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How to use Indexx Pay

One balance.
Every Indexx app.

Indexx Pay keeps your money in dollars, as USDXX (1 USDXX = $1). Add money once, then pay in any Indexx app, pay friends in a chat, or send it to your own wallet. No fees: Indexx Pay pays them.

Open Indexx Pay See the apps

Test version: no real money moves yet.

Indexx Pay

Four steps. That's all.

1

Sign in

Use your Indexx account. Same account in every Indexx app.

2

Add money

Card or PayPal. $10 in = 10 USDXX. 1 USDXX is always $1.

3

Pay in any Indexx app

Choose Indexx Pay when you pay. No card details, no fees.

4

Get paid, send, cash out

Friends pay you in a chat. Send to your own wallet, or cash out.

App by app

Where to use it, and how.

Works todayNewComing soon
Indexx Exchange logo

Indexx Exchange

Works today

Buy crypto with your dollars.

  1. 1Pick the crypto you want
  2. 2Choose Indexx Pay to pay
  3. 3Done: the crypto is yours
Bitcoin Yay logo

Bitcoin Yay

Works today

Buy BTCY and mining plans.

  1. 1Open Buy BTCY
  2. 2Pay from your Indexx Pay balance
  3. 3BTCY lands in your account
Indexx Academy logo

Indexx Academy

Works today

Pay for courses.

  1. 1Pick a course
  2. 2Pay with Indexx Pay
  3. 3You're enrolled straight away
ShoperPal logo

ShoperPal

Works today

Pay at the shop checkout.

  1. 1Add items to your cart
  2. 2Choose Indexx Pay at checkout
  3. 3Your order is paid
Eeny Meeny Miny Moe logo

Eeny Meeny Miny Moe

Works today

Top up your trading cash.

  1. 1Open Deposit
  2. 2Choose Indexx Pay
  3. 3The money is there instantly
Wall Street logo

Wall Street

Works today

Fund your Wall Street account.

  1. 1Open Deposit
  2. 2Choose Indexx Pay
  3. 3Your deposit is funded
YaysApp logo

YaysApp

New

Pay a friend inside a chat.

  1. 1Open a chat, tap +
  2. 2Send USDXX, or Request USDXX
  3. 3Your friend taps Pay: done
Indexx Lotto logo

Indexx Lotto

New

Buy lottery tickets.

  1. 1Pick your numbers
  2. 2In the cart, choose USDXX (Indexx Pay)
  3. 3Tap Buy tickets
Indexx Wallet logo

Indexx Wallet

New

Move dollars to your own wallet.

  1. 1In Indexx Pay, open Send to a wallet
  2. 2Tap Use my Indexx Wallet
  3. 3Send: we pay all the fees
USDXX (LYNXX) logo

USDXX (LYNXX)

New

Earn, claim rewards, see live payments.

  1. 1Open usdxx.ai
  2. 2Sign in with your Indexx account
  3. 3Earn, claim rewards, check proof
AiAiNAi logo

AiAiNAi

Coming soon

A monthly plan for the AI assistant.

  1. 1Pick AiAiNAi Plus
  2. 2Approve it once with Indexx Pay
  3. 3Cancel any time in Indexx Pay

What it looks like

Real screens, test version.

A YaysApp chat with a USDXX request paid with one tap
Pay a friend in YaysAppAmara asked for 12 USDXX for concert tickets. One tap on Pay, and the chat shows “Paid” with a receipt.
Indexx Lotto checkout with USDXX as a payment option
Buy Lotto ticketsPick USDXX (Indexx Pay) in the cart. Your balance is shown; tap Buy tickets.
Indexx Wallet showing USDXX in Indexx Pay and in the wallet
See it in Indexx WalletYour Indexx Pay balance, and the USDXX in your own wallet on Base and Ethereum.

Coming next

One QR to get paid.

Your own “Pay me” QR, with your photo and name. Anyone with an Indexx app scans it and pays you. You choose once where the money goes: keep it in Indexx Pay, your own wallet, or your bank.

Planned screens: Home, My QR and where money goes
Planned screens: scan, check who you pay, paid

Design previews; the final screens may change. Swipe the pictures sideways to see all three screens.

Safe and simple, every time.

Always $1

1 USDXX is always worth 1 dollar.

No fees

Indexx Pay pays every fee, even to send to your own wallet.

See who you pay

Name and photo come from Indexx, so a fake QR is easy to spot.

Proof for every payment

A receipt, and a public record on the blockchain. No names on it.

Never share your password or one-time code. Indexx staff will never ask for them.

Ready? Your Indexx account is all you need.

Open Indexx Pay About USDXX ↗