Clearly the API support is only during USA hours, which is NOT ACCEPTABLE. We have had a critical part of our business down for at least 12 hrs.. without even a reply until just.
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[30/04/2025, 11:02:57] { errorCode: 'E0000021', errorSummary: 'Bad request. Accept and/or Content-Type headers likely do not match supported values.', errorLink: 'E0000021', errorId: 'oaekRSTtR_7QqCJvvecfAVHfA', errorCauses: [] } [30/04/2025, 11:03:06] This is the error response we’re getting back from CC
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I believe this is the standard error message when the recipients email address has been blocked from receiving by the recipient. In other words, they have opted out of receiving emails from CC
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