| What it does | Bulk phone number and email verification across 50+ platforms via API or no-code CSV upload
| Real-time recession probability and institutional-grade real estate market intelligence API
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| Stage | Not given
| Startup
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| Founded | Not given
| 2025
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| Based in | Not given
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| Pricing model | Paid
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| Pricing | Not given
| Free: $0, 100 API calls per day, macro indicators, sector rotation, CFTC positioning, 10 webhook alerts. Pro: $29/month, 10,000 API calls per day, 10 proprietary composite models, 5-year historical data, 50 webhook alerts, email support. Enterprise: $99/month, 100,000 API calls per day, 20-year hist
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| Key features | - Real-time verification against 50+ platforms
- No-code CSV/TXT upload interface
- REST API for automation and integration
- Support for 200+ countries
- Platform-specific detectors for messaging, social, crypto and carriers
- Activity detection (days active, last seen, profile data)
- Free single number checker tool
- Pay-as-you-go with no monthly fees
| - 10 proprietary composite models (recession, housing cycle, multifamily cycle, refi window, CRE stress, cap rate direction, DSCR sensitivity, positioning overlay, rent-to-price divergence, capital rota
- Real-time recession probability with 15-component leading-indicator model
- Multifamily cycle classification (accumulate/trim/hold/distress entry/distress deepening)
- Per-deal DSCR sensitivity under Fed rate scenarios (+/- 25/50/75/100 bps)
- Cap rate direction modeling without paid CoStar/RCA feeds
- Refi window timing with Fed rate scenarios for 30Y mortgages
- CRE stress composite with early-warning distress signals
- Institutional positioning overlay combining CFTC data with rate mechanics
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| What makes it different | - Supports 50+ platforms with a single API integration
- No platform login or QR code required for verification
- Both no-code and developer-ready options
- Real-time checks against live platform servers
- No data storage or marketing use of contact lists
| - Combines recession probability, real estate, and capital rotation models in one API instead of requiring subscriptions to three or four separate services
- Proprietary models designed for institutional-grade multifamily and CRE investment decisions
- Yield curve component has preceded every U.S. recession since 1955 with 6-to-24 month lead time
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 37 ● no change since last check | 11 ● no change since last check |
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| Trust Flow (Majestic) | 6 | 7 |
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| Citation Flow (Majestic) | 44 | 25 |
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| Referring domains (Majestic) | 42 | 41 |
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CheckNumber.AI
BullrunData