Your available balance is the total amount of funds you are able to send over the Lightning Network, which may differ from your total balance due to a variety of reasons. These could include: all your funds not being allocated to the Lightning Network, funds held for channel closes, funds held for future Lightning Network operations, or pending fund transfers that have not been confirmed.

The first 30 days are free. After this, you will be billed the platform fee for your Service Tier at the beginning of each month (the first month will be prorated if you don’t sign up on the first day of the month), as well as the overage fees from the previous billing period, if any.

You can pay with a credit or debit card, in which case we will charge your card automatically - five days after we issue your invoice. Additionally you can pay with Lightning or bitcoin - your invoice will include a link which will generate the amount due in sats and provide you with the Lightning or bitcoin address to use. Alternatively the invoice you receive will also include a link which will generate the bitcoin payment amount. If paying by Lightning or bitcoin, the generated spot price will remain valid for 24 hours before you will be required to generate a new invoice through the link.

When making a payment, the Send funds flow will show the available balance.  This is the balance available to send on Lightning.  When withdrawing funds on Bitcoin L1 via the Withdraw flow, the available balance for withdrawals will be displayed.

Lightning payments can be made through the Send flow on the Lightspark dashboard or through the API/SDK.  Bitcoin L1 payments can be made through the Withdraw flow on the dashboard or API/SDK.

The most common cause of failed payments is setting too low of a fee limit.  Some Lightning wallets require higher fees or minimum amounts to be sent.  During the Send flow, the fee amount can be set to a custom value.  The fee amount is not necessarily the amount that will be paid, but instead is the maximum amount that could be paid for fees.  Lightspark strives to send over low-cost routes but will attempt to use higher-cost routes if needed and the fee limit accommodates the higher fee.

Yes we will send you invoices during the first week of every month, these will explain your account usage. This is also available in our account dashboard. You are also able to reach out to us at support@lightspark.com with any questions.

Frequently Asked Questions

Why can’t I spend all of my funds?

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