Base URL: https://api.rtcsl.info/v1

RTCSL API
API Url: https://api.rtcsl.info/v1/
ALL api calls return info in json format for easier parsing in any language including LSL

LSL Script:

string url = "https://api.rtcsl.info/v1/getmap";
list httplist = [HTTP_METHOD, "GET"];
key http_q;
default {
	state_entry() {
		http_q = llHTTPRequest(url+"?sim="+llGetRegionName(), httplist, "");
	}
	http_response(key rid, integer status, list md, string body) {
		if (rid == http_q) {
			string json = llUnescapeURL(body);
			string mapuuid = llJsonGetValue(json,["mapID"]);
			llSetTexture(mapuuid,ALL_SIDES);
		}
	}
}