| What it does | The interoperability layer for AI-enabled websites
| Connect your users' LinkedIn, email, WhatsApp and iMessage accounts to send messages at scale and get every reply back through one API
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| FR
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| Pricing model | Open source
| Paid
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| Pricing | Free and open source
| $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.
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| Key features | - Multi-protocol support - projects to MCP, ACP, AP2, NLWeb, REST, GraphQL, OpenAPI and feeds
- AI Readiness Validator - scores site readiness from 0 to 100 with per-capability checks
- Discovery network - agents can discover AI-ready sites by capability or type
- OAuth2 with PKCE support for secure authentication
- SDKs in 8 languages - TypeScript, JavaScript, React, Python, PHP, Go, .NET and Ruby
- WordPress plugin for auto-generating AI2Web manifests
- Chrome extension for checking any site's AI readiness instantly
- SSRF protection for all outbound requests
- Supports llms.txt and agent.json formats for backwards compatibility
| - 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
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| What makes it different | - Describe your website once in a single manifest, projects automatically to all major AI protocols
- No vendor lock-in and no per-vendor rebuilds required
- Built-in safety by construction - high-risk actions always preview before running
- Free and open source with CC-BY 4.0 spec and MIT licensed SDKs
- Works across Claude, ChatGPT and any MCP client without per-vendor work
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 12 ▲ +1 (up) since last check | 42 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 9 | 4 |
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| Citation Flow (Majestic) | 19 | 31 |
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| Referring domains (Majestic) | 61 | 77 |
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AI2Web
LinkupAPI