Apify builder
João Ferreira Independent developer building reliable data APIs and automation tools for economic calendars, public tenders, prediction markets, market research.
Leaderboard position
out of 10,354
New actors
-
Total actors
#1,328
↓ -386
Monthly users
#1,383
↑ +27
Total users
#2,653
↓ -159
Monthly runs
#1,001
↓ -281
Total runs
#1,415
↓ -6
Portfolio stats
New actors
0
+0
Total actors
13
+0
Monthly users
22
↑ +8
Total users
35
↑ +7
Monthly runs
1,531
↓ -669
Total runs
5,047
↑ +1,508
New actors
Each bar shows one day in the last 30 days.
Portfolio concentration
9 of 13 actors cover 80%+ of monthly users.
Schedule enriched alerts for new public Polymarket whale-wallet trades. Infer maker/taker role, add notional and dynamic fee context, suppress duplicate alerts across runs, and preview activity free before enabling paid records. No wallet credentials or private API keys required.
14%
users
Monitor public Amazon product pages and emit only detected price or availability changes across scheduled runs, with persistent baselines, bounded inputs, free previews, and explicit source diagnostics.
9%
users
Monitor public Apple App Store reviews and deliver only newly discovered low-rating feedback with persistent deduplication, country filters, app-version fields, free previews, and bounded alert volume.
9%
users
Monitor selected Android apps for newly posted low-rating Google Play reviews with persistent deduplication, app versions, developer replies, helpful votes, transparent issue labels, and per-app source-health telemetry.
9%
users
Monitor active official EU competition notices from TED with bounded date, country, CPV, buyer, notice-type, and language filters plus deadlines, estimated values, source links, and explicit coverage telemetry.
9%
users
Aggregate official BLS, Census, BEA, and Federal Reserve release schedules into a normalized API-ready calendar with UTC timestamps, Eastern times, period labels, source links, major-event filtering, and bounded output for agents, alerts, spreadsheets, and automation.
9%
users
Search and normalize current official Grants.gov opportunities with funding amounts, deadlines, eligibility, contacts, descriptions, update fingerprints, coverage telemetry, and source links.
9%
users
Verify Polymarket and Kalshi contract matches with execution-sized order-book VWAPs, current fee math, one-tick stress, semantic conflict flags, and explicit non-atomic execution warnings. Built for agents, analysts, and trading dashboards that need evidence beyond headline price gaps.
9%
users
Turn Polymarket public order books into execution-sized data. Get YES/NO VWAPs, worst fill prices, live fee schedules, depth checks, book age, and fee-adjusted pair economics for research, dashboards, automations, and AI agents. No wallet or API key required.
9%
users
ActorHunt MCP
ActorHunt gives paid members MCP access to keyword data, actor evidence, and Store movement for deciding what to build next.
