get https://apis.elai.io/api/v1/streams/
In case you've lost connection for some reason or after page reloads you can retrieve webrtcData from a server providing a specific streamId.
Here is an example of a response (it's the same as when you create stream):
{
"id": "661783648dd0fe73e0846643",
"webrtcData": {
"offer": {
"type": "offer",
"sdp": "v=0\r\no=- 1305108476168966665 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\na=group:BUNDLE 0 1\r\na=msid-semantic: WMS 55a74c0c-2fe1-4d76-abdb-67ad5a6f5fa6\r\nm=audio 48174 UDP/TLS/RTP/SAVPF 111 103 104 9 102 0 8 106 105 13 110 112 113 126\r\nc=IN IP4 216.39.253.44\r\na=rtcp:9 IN IP4 0.0.0.0\r\na=candidate:2733026917 1 udp 41820671 216.39.253.44 48174 typ relay raddr 0.0.0.0 rport 0 generation 0 network-id 2 network-cost 50\r\na=candidate:897171276 1 udp 41886207 216.39.253.46 31313 typ relay raddr 0.0.0.0 rport 0 generation 0 network-id 1 network-cost 50\r\na=candidate:2733026917 1 udp 41820159 216.39.253.44 30801 typ relay raddr 0.0.0.0 rport 0 generation 0 network-id 2 network-cost 50\r\na=candidate:897171276 1 udp 41885695 216.39.253.46 11442 typ relay raddr 0.0.0.0 rport 0 generation 0 network-id 1 network-cost 50\r\na=candidate:2079998908 1 udp 25108735 216.39.253.46 16373 typ relay raddr 0.0.0.0 rport 0 generation 0 network-id 1 network-cost 50\r\na=candidate:3038349044 1 udp 25043199 104.167.196.56 61699 typ relay raddr 0.0.0.0 rport 0 generation 0 network-id 2 network-cost 50\r\na=ice-ufrag:eEkB\r\na=ice-pwd:LYFa4iqGkGFslFjxZ4VvnVhH\r\na=ice-options:trickle\r\na=fingerprint:sha-256 0B:7C:41:43:A8:92:DA:F6:B9:22:B4:F3:D6:7A:14:6E:17:E0:84:7A:28:42:BA:63:83:75:42:75:76:6C:0E:DA\r\na=setup:actpass\r\na=mid:0\r\na=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level\r\na=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time\r\na=extmap:3 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01\r\na=extmap:4 urn:ietf:params:rtp-hdrext:sdes:mid\r\na=extmap:5 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id\r\na=extmap:6 urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id\r\na=sendrecv\r\na=msid:55a74c0c-2fe1-4d76-abdb-67ad5a6f5fa6 fd845451-de24-4ab3-9b19-944acd41923b\r\na=rtcp-mux\r\na=rtpmap:111 opus/48000/2\r\na=rtcp-fb:111 transport-cc\r\na=fmtp:111 minptime=10;useinbandfec=1\r\na=rtpmap:103 ISAC/16000\r\na=rtpmap:104 ISAC/32000\r\na=rtpmap:9 G722/8000\r\na=rtpmap:102 ILBC/8000\r\na=rtpmap:0 PCMU/8000\r\na=rtpmap:8 PCMA/8000\r\na=rtpmap:106 CN/32000\r\na=rtpmap:105 CN/16000\r\na=rtpmap:13 CN/8000\r\na=rtpmap:110 telephone-event/48000\r\na=rtpmap:112 telephone-event/32000\r\na=rtpmap:113 telephone-event/16000\r\na=rtpmap:126 telephone-event/8000\r\na=ssrc:748673523 cname:IvJ/7olJ7rQsoWWM\r\na=ssrc:748673523 msid:55a74c0c-2fe1-4d76-abdb-67ad5a6f5fa6 fd845451-de24-4ab3-9b19-944acd41923b\r\na=ssrc:748673523 mslabel:55a74c0c-2fe1-4d76-abdb-67ad5a6f5fa6\r\na=ssrc:748673523 label:fd845451-de24-4ab3-9b19-944acd41923b\r\nm=video 51237 UDP/TLS/RTP/SAVPF 96 97 98 99 100 101 127 124 125\r\nc=IN IP4 104.167.196.56\r\na=rtcp:9 IN IP4 0.0.0.0\r\na=candidate:4221204996 1 udp 41820159 104.167.196.56 51237 typ relay raddr 0.0.0.0 rport 0 generation 0 network-id 2 network-cost 50\r\na=candidate:2733026917 1 udp 41886207 216.39.253.44 34494 typ relay raddr 0.0.0.0 rport 0 generation 0 network-id 