The public index

Provider auto-synthesized from endpoint observations on alphavantage.co

Alt-data discovery events + Ensemble SaaS sandbox that lets buyers evaluate/trial/buy datasets under ONE standard NDA/MSLA/bill; added Exabel analytics via acquisition.

Largest independent web-data supplier: residential/datacenter proxies, Web Scraper API, hosted Scraping Browser, ready-made datasets, and a Web MCP server for agents.

Web-scale Knowledge Graph (billions of entities) plus Extract, Crawl, a <300ms Web Search API, and an NL API - with a self-hostable 'web search you own' (4TB compressed index).

US consumer card-transaction data panel (~140M active cardholders after 2024 expansion) positioned as the balanced, affluent-inclusive alternative to Consumer Edge.

Owns the largest emerging-markets consumer e-receipt panel (1.8M+ users across SEA, MENA, LatAm); sells transactional e-receipt data to investors, distributed via Bloomberg/Exabel.

India-delivery data-annotation vendor (multimodal: image/text/audio/video, LiDAR 3D) with impact-sourcing hubs in Tamil Nadu; listed on AWS Marketplace.

Enterprise proxy network (175M+ residential, 20M+ mobile IPs across 188+ countries) plus Web Scraper API, Web Unblocker, and an 'AI Studio' with LangChain/CrewAI/Cursor integrations.

Impact-sourcing data-annotation vendor (Certified B-Corp): human-verified CV/NLP/multimodal + GenAI annotation, workforce in East Africa.

Structured SERP-scraping API across Google/Bing/Amazon/DuckDuckGo (incl. Google AI Overview/AI Mode endpoints), with proxies, CAPTCHA solving, and a legal-shield posture for lawful public-data scraping.

Japanese financial-information company operating the Kabutan stock-information media plus livedoor media properties, and selling financial data/information and system services to financial institutions, along with AI and NFT/blockchain offerings.

UK B2B marketing services firm selling data bureau services, audience planning, a 'B2B Live' data-as-a-service offering, plus outbound/inbound call-centre lead generation, content syndication, and marketplace intelligence.

Domain 302-redirects to anteriad.com (Anteriad, which absorbed 180byTwo): sells global B2B data for audience identification and demand generation, offering multi-dimensional customer/prospect views via self-service and managed services plus BDR/SDR and analytics.

Homepage is a JS shell with no static text, but the live api.1forge.com endpoint (e.g. /quotes?pairs=EURUSD) confirms it operates an API-key-gated REST API serving real-time forex currency-pair quotes.

Financial services platform that analyzes unstructured data in financial documents (e.g. filings) and produces actionable insights for investment professionals, aimed at letting analysts cover more companies faster.

UAE arm of the 2GIS mapping platform: sells access to '2GIS API' and '2GIS data' — detailed city maps, business/POI listings, search and routing — plus advertising placements on the platform.

Sells insider-transaction data covering over 60,000 stocks, delivered via customizable feeds and APIs, with quantitative model outputs/predictive scores plus customized research, advisory, and alerting services.

Sells air-travel data products: PriceEye (competitive airfare pricing data for dynamic pricing) and DemandView (bot-filtered flight-shopping demand analytics), derived from billions of daily price points in near real time.

Sells geospatial insights derived from satellite imagery and AI: EarthDataInsight (urban-planning analytics platform) and EarthDataPlace (marketplace for satellite-derived datasets such as land surface temperature, vegetation health, and urban heat islands).

Sells two products for institutional investors: 'Insights' (alpha predictions for 20,000+ listed stocks with stock-specific sensitivities across 326 factors) and 'Indices' (AI-constructed index series such as the S&P 500 3AI Index).

Operates a 'signal layer' for first-party consumer data: normalizes and governs transactions, behavioral, and media signals from fragmented sources into queryable, portable form, and runs an activation network connecting data owners, platforms, agencies, and brands without moving the data.

Sells US consumer-data append and hygiene services via batch and API: email/phone/address/demographic/contact appends, reverse lookups, email and phone verification, skip tracing, wealth screening, data enrichment, and custom consumer/political/real-estate mailing-list building.

ACLED sells real-time global armed-conflict and protest event data (political violence events, fatalities, civilian targeting, armed-group activity) covering all countries, delivered via a data export tool, downloadable files, an API, and dashboards/monitors for regions like Ukraine, Gaza, and Yemen.

