Or try to delete the domain from our service (in the control panel, domains > addon domains), then add it back again (domains > add a subdomain). But please follow the guide I gave to you first before you try this.
Please let me know if you have further issues.
The database password is the same as your hosting account’s password, and can be found by logging into the Client Area, clicking on the hosting account your domain is on, then clicking on “Show/Hide” on the Password field to show the password.
I suppose you are trying to sent some post requests to an api. This could be done through curl in php or something else in js. I’m not very good at this and you probably wanted to google.
Just to mention: hosting pirated software/frameworks here is prohibited!
Additionally, infinityfree once expect users to request domains like xxxxx.rf.gd with xxxxx no less than 5 characters. (Don’t know if it is still true.) Could you try to request a longer domain?