I am founder of PostPress.io and Grivo.io.

John Kenn  • Peerlist

<h3>About PostPress</h3><p>PostPress is a developer API designed to unify messaging across multiple platforms, including LinkedIn, Gmail, WhatsApp, Instagram, Telegram, Messenger, and X. It offers a single authentication flow, a unified message object, and a consistent webhook stream for all integrated channels. This allows developers to build outreach tools, lead generation engines, and AI sales agents more efficiently.</p><h3>Key Features:</h3><ul><li><strong>Unified Messaging API:</strong> Integrate LinkedIn, Gmail, WhatsApp, Instagram, Telegram, Messenger, and X through a single API endpoint.</li><li><strong>AI Capability Layer:</strong> Built-in AI primitives for intent scoring, ICP matching, and reply drafting, reducing the need for extensive AI integration work.</li><li><strong>Simplified Workflow:</strong> One authentication, one request shape, and one webhook stream across all channels.</li><li><strong>LinkedIn Integration:</strong> Send InMails and connection messages, read conversations, and manage outreach without requiring specific partner approvals.</li><li><strong>WhatsApp Integration:</strong> Works with personal and Business accounts via QR pairing, bypassing Meta Business verification and template approvals.</li><li><strong>Cross-Channel Consistency:</strong> Identical request and response shapes for all supported messaging platforms.</li><li><strong>White-label by Default:</strong> Seamlessly integrate into your own branded applications.</li></ul><h3>Use Cases:</h3><ul><li><strong>Lead Generation:</strong> Build tools that monitor platforms for buying signals and engage prospects.</li><li><strong>Recruiting:</strong> Develop applications to pull, score, and rank candidates programmatically.</li><li><strong>Data Enrichment:</strong> Create tools that extract and summarize profile information using authenticated APIs.</li><li><strong>AI Agents:</strong> Equip AI agents with native social messaging capabilities for reading, sending, and monitoring communications.</li></ul><h3>Pricing:</h3><p>PostPress offers a 7-day free trial. Paid plans start from $12/month per account, with custom enterprise solutions available.</p>