The payment instruction is a LNURL
[doc]
🌐 Resolving
1. Sending
GET request to https://api.geyser.fund/lnurl/pay?projectId=1012. Response received with HTTP status
200 OK3. ... with body
{"status":"ERROR","reason":"Could not generate a lightning invoice for this project"}4. Parsed as JSON
{
"reason": "Could not generate a lightning invoice for this project",
"status": "ERROR"
}