delta-engine

Curated, live-verified directory of open regulatory, sanctions, procurement, and compliance data sources - plus a working reference implementation covering 28 of them as pay-per-event Apify Actors, with Python/Node.js quickstart loaders and DevRel write-ups.

Pay-per-event delta feed that turns SEC.gov's own litigation-release and administrative-proceeding RSS feeds into structured, EDGAR CIK-linked records — an enforcement-data alternative to 10-K/8-K filing scrapers.

Delta-tracks UAE corporate registrations and license-status changes across Dubai Mainland (Dubai Pulse), ADGM, and DIFC public registers, with bilingual Arabic/English entity-name normalization. Pay-Per-Event, from $0.01/event.

Particle System ported from XNA based SmithNgine to Delta Engine. This project won a competition held by the Delta Engine developers (http://www.deltaengine.net/) many years ago.

Crawls any site and extracts title, meta description, canonical URL, Open Graph tags, H1 and word count as structured JSON for SEO audits and RAG/LLM pipelines, with built-in per-URL change detection.

Pay-per-event KIPRIS Plus monitor: watches Korean patent/utility-model filings for status changes via your own KIPRIS Plus key, no markup on the license.

Monitors Chile's Diario Oficial (official gazette) daily and extracts new laws, decrees and resolutions with ministry hierarchy, PDF links, and delta-only change detection.

Monitors active public tenders (licitaciones) on Argentina's Province of Cordoba government procurement portal, with delta detection for new, status-changed, amended, and closed tenders.

Monitors Tucuman, Argentina's official procurement portal for new, transitioned, and amended government tenders (licitaciones) with delta-based change detection and pay-per-event pricing.

Delta-mode Apify Actor that monitors Mendoza Province's COMPR.AR tenders (licitaciones) portal and reports only new listings, status changes and budget amendments — no manual re-polling.

Delta Registry — pay-per-event regulatory & compliance data infrastructure. 28 Apify Actors across procurement, enforcement, IP, compliance, and sovereign-debt monitoring.

Pay-per-event Apify Actor turning Regione Lombardia's dati.lombardia.it Socrata bandi registry into a NEW_LISTING/STATUS_CHANGE/UPDATED delta feed — no manual polling.

Apify actor that monitors Entre Rios, Argentina's public tender register (licitaciones) and delivers new listings, status changes, and closures via pay-per-event dataset records.

Delta-tracked monitor for Buenos Aires Province's PBAC public tenders portal — upcoming openings, recent listings, and awards, priced pay-per-event.

Delta-tracks the UK Modern Slavery Statement Registry (gov.uk) — 34,000+ organisations, 23,500+ statements — for new statements, compliance-status changes, and missing Section 54 disclosures. Pay-Per-Event, from $0.01/event.

Monitors Salta Province, Argentina's public procurement portal (compras.salta.gob.ar) for new, amended and closed tenders — a delta-tracked, pay-per-event Apify Actor in TypeScript.

Delta-tracks EU public procurement notices — new tenders, contract awards, and status changes — across all 27 EU member states via TED's official public Search API, no auth required. Pay-Per-Event, from $0.01/event.

Delta-tracks Brazil's National Treasury (Tesouro Nacional) domestic bond auction results — LTN, LFT, NTN-B, NTN-F — for new auctions and revised results, sourced from the official Tesouro Transparente open-data portal. Pay-Per-Event, from $0.01/event.

Pay-per-event Apify actor delivering newly digitized, confirmed-public-domain Aozora Bunko texts as decoded deltas for Japanese NLP and digital-humanities pipelines.

Apify Actor that monitors Santa Fe Province, Argentina's public tender register (Gestiones de Compra) and delivers new, status-changed, and amended tenders as structured JSON via a stateful delta engine.