| What it does | Connect your users' LinkedIn, email, WhatsApp and iMessage accounts to send messages at scale and get every reply back through one API
| Point-in-time market data API for backtesting and quantitative research
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| Stage | Not given
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| Founded | Not given
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| Based in | FR
| US
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| Pricing model | Paid
| Freemium
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| Pricing | $55/month for up to 10 connected accounts, $5.50 per account for 11–50 accounts, $5.00 per account for 51–200 accounts, $4.50 per account for 201–640 accounts, $3,000/month flat for unlimited accounts. Dedicated iMessage lines $199/month per line. Unlimited usage on all channels; no per-call fees.
| Free: 1,000 calls/day, last 12 months of data. Look-back history: $195 for 5 years (one-time), $290 for 10 years, $385 for 15 years, $480 for 20 years, $575 for 25 years, $670 for 30 years, plus $19.95/month for daily updates. Individual products: GEX from $29 per ticker, futures from $49 per market
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| Key features | - LinkedIn messaging, invitations, Sales Navigator InMails, posts and engagement
- Email outreach from Gmail, Outlook and SMTP with email finder and verification
- WhatsApp messaging with text, files and voice notes
- Dedicated iMessage lines with US and UK numbers
- Real-time webhook delivery of replies and bounces
- MCP server for Claude, ChatGPT and Gemini integration
- Device signature binding for account security
- No-code integration via Make, n8n and Zapier
- Account health monitoring with real-time alerts
| - 16,000+ US stocks including delisted names with 26+ years of history
- Point-in-time dealer gamma (GEX) for 11,209 stocks, ETFs and indexes since 2010
- 22,700+ macro series with historical vintages and revisions
- Intraday bars at 1-minute, 5-minute, 15-minute, 30-minute, hourly and daily resolutions
- SEC fundamentals and 13F institutional holdings point-in-time since 2013
- Python client with yfinance-style interface returning pandas DataFrames
- MCP server integration for AI agents including Claude and ChatGPT
- COT positioning data since 1986 for futures markets
- CSV and Parquet download formats with bulk file options
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| What makes it different | - Unified API for four channels with the same request format across LinkedIn, email, WhatsApp and iMessage
- Account safety prioritized with dedicated infrastructure and real-time monitoring rather than blind limits
- Price capped at $3,000/month regardless of scale after 640 connected accounts
- GDPR and CCPA compliant with EU-hosted data and Google-verified security
| - Survivorship-free: includes 9,000+ delisted stocks that broker APIs omit for more realistic backtests
- Point-in-time accuracy prevents look-ahead bias in fundamentals and macro data
- All data accessible through single API without stitching multiple sources together
- Data ownership: purchased history is yours to download and keep forever
- Intraday bars back 26+ years unlike brokers that provide only 60 days
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 44 ▲ +1 (up) since last check | 2 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 4 | 3 |
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| Citation Flow (Majestic) | 31 | 26 |
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| Referring domains (Majestic) | 77 | 18 |
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LinkupAPI
FinzData