| 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
| One API key for every AI model with unified billing and schema-first integration
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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
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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.
| Pay-as-you-go token-based billing. Video models from $0.0096/second to $2.52/video. LLM models from $0.05/1M input tokens. Audio and image models vary by capability. No subscriptions, no minimums, credits never expire. Failed generations not charged.
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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
| - Single API key for 250+ models across all providers
- Pay-as-you-go billing with no subscriptions or minimums
- Schema-first SDKs for six languages
- Real-time pricing transparency
- Per-project API keys for team access control
- Automatic task polling and webhook support
- Agent integration with OpenClaw and Hermes
- Usage analytics and spending controls
- Credits that never expire
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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
| - One authentication method unlocks the entire catalog across all AI model providers with no separate credentials to manage
- Transparent per-call pricing billed monthly with no hidden markups and failed requests not charged
- Pre-built typed schemas and constraints delivered through model skills for agent code generation
- Unified billing across all modalities and providers in a single monthly invoice
- Integrates natively into Claude Code, Cursor, and other developer agent environments
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 42 ▲ +1 (up) since last check | 35 ● no change since last check |
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| Trust Flow (Majestic) | 4 | 7 |
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| Citation Flow (Majestic) | 31 | 37 |
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| Referring domains (Majestic) | 77 | 125 |
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LinkupAPI
RunAPI