t5/Product-News/How-to-generate-an-API-Key-and-Access-Token/ba...
This does contain the steps needed for getting this information.
Tier II API Support Engineer