Glossary

Visual shorthand for the key LinkPeek services referenced throughout the glossary.

Term	Definition
Capture lab	Module that records inbound HTTP requests for debugging webhooks and APIs.
Payload lab	Tool for hosting mutated payload variants to test client rendering.
Retry lab	Suite of endpoints that simulate failure modes to validate retry logic.
Scanner	Scheduler that performs repeatable HTTP checks and stores response diffs.
Tunnel	Cloudflare-powered reverse proxy exposing LinkPeek to external traffic.
Realtime hub	WebSocket service that streams lab updates without client polling.
NDJSON	Newline-delimited JSON format used for exporting capture and event logs.
DATA_DIR	Persisted storage location for uploads, exports, and audit transcripts.
Topic	Realtime channel identifier (e.g. payload.list, tunnel.status).
Quickstart	Post-deployment validation checklist covering labs and exports.