Pipeline Stage 01

Event Intake

Decisions arrive through four channels — REST, ISO 8583, message queues and flat files. Every request is authenticated, scoped to one institution and validated before any rule runs.

Request Handling

simplified flow
request
  -> look up organization by x-org-id
  -> compare x-api-key in constant time
       mismatch            -> 401
  -> per-route and global rate limits
       exceeded            -> 429
  -> validate body against the channel schema
       invalid             -> 400
  -> map to rule facts (stage 02)

Channels

REST JSON, raw ISO 8583 (binary or hex, optional length framing), Kafka/AMQP consumers with HMAC-signed messages, and a flat-file batch watcher.

Authentication

API key checked with constant-time comparison after looking up the organization, which removes timing signals about whether a key or organization exists.

Perimeter

Per-organization IP blocks are enforced on API requests. The in-process request scanner is advisory; a dedicated edge WAF is expected in front of QUORUM in production.

Limits

No latency figure is claimed for intake. Per-channel latency will be measured under a defined load during a pilot.

KB Analytical Solutions Inc. // Event Intake // Describes QUORUM at code baseline e9c2cf7