| What it does | Market data API for stocks, forex, crypto, and commodities
| Identify an IP as VPN, residential proxy, hosting, Tor, CDN or relay, with the operator and evidence behind each flag.
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| Stage | Startup
| Startup
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| Founded | 2025
| 2026
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| Based in | US
| PK
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| Pricing model | Freemium
| Freemium
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| Pricing | Free tier: 10,000 REST calls/month, 60 req/min rate limit, 1 WebSocket connection, 5 symbol subscriptions, full historical depth. Crypto Builder: $79/mo (billed annually), 250,000 REST calls/month, 100 req/sec rate limit, 3 WebSocket connections, 100 symbol subscriptions. Crypto Pro: $239/mo (billed
| Free: 50,000 lookups a month. Starter: $19.00/mo (250,000 lookups, then $0.09 per 1,000) or $190.00/year. Scale: $99.00/mo (2,000,000 lookups, then $0.07 per 1,000) or $990.00/year. Max: $199.00/mo (5,000,000 lookups, then $0.05 per 1,000) or $1,990.00/year. Enterprise: Custom pricing, annual.
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| Key features | - Real-time cryptocurrency market data aggregated across major centralized venues
- Real-time US equities, ETF, and ADR quotes with corporate actions and fundamentals
- Foreign exchange data for majors, minors, and exotic pairs from multiple global liquidity sources
- Commodities data for metals, energy, and agricultural markets
- DEX and DeFi data with swap-level activity and pool state across multiple blockchains
- On-chain fundamentals including TVL, supply, holder counts, and protocol-level metrics
- REST and WebSocket access with sub-100ms delivery latency
- Multi-venue price aggregation and normalization into unified JSON schema
| - Detects VPNs with operator identification - tracks over 2,200 providers
- Detects Tor nodes with daily updates
- Identifies privacy relays and enterprise web gateways
- Confidence scoring for each classification
- Downloadable databases in CSVGZ and MMDB formats
- Location and ASN data with every lookup
- SDKs for 13 programming languages
- Real-time API with batch processing up to 1,000 addresses
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| What makes it different | - Single credential and unified schema across all asset classes eliminates need for multiple vendor integrations
- Same production stack and API for free tier through enterprise, enabling seamless scaling without rebuilding
- Team built and operated by market data engineers with over a decade of experience shipping institutional infrastructure
| - Evidence-backed classifications - every flag includes the operator, confidence level, last seen date, and for proxies, persistence metrics across 90 days
- Daily data refresh to keep classifications current
- Distinguishes between legitimate privacy services and anonymity threats
- Open datasets under Creative Commons - Tor IP and Relay IP free for all accounts
- Downloadable databases for on-premises deployment without API calls
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 40 ▲ +2 (up) since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 24 | 1 |
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| Citation Flow (Majestic) | 32 | 25 |
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| Referring domains (Majestic) | 131 | 32 |
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SiftingIO
VPNDetection