4D

4d2.org (Matrix)

4d2.org is a community Matrix homeserver on the decentralized Matrix communication network.

5.7k usesUpdated Oct 31, 2026
Pseudonym
matrixchatdecentralizedmessaging

About this module

Look up a public account on the 4d2.org Matrix homeserver by its username and surface its public profile, including display name and avatar.

Related modules

MAPseudonym
Matrix
Find a public matrix.org profile by username.
MIEmail Address
Microsoft Teams
Find a Microsoft Teams profile associated with an email address.
HAPseudonym
HamQTH
Resolve an amateur-radio callsign to its public HamQTH callbook profile: operator name, nickname, country, QTH, grid locator, DXCC/zones, public links and avatar.
QRPseudonym
QRZCQ
Resolve an amateur-radio callsign to its public QRZCQ callbook profile: operator name, country, QTH, grid locator, DXCC and CQ/ITU zones, QSL confirmation methods and public links.
PAPseudonym
Paltalk
Paltalk is a social platform for video, voice, and text conversations, with public member profiles and chat rooms.
CAPseudonym
Camfrog
Camfrog is a social platform for video chat rooms, shared communities, and public member profiles.
CIEmail Address
Cisco Webex
Resolves whether an email address belongs to a Cisco Webex SSO-federated organization and identifies the configured identity provider.
MAEmail Address
Matrix
Resolve an email address to its publicly linked Matrix ID and profile.

Rate limits

Pick the right plan for higher usage limits.

TierPer hourPer dayCooldownAction
Guest2 req/h3 req/day10sCurrent plan
Free10 req/h20 req/day5sSign up
Standard60 req/h200 req/day2sSee pricing
Pro100 req/h500 req/day2sSee pricing
Ultimate500 req/h2000 req/day0sSee pricing

Frequently Asked Questions

What impacts module results and how to interpret changes across executions.

Results depend on source platform availability, anti-automation controls, and temporary service limits. A valid target can still return partial or empty data when the upstream platform is rate-limited or unavailable.