SequenceWiki

Paying BTC Lightning Muun

Sequence Wiki — Paying Your Invoice

Paying BTC Lightning Muun
Table of contents

📝 What You’ll Need

  1. Muun Wallet installed and funded with BTC

    Make sure your Lightning wallet (e.g., Muun - only BTC) is installed on your mobile device and has sufficient funds to complete the payment.

    For setup instructions, refer to:

  2. Time to complete your payment

    Once you open your invoice payment gateway, you’ll have up to 30 minutes to finalize the transaction before a new address / QR is generated.

  3. Browser compatibility

    Please use Google Chrome for maximum compatibility.

    Avoid using Safari or Firefox, as some features may not work correctly.

📒 Step 1: Your invoice

  • Locate the invoice email you received from Sequence and open the PDF. \
  • Click on the Payment URL shown in the top section.
  • This unique link will open your a Payment Gateway that is unique to your invoice, where you’ll find the amount due, payment options, and your unique Bitcoin or Lightning payment address.
    💡 Tip: If the Payment URL shows a line break, be sure to copy the full link before opening it — otherwise, the page won’t load correctly
    💡 Tip: If the Payment URL shows a line break, be sure to copy the full link before opening it — otherwise, the page won’t load correctly

    ⚠️ Important Note: Each invoice has its own unique payment link and BTC address — please never reuse an old BTC address. Always use the address from the most recent invoice you received.

  • The Sequence Payment Gateway is an automated billing system that generates a unique payment link for each invoice. This link opens a personalized payment portal where you can pay via Bitcoin, Lightning, or USDT/USDC (via a third party called “FixedFloat”).

    🎥 For a full overview, please watch the following video:

  • Once you click the Payment URL, a new browser tab will open showing your Payment Gateway.

💰 Step 3: Pay your Lightning Invoice

▶️ Watch (easy to follow)

or

📒 Read (Full step-by-step with screenshots)

When you select Lightning, you can complete your payment directly from your Muun wallet.

  1. Scan the QR code using your Muun app, or Copy and paste the Lightning address shown in your Payment Portal.
  2. Validate the amount and recipient, then tap SEND. The payment will be completed instantly if your wallet has enough balance to cover the invoice and fees.
  3. Verify Your Payment. Go to your Muun home screen, tap the arrow at the bottom, then select the transaction you want to review. The next screen will show your payment receipt, including amount, timestamp, and confirmation details.
  4. Confirm Invoice Payment. Return to your Payment Gateway. If your payment was successful, the screen will automatically update to show “Invoice Paid.”
  5. You will have an acknowledgment email from Sequence in your inbox.

💡 FAQs

Why can’t I pay directly from Bybit using the on-chain Bitcoin address that appears on my invoice?
  • Bybit is not a Lightning-enabled exchange, so it can’t be used to pay Lightning invoices.
  • Bybit does support on-chain BTC transfers. Please note that each invoice generated will have a unique address.
  • If you would like to use the lightning network, we suggest downloading Muun Wallet and setting up a wallet. For step-by-step setup instructions, visit:
  • You can then send funds from Bybit to your Muun wallet and settle using the Lightning Network.
  • If you are using FixedFloat (paying by USD), this is a third party service. You need to select Lightning first, before selecting your coin / network. This is because FixedFloat is able to settle invoices with the Lightning Network.
    • Please note that once you start the flow with FixedFloat you have 8 minutes to make the transaction. If you change coin mid flow, you will need to wait 30 minutes for the invoice to expire so that a new invoice can be generated and used by FixedFloat with your new coin / network choice.
  • Alternatively you can pay your invoice using another exchange with lightning payments enabled. Refer to your exchange’s official guide below for step-by-step instructions:
What should I do if I see “Invoice Expired” when opening my payment link?

If the 30-minute window passes and the invoice expires, please return to the Sequence Invoice Portal or use your browser’s Back button to reload the previous page.

Why does Muun show “This payment is too small”?

When attempting to pay a Sequence invoice using Muun Wallet (On-Chain), you may see this error.

This message appears when the transaction amount is below the minimum threshold required by the Bitcoin network (commonly known as the dust limit).

What to do: If this message appears, please send an email to support@tradewithsequence.com. Our team will review it and provide you with further instructions.

What happens if I pay after the invoice expires?

If you send your BTC payment after the 30-minute timer expires, the system will generate a new payment address when the invoice refreshes.

Even if Muun shows the transaction as “Confirmed”, that payment will not be automatically reconciled, since it was sent to an expired address.

What to do:

Please email support@tradewithsequence.com and include your TxID (transaction ID), along with a short note explaining what happened. Our team will manually verify and apply it to your account.

Example: Muun TxID
Example: Muun TxID
What happens if I underpay or overpay an invoice?

If the amount you send doesn’t exactly match the invoice total, it will be detected automatically by our accounting team.

  • If you overpay, the extra amount will be credited to your next invoice.
  • If you underpay, the difference will be added to your next invoice.
Should I send my TxID via the Main Dashboard?

No, with this new method your invoice is automatically reconciled in our system — the good news is you no longer need to send us your TxID.

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