1 network-cost 50\r\na=candidate:2733026917 1 udp 41820671 216.39.253.44 49367 typ relay raddr 0.0.0.0 rport 0 generation 0 network-id 2 network-cost 50\r\na=candidate:4221204996 1 udp 41885695 104.167.196.56 59672 typ relay raddr 0.0.0.0 rport 0 generation 0 network-id 1 network-cost 50\r\na=candidate:3966063253 1 udp 25108735 216.39.253.44 45141 typ relay raddr 0.0.0.0 rport 0 generation 0 network-id 1 network-cost 50\r\na=candidate:3038349044 1 udp 25043199 104.167.196.56 62041 typ relay raddr 0.0.0.0 rport 0 generation 0 network-id 2 network-cost 50\r\na=ice-ufrag:eEkB\r\na=ice-pwd:LYFa4iqGkGFslFjxZ4VvnVhH\r\na=ice-options:trickle\r\na=fingerprint:sha-256 0B:7C:41:43:A8:92:DA:F6:B9:22:B4:F3:D6:7A:14:6E:17:E0:84:7A:28:42:BA:63:83:75:42:75:76:6C:0E:DA\r\na=setup:actpass\r\na=mid:1\r\na=extmap:14 urn:ietf:params:rtp-hdrext:toffset\r\na=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time\r\na=extmap:13 urn:3gpp:video-orientation\r\na=extmap:3 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01\r\na=extmap:12 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay\r\na=extmap:11 http://www.webrtc.org/experiments/rtp-hdrext/video-content-type\r\na=extmap:7 http://www.webrtc.org/experiments/rtp-hdrext/video-timing\r\na=extmap:8 http://tools.ietf.org/html/draft-ietf-avtext-framemarking-07\r\na=extmap:9 http://www.webrtc.org/experiments/rtp-hdrext/color-space\r\na=extmap:4 urn:ietf:params:rtp-hdrext:sdes:mid\r\na=extmap:5 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id\r\na=extmap:6 urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id\r\na=sendrecv\r\na=msid:55a74c0c-2fe1-4d76-abdb-67ad5a6f5fa6 726b9265-32f9-4a11-a7ae-ed47ce0f84c7\r\na=rtcp-mux\r\na=rtcp-rsize\r\na=rtpmap:96 VP8/90000\r\na=rtcp-fb:96 goog-remb\r\na=rtcp-fb:96 transport-cc\r\na=rtcp-fb:96 ccm fir\r\na=rtcp-fb:96 nack\r\na=rtcp-fb:96 nack pli\r\na=rtpmap:97 rtx/90000\r\na=fmtp:97 apt=96\r\na=rtpmap:98 VP9/90000\r\na=rtcp-fb:98 goog-remb\r\na=rtcp-fb:98 transport-cc\r\na=rtcp-fb:98 ccm fir\r\na=rtcp-fb:98 nack\r\na=rtcp-fb:98 nack pli\r\na=fmtp:98 profile-id=0\r\na=rtpmap:99 rtx/90000\r\na=fmtp:99 apt=98\r\na=rtpmap:100 VP9/90000\r\na=rtcp-fb:100 goog-remb\r\na=rtcp-fb:100 transport-cc\r\na=rtcp-fb:100 ccm fir\r\na=rtcp-fb:100 nack\r\na=rtcp-fb:100 nack pli\r\na=fmtp:100 profile-id=2\r\na=rtpmap:101 rtx/90000\r\na=fmtp:101 apt=100\r\na=rtpmap:127 red/90000\r\na=rtpmap:124 rtx/90000\r\na=fmtp:124 apt=127\r\na=rtpmap:125 ulpfec/90000\r\na=ssrc-group:FID 4132093035 879720522\r\na=ssrc:4132093035 cname:IvJ/7olJ7rQsoWWM\r\na=ssrc:4132093035 msid:55a74c0c-2fe1-4d76-abdb-67ad5a6f5fa6 726b9265-32f9-4a11-a7ae-ed47ce0f84c7\r\na=ssrc:4132093035 mslabel:55a74c0c-2fe1-4d76-abdb-67ad5a6f5fa6\r\na=ssrc:4132093035 label:726b9265-32f9-4a11-a7ae-ed47ce0f84c7\r\na=ssrc:879720522 cname:IvJ/7olJ7rQsoWWM\r\na=ssrc:879720522 msid:55a74c0c-2fe1-4d76-abdb-67ad5a6f5fa6 726b9265-32f9-4a11-a7ae-ed47ce0f84c7\r\na=ssrc:879720522 mslabel:55a74c0c-2fe1-4d76-abdb-67ad5a6f5fa6\r\na=ssrc:879720522 label:726b9265-32f9-4a11-a7ae-ed47ce0f84c7\r\n"
},
"iceServers": [
{
"urls": [
"turn:standard.relay.metered.ca:80",
"turn:standard.relay.metered.ca:80?transport=tcp",
"turn:standard.relay.metered.ca:443",
"turns:standard.relay.metered.ca:443?transport=tcp"
],
"username": "XXX",
"credential": "XXX"
}
]
}
}