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About contracts and payments

Fee, Payment

  • How do I get an invoice when paying by credit card?
  • Tell me about the timing of payments
  • Where can I change my credit card information?
  • I received an email saying "Payment processing failed"
  • What should I do if my credit card payment fails?
  • I accidentally changed to the Standard plan and want to return to the Free plan
See all 13 articles

Withdrawal, Cancellation

  • I want to delete a user account
  • I want to cancel my Mackerel plan/subscription

Need even more help?

If you have a problem that cannot be solved by the FAQ's alone, contact the Mackerel support team.

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