Getting started with Lightning on the web

LNURL, WebLN & more

LNURL

spec for lightning actions via an encoded URL
actions can be i.e.
- payment
- auth, …
encoded server-URL can be decoded by i.e. a "wallet"
client can talk to related server to get detailed info
helps interacting with the lightning-node

LNURL (bech-32 encoded)

lnurl1dp68gurn8ghj7um5v93kketj9ehx2amn9ashq6f0d3hxzat5dqlhgct884kx7emfdcnxkvfavvurxdtyxy6xzcfjvvexywpsxsmn2vejxyen2erxvvmkxcmxx4jnsefnxucrvcfhvc6rwvrpvfsk2wpsx3nxvdf3xgckvdphvgcrgcgs3mh8z

lightning:LNURL1DP68GURN8GHJ7MRWW4EXCTNXD9SHG6NPVCHXXMMD9AKXUATJDSKHQCTE8AEK2UMND9HKU0F5XQCXYVTYX33K2WFK8QEKGD3CXPNRQDPHXUEXZWR9VVCNQCT98QENJDM9XPNXZCEJXGCRQETYV5URZVPHVCCNYVRPVSUN2CEJXVEN28TEXSD

https://github.com/fiatjaf/lnurl-rfc/blob/luds/01.md

LNURL (decoded)

https://stacker.news/api/lnauth?tag=login&k1=c835d14aa2c2b8047532135dfc7ccf5e8e3706a7f470abae804ff5121f47b04a

https://lnurl.fiatjaf.com/lnurl-pay?session=400b1d4ce9683d680f04772a8ec10ae8397e0fac2200ede8107f120ad95c2335

https://github.com/fiatjaf/lnurl-rfc/blob/luds/01.md

LNURL Types (Actions)

payRequest
...to do a payment
Authorize
...to login
withdrawRequest
...to receive sats
there's more, gave a look at the full spec
https://github.com/fiatjaf/lnurl-rfc

https://github.com/fiatjaf/lnurl-rfc

LNURL Response

JSON with details specific to the action

{
    "callback": string, // The URL from LN SERVICE which will accept the pay request parameters
    "maxSendable": number, // Max millisatoshi amount LN SERVICE is willing to receive
    "minSendable": number, // Min millisatoshi amount LN SERVICE is willing to receive
    "metadata": string, // Metadata json which must be presented as raw string here
    "tag": "payRequest" // Type of LNURL
}

For LNURLpay. I.e.:

https://github.com/fiatjaf/lnurl-rfc

GET request with "amount" to the callback to pay

LNURL

spec for lightning actions via an encoded URL
actions can be i.e.
- payment
- auth, …
encoded server-URL can be decoded by i.e. a "wallet"
client can talk to related server to get detailed info
helps interacting with the lightning-node
Also paste a LNURL here for detailed info:
https://www.bolt11.org

https://github.com/fiatjaf/lnurl-rfc

Lightning Address

https://github.com/andrerfneves/lightning-address/blob/master/README.md
https://github.com/lnbits/lnbits/tree/quart/lnbits/extensions/lnurlp

Lightning Address

https://github.com/andrerfneves/lightning-address/blob/master/README.md
https://github.com/lnbits/lnbits/tree/quart/lnbits/extensions/lnurlp

Lightning Address

https://github.com/andrerfneves/lightning-address/blob/master/README.md
https://github.com/lnbits/lnbits/tree/quart/lnbits/extensions/lnurlp

Lightning Address

https://github.com/andrerfneves/lightning-address/blob/master/README.md
https://github.com/lnbits/lnbits/tree/quart/lnbits/extensions/lnurlp

https://makers.bolt.fun/tournaments/1/events
https://twitter.com/jstol_

Lightning Links

<a href="lightning:bumi@getalby.com">Send sats to bumi</a>

<a href="lightning:LNURL1DP68GURN8GHJ7MRWW4E...NYVRPVSUN2CEJXVEN28TEXSD">
   This is a lightning link
</a>

WebLN

https://www.webln.guide/introduction/what-is-webln
https://www.webln.guide/introduction/benefits-of-webln

WebLN extends websites with events which help to interact with the lightning-network
Short: lightning-actions can be triggered from a webpage and a wallet can pick this up
No QR codes or copy/paste needed