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TRUST & POLICIES

Acceptable Use

Last updated: April 15, 2026

On this page
  1. You can use Mumm for
  2. You cannot use Mumm for
  3. We will terminate your account if
  4. Reporting misuse

You can use Mumm for

  • Negotiating any commercial transaction in good faith
  • Personal bills, purchases, services
  • Business-to-business negotiations within your authority

You cannot use Mumm for

  • Anything illegal
  • Negotiating taxes, child support, alimony, court-ordered payments
  • Actively-litigated claims (use a lawyer)
  • Impersonating another person or business
  • Negotiating on behalf of someone without their authorization
  • Harassment, abuse, or threatening behavior toward merchants
  • Submitting false information about yourself, the merchant, or the bill
  • Using the service to extract information for non-negotiation purposes

We will terminate your account if

  • You repeatedly submit fraudulent or invalid requests
  • You use the service to harass or abuse merchants
  • You attempt to circumvent our payment system to avoid fees
  • You violate the Terms of Service
  • We're legally required to

Reporting misuse

  • If you believe someone is misusing Mumm, email abuse@mumm.com
  • We take reports seriously and investigate within 5 business days