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Subject: [INCIDENT] Payment processing degraded — ETA 30 minutes

Team,

We are currently experiencing degraded payment processing for transactions above $1,000. Transactions under $1,000 are flowing normally.

Impact:

  • Affected: Card and ACH payments > $1,000
  • Unaffected: Sub-$1,000 card, all ACH under $1,000, refunds
  • Error rate: 12% (baseline <0.5%)
  • First detected: 14:22 UTC
  • Current status: Investigating; rollback candidate identified

Root cause so far:

  • The fraud-scoring service v3.2 update (deployed 14:15 UTC) introduced a latency spike for high-value requests, causing upstream timeouts.

Next update at 14:45 UTC or when resolved, whichever comes first.

— On-call engineering