| 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
| High-performance REST API for Indian Railways data with sub-millisecond latency
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| Stage | Not given
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| Founded | Not given
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| Based in | FR
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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 Welcome Tier: 10,000 free API credits upon signup with Google OAuth. Pro Top-Up Pack: ₹99 for 100,000 API requests.
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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
| - Real-time train GPS tracking with platform assignment and live running delay
- PNR verification with passenger manifests and charting status
- 14-day multi-class seat availability forecast from PRS reservation engine
- Vacant berths detection after chart preparation
- Real-time ticket fare breakup across multiple quotas
- Daily cancelled trains list with zero cache latency
- Direct train search between stations with running days filter
- Fuzzy train name search with instant suggestions
- Station autocomplete across 8,500+ Indian Railway stations
- Official zero-dependency npm package with 100% TypeScript definitions
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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
| - Sub-millisecond P99 response times through in-memory caching
- 99.9% production SLA with enterprise rate-limiting and multi-zone failover
- 100% in-memory pathfinding graph engine for guaranteed uptime
- Direct connection to official Indian Railways PRS reservation engine
- Zero-dependency npm client with native fetch and full TypeScript support
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 42 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 4 | 7 |
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| Citation Flow (Majestic) | 31 | 13 |
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| Referring domains (Majestic) | 77 | 2 |
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LinkupAPI
IRCTC API