Line4

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Line4 builds supervisory technology for financial regulators and central banks. The platform runs the supervisory data lifecycle: it collects returns from regulated firms in XBRL, Excel and CSV, by secure portal, API or MCP; validates each one as it lands with deterministic rules; uses AI to read returns and attachments and flag what needs attention; and manages follow-up and enforcement cases with a full evidence trail. AI reads, rules check, and supervisors decide. Line4's engineers deploy the platform inside the regulator's own team and cloud, live in weeks. At an international financial regulator, Line4 shipped four production systems in six months.