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E00007 / E_WC_21 User authentication failed

  • I've read dozens of these posts here and it appears that the code either starts working, someone had invalid keys, or changes\updates the Accept.js code. I've yet to get this working. It was working at one point on sandbox just fine, not at all on live\production and now cannot work on Sandbox either.
  • I've regenerated keys numerous times, displayed API ID and ClientKey to console and they match what's in my account
  • I've verified the Accept.js API URL is JSTEST for TEsting\Sandbox and JS. for Live\Production.
  • I only receive this error if the Card Info is valid. If the card info is invalid I ONLY get the "Invalid Card" error, as expected.


Please give me some other ideas.