Customer Success Startups funded by Y Combinator (YC) 2026

Vendo is the customization layer that lets your users build their own features and micro-apps directly on top of your product. Rather than waiting on an ever-growing feature backlog, your users can personalize the product to exactly how they work, create their own automations, and integrate hundreds of external tools, all without your team writing a line of code. Everything runs on your existing API, renders natively in your own theme and components, and executes inside secure sandboxes within your existing security guardrails, so your source code is never touched. Companies can plug Vendo into an agent they already have, or deploy a production-ready agent complete with the ability to take actions in the product, generate UI, and draw on a built-in knowledge base. Vendo is open source and installs with a single command, and we work closely with teams to get it running for their product.

Minro helps companies stay close to their users as they scale. Today, most startups have thousands of product events flowing through tools like PostHog, but still have no real understanding of who their users actually are, which users are quietly about to churn, or what outreach actually brings them back. Founders care deeply about their users, but staying close to them becomes operationally impossible very quickly. Minro plugs directly into a company’s analytics stack and turns product activity into living customer intelligence. We enrich every user with context like their company, role, LinkedIn/GitHub/Twitter, background, and likely use case, currently matching users to the correct online identity with ~80% accuracy starting from just name + email. We then identify which users are most likely to churn based on behavioral patterns, persona similarity, and historical retention signals, and help founders proactively reach out before those users disappear. Minro drafts highly contextual founder-style outreach, tracks which conversations actually convert into retention, and continuously improves the system over time. The result is a customer intelligence and retention layer that helps companies understand their users better, build stronger relationships, and reduce churn before it happens.

Clad turns Slack, Teams, and email into one organized support queue. Agents investigate and resolve hard tickets the way a dedicated hire would, and every resolved conversation becomes knowledge, written up automatically.

Prox turns product expertise into revenue for equipment manufacturers. Equipment buyers rarely begin with a model number. They begin with a job, an installed system, a constraint, or a problem. The knowledge needed to qualify, recommend, configure, quote, repair, replace, or upgrade the product is scattered across manuals, catalogs, spreadsheets, calculators, product managers, applications engineers, dealer processes, support teams, and legacy systems. The result is abandoned demand, slow qualification, wrong-fit recommendations, quote delays, weak dealer follow-up, missed parts and service revenue, and dependence on a few experienced people. Prox builds AI product specialists for equipment manufacturers. A product specialist uses the manufacturer's approved product knowledge, expert rules, calculators, and connected systems to move customers and frontline teams from a complex product question to the right purchase, quote, dealer, parts, service, replacement, or upgrade path. How it works: 1. Understand what the person is trying to accomplish. 2. Resolve the product, application, and operating context already available. 3. Ask only for the missing information that changes the result. 4. Apply approved sources, expert rules, and deterministic tools (calculators, selectors, configurators, comparisons). 5. Produce a supported, cited recommendation, configuration, procedure, or decision artifact. 6. Move the person into the correct cart, quote, RFQ, BOM, dealer, sales, parts, service, replacement, upgrade, or expert action with the context preserved. One product specialist, many governed skills: product discovery and comparison, sizing and configuration, competitive defense, quote preparation, dealer enablement, installation and commissioning, troubleshooting, parts identification, and approved service, replacement, and upgrade paths. Manufacturers deploy those skills to customers, dealers, sales teams, applications engineers, support teams, or field service. Existing CRM, CPQ, commerce, and support systems stay in place. Support and service are revenue-bearing surfaces. The specialist resolves the customer's problem first, then surfaces the approved part, service, replacement, or upgrade path only when the evidence supports it.

Outlit helps B2B SaaS companies improve GRR and NRR by keeping more customers and finding more expansion revenue. Outlit creates a real-time view of every customer using product usage, support, calls, email, Slack, billing, CRM, and external signals. It assesses whether each account is likely to renew, expand, contract, or churn, then provides the evidence and next action. The result: stronger adoption, higher retention, and more expansion revenue from signals your team would never catch in a health score or any single tool.

