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claude-code - 💡(How to fix) Fix [Billing] Claude Code Max 20x: OSS Program promo applied to wrong SKU, $200 overcharge (ticket 215473995216928) [1 comments, 1 participants]

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anthropics/claude-code#54133•Fetched 2026-04-28 06:38:20
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I was accepted into the Claude for Open Source Program in March 2026 with a promise of "Claude Max 20x free for 6 months." On April 20, 2026 I was charged $200 because the promotion was applied to the wrong product (Pro instead of Max 20x). After a week of silence on both the email and in-app Fin chat channels, I am opening this issue as a public escalation path.

Root Cause

I was accepted into the Claude for Open Source Program in March 2026 with a promise of "Claude Max 20x free for 6 months." On April 20, 2026 I was charged $200 because the promotion was applied to the wrong product (Pro instead of Max 20x). After a week of silence on both the email and in-app Fin chat channels, I am opening this issue as a public escalation path.

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Summary

I was accepted into the Claude for Open Source Program in March 2026 with a promise of "Claude Max 20x free for 6 months." On April 20, 2026 I was charged $200 because the promotion was applied to the wrong product (Pro instead of Max 20x). After a week of silence on both the email and in-app Fin chat channels, I am opening this issue as a public escalation path.

The SKU mismatch (receipt evidence)

The April 20 receipt shows:

  • Line item: Max plan - 20x · Qty 1 · $200.00
  • Promo line: 6 Months of Pro (100% off) · $0.00
  • Total paid: $200.00

I was not enrolled in Pro, so the "6 Months of Pro (100% off)" line offsets nothing on my Max 20x bill. The system applied the promotion to a plan I never signed up for.

Reference numbers

  • Ticket ID: 215473995216928
  • Invoice number: 36B0DF3D-0011
  • Receipt number: 2926-1432-5114
  • Date charged: April 20, 2026
  • Billing period: Apr 20 to May 20, 2026
  • Account email: [email protected]
  • OSS acceptance email: from [email protected], subject "You're in: Claude for Open Source Program"

What I have tried

  • April 20: opened Fin in-app chat, ticket 215473995216928 assigned. Fin offered only "cancel subscription as part of refund," which would forfeit the OSS Program benefit. Refused.
  • April 22: emailed [email protected] (cc [email protected]) with the SKU mismatch evidence. Five days, no response.
  • April 27: returned to Fin chat with multiple messages including an explicit "I do not accept this determination. Please escalate this to a human billing support representative." No response.
  • April 27: sent a follow-up email in the same thread. Opened this issue as a public escalation since both first-party channels are silent.

The correct resolution

  1. Replace the misapplied 6 Months of Pro (100% off) promotion with the Max 20x, 100% off for 6 months promotion that the OSS acceptance email promised.
  2. Refund the $200 charged on April 20, 2026.
  3. Keep the Max subscription active so the 6-month OSS benefit runs its full term from the original activation date.

I would prefer this be handled through normal billing support, not via cancellation-and-refund, because cancellation defeats the OSS Program benefit.

Public X post for context

https://x.com/i/web/status/2048938466168476152

extent analysis

TL;DR

The most likely fix is to manually correct the promotion applied to the user's account, replacing the incorrect "6 Months of Pro (100% off)" with the intended "Max 20x, 100% off for 6 months" promotion.

Guidance

  • Verify the promotion details in the user's account to confirm the mismatch between the applied promotion and the intended one.
  • Check the OSS acceptance email and related documentation to ensure the correct promotion was promised.
  • Manually update the user's account to apply the correct promotion, "Max 20x, 100% off for 6 months", to prevent further incorrect charges.
  • Process a refund for the $200 charged on April 20, 2026, as this was an incorrect charge due to the promotion mismatch.

Notes

The issue seems to be a result of an administrative error in applying the wrong promotion to the user's account. The provided reference numbers and email records should help in identifying and correcting the issue.

Recommendation

Apply workaround: Manually correct the promotion and process a refund, as this directly addresses the root cause of the issue and ensures the user receives the intended benefit from the OSS Program.

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