Hello, As with most APIs, our API has rate limits to help maintain stability and security. Our standard API access has a rate limit of 10,000 calls per day, and 4 calls per second. Domo is hitting their calls per day limit as they have several users. We have reached out to Domo to suggest they become a member of Constant Contact's Technology Partner program, as our Partners enjoy higher rate limits. We recommend reaching out to Domo to urge them to become a Constant Contact partner so that their API Key rate limits can be increased. Regards, David B. Tier II API Support Engineer
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