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Why your M-Pesa payment may fail

Common reasons an M-Pesa buy does not complete — and what to do.

Beginner 4 min readUpdated 5/27/2026

If your M-Pesa buy didn't complete, it's almost always one of these — and your money is safe in each case.

Common reasons

  • You didn't enter your PIN in time. The STK prompt expires after a short window. Just retry.
  • You cancelled the prompt or entered the wrong PIN.
  • Insufficient M-Pesa balance for the amount plus any M-Pesa charges.
  • No payment method added. You need to add and confirm your M-Pesa number first.
  • The prompt didn't arrive. Network delays happen — retry, or check payment status.
  • Daily M-Pesa limit reached on your number.

What to do

  1. Retry the STK push — this fixes most cases.
  2. Check payment status before assuming it failed; confirmations can lag a minute.
  3. Confirm your M-Pesa number is added and correct in Payment Methods.
  4. If money left your M-Pesa but no crypto arrived, don't panic — our system reconciles confirmed payments automatically and credits your crypto. Contact support with your M-Pesa transaction code if it doesn't resolve.

Coinwaka never credits crypto until M-Pesa confirms your payment — so a failed prompt simply means no charge went through.

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