Apify builder
Stefano Seggio Delta Engine Architecture for Regulatory & Compliance Data — 28 production feeds, pay only for what changed.
Leaderboard position
out of 7,494
New actors
#115
Total actors
#478
↑ +109
Monthly users
#836
↑ +211
Total users
#1,853
↑ +178
Monthly runs
#1,062
↑ +956
Total runs
#2,168
↑ +1,339
Portfolio stats
New actors
28
Total actors
28
↑ +10
Monthly users
34
↑ +16
Total users
54
↑ +18
Monthly runs
763
↑ +631
Total runs
1,008
↑ +743
New actors
Each bar shows one day in the last 30 days.
Portfolio concentration
21 of 28 actors cover 80%+ of monthly users.
Delta-tracks UAE corporate registrations and license-status changes across ADGM and DIFC free zones (zero-setup) plus optional Dubai mainland via your own Dubai Pulse API key. Real-time status-change alerts, bilingual Arabic/English name normalization, and structured JSON output. Pay-per-event.
9%
users
Monitors Cordoba, Argentina's official public tenders (licitaciones) portal on your schedule and returns structured JSON per tender: organism, dates, status, budget, contact phone. Delta mode flags only new, status-changed, amended, or closed tenders. Zero infrastructure to maintain.
6%
users
Automated delta monitor for Mendoza, Argentina's COMPR.AR procurement portal. Tracks licitaciones and contrataciones directas by type, status, organism and budget in structured JSON, flagging new listings, status changes and amendments for zero-maintenance compliance monitoring.
6%
users
Delta-tracked compliance monitoring for Salta Province, Argentina's public procurement portal. Tracks new, amended and closed tenders and contract awards — organism, expediente, opening date, document links — as structured JSON. Zero-maintenance delta feed, ready to pipe into your systems.
6%
users
Compliance monitoring for Santa Fe Province, Argentina tenders: licitaciones, concursos, contrataciones directas from ministries, hospitals, SAMCOs. Delta mode returns only new, changed or amended records as structured JSON — buyer, budget, deadlines, rubros, pliego/circular PDFs. No manual checks.
6%
users
Automated delta monitoring of Tucuman, Argentina's official procurement portal across licitaciones, concursos and contrataciones directas. Zero-maintenance tracking of new, changed and awarded tenders, delivered as structured JSON with renglon detail, montos and pliego PDF links.
6%
users
Monitors any domain's robots.txt, Cloudflare Content-Signal line, and llms.txt for AI-crawler permission changes across tracked bot tokens (GPTBot, ClaudeBot, Google-Extended, PerplexityBot, and more). Delta-only structured JSON output, free baseline, pay-per-event billing only for real changes.
3%
users
Delta feed for Aozora Bunko: automatically flags newly digitized and revised public-domain Japanese texts plus status changes on each scheduled run, in structured JSON events with full decoded text on request. Zero-maintenance state tracking; pay only for genuinely new or changed records.
3%
users
Scheduled monitor for Buenos Aires Province's PBAC tender portal (Argentina). Delivers only new, changed, or closed procurement records as structured JSON via a persistent delta engine, zero maintenance, with managed scheduling and a built-in Residential AR proxy for compliance and bid teams.
3%
users
Delta-tracks ClinicalTrials.gov status changes (RECRUITING, COMPLETED, TERMINATED) and FDA Orange Book patent/exclusivity data from live public APIs. Fingerprint-based diffing returns only new or changed records as structured JSON, with full-jitter retry and ISO 8601 timestamps.
3%
users
Compliance monitor for Chile's Diario Oficial (official gazette): new laws, decrees and resolutions as structured JSON with ministry/agency hierarchy and PDF links. Delta mode flags only new or corrected entries on each scheduled run -- zero infrastructure to provision or maintain.
3%
users
Automated compliance monitoring of Brazil National Treasury bond auctions (LTN, LFT, NTN-B, NTN-F). Zero-maintenance delta detection flags new auctions, marginal-rate threshold breaches, and coverage-ratio anomalies as structured JSON. Sourced from Tesouro Transparente. Pay-per-event.
3%
users
Automated, schedule-based monitor for Entre Rios Province, Argentina's tender register (licitaciones) — Unidad Central de Contrataciones records verified live back to 2004. Detects and flags new listings, status changes, and closures as structured, delta-aware JSON records for compliance tracking.
3%
users
Delta monitoring of EU public procurement notices across all 27 member states via TED's official Search API - new tenders, contract awards, and status changes as structured JSON. Zero-maintenance: self-refreshing query window, no re-billing for unchanged notices. Pay-per-event.
3%
users
Normalizes FDA openFDA drug recalls and EMA DHPC safety alerts into one 18-field JSON feed, tagged by jurisdiction. Delta-mode change detection flags only new or status-changed records across scheduled runs -- no manual diffing. No API key required. Pay-per-record.
3%
users
Zero-maintenance compliance monitor for Australian Government grant awards on GrantConnect (grants.gov.au). A delta engine flags new, varied and updated awards in structured JSON: recipient, ABN, agency, value, purpose, program, location, ISO dates, numeric AUD. Pay only for new results.
3%
users
Scheduled, low-maintenance monitoring of Florida state procurement on MyFloridaMarketPlace: ITB, RFP, ITN, RFI, RSQ, Single Source and award notices. Delta engine returns only new, amended or closed solicitations as structured JSON, with UNSPSC codes, contacts and documents included.
3%
users
Automated compliance screening: cross-references OFAC SDN vessel sanctions against the UN Consolidated List by IMO number. Delta-engine flags new designations, program changes, and delistings as structured JSON, on any schedule you set, with no API keys required.
3%
users
B2B lead discovery and enrichment: crawls a seed list or OpenStreetMap for businesses, verifies emails via DNS/MX, and optionally scores buying intent with Claude Haiku 4.5. PAY_PER_EVENT pricing, structured JSON output for SDR workflows.
3%
users
Extract structured JSON metadata (title, meta description, canonical URL, Open Graph tags, H1, word count) from any site. Built-in change detection surfaces only what changed; automatic retries and session rotation need no upkeep. Pay only per successfully extracted result.
3%
users
Continuously monitors Regione Lombardia's official Socrata grants/tenders (bandi) registry for compliance teams. Computes real OPEN/UPCOMING/CLOSED status, classifies each bando by policy area, and delivers structured JSON only on genuine changes -- zero maintenance, pay only for what changed.
3%
users
ActorHunt MCP
ActorHunt gives paid members MCP access to keyword data, actor evidence, and Store movement for deciding what to build next.
