As I was doing more research, I came across this from Twitter: "These limits include actions from all devices, including web, mobile, phone, API, etc. API requests from all third-party applications are tracked against the hourly API limit. People who use multiple third-party applications with their account will therefore reach the API limit more quickly." (https://help.twitter.com/en/rules-and-policies/twitter-limits). If I am not mistaken this seems to mean that Twitter is limiting the number of tweets that Constant Contact users are creating through the API and we just happen to be caught in the middle.
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