Error handling

There are different errors that could happen while using the WebLN APIs:

  • User denies access to WebLN

  • User cancels the process

  • Connection errors

  • Payment errors

When an error happens during a WebLN API call the exception is thrown. Thus it is heavily recommended to handle different kinds of errors and let the user know what went wrong.

function pay() {
  if(typeof window.webln === 'undefined')
  try {
    await window.webln.enable();
    await window.webln.sendPayment(...);
  catch(err) {

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