MassGain API Index

MassGain has a simple core technology policy:
"If we can't do it with Google Sheets, JavaScript, Cloudflare, ChatGPT, and simple API outputs (over which we build preferred UIs), we don't do it."
Below, you'll find a comprehensive list of the API outputs we use for operational intelligence, system state, governance transparency, and market signaling.
v.1.2.5
Updated:

Endpoints

Endpoint Method Purpose Access Status
Ops Data GET Service root. Returns discovery index of all operational JSON abstractions. Public LIVE
Ops Data/api/heartbeat.json GET Canonical daily synthesis of market pricing, UCUI state, and operational regime. Public LIVE
Ops Data/api/fapp.json GET Daily FAPP:COM spot price log. Public LIVE
Ops Data/api/eex.json GET Weekly EEX European Processing Potato Index (FAPP) physical market price log. Public LIVE
Ops Data/api/usda.json GET Daily USDA potato pricing data from 15 active terminal-market and shipping-point reports. Includes US and Canadian production regions. Contains 45 days of rolling data. Full history available on request. Public LIVE
Ops Data/api/ucui.json GET Daily log of MassGain's potato-market-focused "usable crop uncertainty index" (UCUI). Public LIVE
Ops Data/api/ops.json GET State-change-only log of operational regime derived from UCUI and market signals. Public LIVE
Ops Data/api/physical.json GET State-change-only log of spread between FAPP:COM spot and FAPP physical market prices. Public LIVE
Ops Data/api/starch.json GET Starch inventory accounting and cost basis abstraction. Public Pending Data
Ops Data/api/wrap.json GET Wrap production accounting and throughput abstraction. Public Pending Data
Ops Data/api/liquidation_events.json GET Log of starch liquidation events. Public Pending Data
Ops Data/api/ruleset_log.json GET Versioned governance log of UCUI thresholds, operational state rules, and potato market monitoring logic. Public LIVE
UCUI Log GET Daily, append-only NDJSON log of UCUI classifications and justifications. Public LIVE
UCUI Log /api/ingestion-metrics.json GET Real-time ingestion telemetry: articles/hour, rejection breakdown, and domain distribution for UCUI signal pipeline. Public LIVE
UCUI Newsletter Feed GET Mutable, email-derived RSS feed containing normalized links from potato-industry newsletters. Used as an input signal for UCUI crop-risk monitoring. The feed refreshes every 5 minutes and contains newsletter-derived articles ingested within the past ~26 hours relative to the current system time (UTC). Public LIVE
Website Analytics GET Read-only website analytics abstraction. Public LIVE

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