Sells B2B contact and company lists — claims 42M executive contacts, 32.4M emails, 13M company profiles, 5.1M CEO/owner emails — plus email/phone/address appending, CRM data cleansing, and contact-discovery services; the site itself notes it is not GDPR-compliant.

Sells consumer marketing data and identity resolution: the Real ID identity graph with 10K+ per-person insights, data enrichment/unification products, and prebuilt audience segments for targeting, activated through platforms like Adobe, Salesforce, Snowflake, and Databricks.

Sells travel and consumer intent data sourced from 270+ travel/entertainment/real-estate partner brands — 24B+ data elements across 1.7B+ digital identities in 100+ countries — as audience segments (Cortex Catalog), predictive analytics, campaign measurement, and destination expenditure reports; owned by RateGain.

Swiss ad-tech company selling programmatic advertising services rather than raw data: a managed mobile DSP with AI conversion prediction (AdCTRL), cookieless contextual video targeting for YouTube/TikTok/Pinterest (PXLSTRM), age verification, omnichannel campaigns, and brand-lift surveys.

Sells WiFi-derived in-store visitation data: builds customer profiles (email + device ID) from venue WiFi logins across a claimed 100M+ verified profiles, and sells audience retargeting (Meta, TikTok, CTV), walk-through-rate ad attribution, and retail-media/captive-portal advertising for physical venues.

Weather/climate services firm selling GIS weather data and analytics built from ground stations, satellite data, historical storm records, and forecasts, plus custom weather reports and impact-based consulting for industry and government; no self-service API is offered.

Sells TV and political ad-intelligence data: ad airing detections with timestamps, creatives, and AI transcripts across broadcast, cable, and CTV in all 210 US DMAs down to zip-code level, plus political ad spending tracking, delivered via a cross-TV ad library with Snowflake/AWS integration, API access, and custom feeds.

Payroll/HCM provider whose data products include ADP DataCloud workforce analytics and ADP Research Institute labor-market reports, drawing on payroll data covering roughly 1 in 6 US workers; integrations run through its API Central.

Adstra sells identity resolution and data licensing for marketers: a composable identity graph with connection-strength scoring, premium consumer audience segments, and data-driven customer-acquisition services for brands, agencies, publishers, and ad-tech platforms.

Sells competitive search-advertising intelligence data: tracks competitor ads and rankings across Google (paid, Shopping, Performance Max), ChatGPT Ads, AI Overviews, and LLM rank tracking, plus brand-protection signals like ad hijacking and trademark-infringement detection, for brands and agencies.

Sells audience data for digital ad targeting: hundreds of behavior-based segments (interests, brands, demographics) across CTV, mobile, and desktop gathered globally, plus a cross-device ID graph, with cookieless CTV audiences as the flagship product.

Advan sells location and consumer-spend data combining anonymized cell-phone location (10T+ data points, 9M+ POIs, 150M buildings) with 25B+ card transactions, packaged as foot-traffic, property-level, spend, and migration/demographic datasets and platforms (FIT, REI, REVEAL, SPENDVIEW, Patterns+, REP) for finance, CRE, retail, and public sector.

Advisen sells specialty commercial-insurance risk data — including loss/claims data such as cyber and casualty losses — to P&C insurance professionals, alongside industry news media and conferences; now part of Zywave.

Affinity (affinity.com) is an ad-tech company selling advertiser and publisher monetization products — SitePlug traffic quality, VEVE ad formats, Opinary polls for first-party data collection, NucleusLinks affiliate monetization — rather than standalone datasets; note the Snowflake-listed CRM company Affinity is at affinity.co, not this domain.

Call-center/BPO outsourcing firm whose data offering is AI data services: multilingual training-data generation (dual-channel audio), transcription, labeling, and data validation produced as a service for clients rather than off-the-shelf datasets.

Sells travel-pricing data in three verticals: airline fares (on-demand and filed/GDS fares, ancillaries, historical pricing, parity detection), hotel data (property-level live rates, LAR/BAR tracking, 400+ days of price history, reviews, future supply), and car-rental rates (live rates, ancillaries, filed-rate baselines, demand signals), delivered via Flight/Hotel/Car Rental/Events/Reviews APIs.

Sells residential real estate data and valuations covering 136M+ US properties: a Real Estate Data API, bulk property data, HPI/RPI indices, MSA- and ZIP-level analytics, and automated valuation (AVM) and comp tools.