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Developer-first, native integration platform for GTM tools
Vessel is the developer-first, native integration platform for GTM tools. We make it easy for developers to integrate with your customer’s CRMs, Sales Engagement, Marketing Automation, Chat, Dialers, and more. Integrate in different ways customized for your use cases: - Speed: Use our Unified APIs to roll out many integrations quickly through a common data model and unified interface. - Depth: Use our actions API to build deeper integrations when working with entities custom to each app. - Ease: Use ETL to let us handle pulling and pushing customer data to your DB - Extensible: Support any integrations through our open-source integrations library Breadth and depth, make your integrations limitless.
Vessel is a developer-first, native integration platform designed to connect customer tools across sales, marketing, and more. It emphasizes unified APIs, action APIs, and managed ETL to speed up building and maintaining integrations.
The platform provides a unified API and action API to read/write data across apps, real-time webhooks for data change notifications, and prebuilt actions for common use cases. It includes drop-in authentication, standardized error handling, typed SDKs, and extensible support via an open-source integrations repo. Features include managed data pipelines, permission controls, SOC 2 security, white-labeling, and scalable performance for terabytes of data and billions of API calls. It offers both ready-made integrations (CRM, sales engagement, chat, marketing automation, dialer) and tooling to build/customize customer-facing integrations with a single API and common data model.
Who it’s for: Organizations building customer-facing integrations across sales, marketing, and related tools, particularly teams needing developer-friendly, scalable integration infrastructure for GTM tools.
Pricing pages indicate multiple tiers (Free, Launch, customized for business), suggesting active monetization and product maturity; mentions of enterprise readiness, SOC 2 compliance, and handling large-scale data imply traction and formalization for business customers.
Avery Yip is the co-founder of Vessel. Avery previously worked at Productiv as a backend/infra engineer in the SaaS management space. When he started at Productiv, it was Series A with less than 10 customers and he helped grow it to Series C with over 100 customers. He earned a degree in Computer Science & Data Science from UC Berkeley.
Career Experience: Productiv (Series C) - FE Developer, Gusto - KP Engineering Fellow, FaceBook/Meta - FE engineering Intern || Entrepreneurial Experience: KP Fellow, Accel Scholar, Glynn Capital Investment Fellow, Cal Hacks Executive Director || Collegiate Experience: UC Berkeley - Computer Science
Vessel allows developers to read and write to their customer’s CRM with one integration.
Vessel offers a universal API for CRMs, enabling developers to read and write across 8 CRM objects with a unified interface, webhooks, a drop-in UI to securely connect a customer’s CRM, and mechanisms to avoid platform rate limits. It targets developers building products that integrate with customers’ CRMs and emphasizes easier data modeling and related object associations.
From the original launch (Jul 2022) — may be outdated.
Formerly “Kin Finance”, “Kinit” · why startups rename →

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Webhooks Gateway for outgoing and incoming webhooks.