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Selling & Verification 3 min read

How to verify your phone number

Learn how inverse SMS verification works using Swiss mobile numbers to unlock selling privileges, rate limits, and seller revocation rules.

Linking and verifying a Swiss mobile phone number is required before you can list items for sale on Flear.ch. Verification uses an inverse SMS flow where you send a generated verification code to our gateway.

1 Inverse SMS Verification Steps

  1. Go to your Phone Settings Page .
  2. Enter your Swiss mobile phone number. Only valid Swiss mobile numbers are accepted (validated by SwissPhoneValidator) and each number must be unique across all Flear.ch accounts.
  3. A unique 6-digit verification code will be generated for your session.
  4. Send an SMS containing this 6-digit code from your phone to our SMS gateway number. You can tap the sms: deep link button or scan the displayed QR code on your mobile device to launch your pre-filled SMS app directly.

2 Rate Limits & Expiration Rules

  • OTP Code TTL: Each generated 6-digit code is valid for 10 minutes. Only the newest generated code is active at any time.
  • Cooldown Period: There is a 60-second cooldown between requesting new verification codes.
  • Hourly Challenge Limit: Verification requests are capped at 3 challenge attempts per hour to ensure platform security.

VerifiedPhone Role & Revocation Policy

Successful verification assigns the VerifiedPhone role to your account, unlocking canSell() privileges. If an administrator revokes seller permissions (RevokeSellerPermissions), your phone verification status is reset and all active listings are automatically suspended.

Previous Tips & tricks to get more sales
Next How to become a seller (Phone Verified vs. Verified Seller)

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Trust Center

Understanding member verification levels on flear.ch

Verified Seller
Highest Trust

Identity and seller credentials verified. Highest buyer protection, verified badge, and custom storefront avatar & banner branding.

Verified Phone
Phone Verified

Phone number verified via SMS confirmation. Unlocks the ability to create and manage listings.

Normal User
Email Verified

Standard community member with a confirmed email address. Can buy, bid, and message freely. Phone verification required to sell.

Not Active
Unverified

Pending email verification. Actions like listing items and direct messaging are locked.

Trust Center
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