We run customer operations for regulated industries with AI. Our QA layer reviews every interaction, human and AI, cutting manual QA by 99%. On top of it sit specialist agents for onboarding, remediation, reactivation, and retention that own accounts from approved to transacting, chasing customers over WhatsApp, email, and SMS

Enterprises have millions of customer interactions every year but are only able to monitor less than 2-5% of those. The rest 95% is unmonitored risk across compliance, customer experience, product defects, and agent performance. With AI agents widely deployed across customer support organisations this problem increases exponentially. Every company needs a unified layer that allows them to monitor and govern all customer interactions with customer support teams, humans and AI. Intryc is building this layer.

Build and run an AI support agent that resolves even your most complex tickets end-to-end. If a tool has an API, you can securely connect it to your agent - just by chatting with Parahelp. For example, you can connect Stripe so your agent can resolve billing questions and refund requests.

The AI-native Customer Intelligence Platform purpose built for post sales teams. Wavelength brings your entire customer data stack into one place - with powerful AI agents that uncover important signals and act instantly

Clueso is the fastest and easiest way for companies to generate high-quality instructional videos and documentation, ideal for customer education/onboarding and employee training. Our AI transforms simple screen-recordings into studio-quality videos and step-by-step documentation in minutes.

Pylon is the only agentic support platform, purpose-built for B2B companies. For leaders scaling AI-native support teams, Pylon lets humans and agents collaborate on customer work – investigating, resolving, and acting on every signal across every channel that matters. Unlike platforms built before the AI era, Pylon enriches every interaction with deep account-level context, automates the low impact customer work, and surfaces answers before your team even has to ask. The result: faster responses, happier customers, and a system that continuously improves itself. Hundreds of fast-growing YC companies of all sizes like Retool, Hightouch, and Deel use Pylon to manage their customers. Learn more at usepylon.com

Berry offers an AI CSM that scales customer success for SaaS companies. Every post-sales organization faces the challenge of scaling customer success without having to hire more. Berry combines the best of the two worlds - taking the white-glove onboarding experience and offering it at scale. Our AI CSM onboards, trains and grows accounts for you non-stop. It’s a 10x hire to your team - at a fraction of the cost.

Frigade AI is an in-app assistant that intelligently guides and onboards your users through your product. Our agent learns your product's interface, gives contextual guidance that adapts to each user, and takes actions directly on your users' behalf. Learn more at Frigade.com

Founded in Vancouver, British Columbia, Ariglad The first AI platform that integrates with support channels and release notes to auto-maintain your knowledge base. Ariglad suggests new articles, updates existing ones, detects duplicates, and merges them. Basically, it puts your knowledge base maintenance on auto-pilot. This is led by Co-Founders Sophie and Ali. They are both completely obsessed with this problem and their customers, who have partnered with Ariglad to become immensely more efficient.

We help onboarding, implementation and professional services teams at B2B companies onboard customers faster, more consistently and more efficiently with AI agents.

Atlas is a modern, all-in-one customer support platform that is built with AI first. We help you solve your customers problems faster by understanding them more completely with a suite of customer tools like session recording, bug tracking, and event feeds. You can think of us as the next generation Zendesk / Intercom combined with Log Rocket and Linear. Learn More: https://atlas.so/ Products: - Chat Widget - Ticketing - Omni channel Support (chat, email, WhatsApp, Slack Connect, and SMS) - Customer Timeline - Session Recording - Help Center - AI Chatbot - Customer Insights

Onboard is a SaaS which automates & streamlines the customer onboarding & implementation process. Easily create dynamic launch plans (customized per customer), which are collaborative with clients and visible to all stakeholders. Onboard is built for onboarding by a team that spent a better part of the last decade onboarding some of the worlds largest brands.

FlowEQ is the trusted provider of workflow automation for teams that need to accelerate their work, especially complex processes and high-volume workflows that require human judgment. The FlowEQ Workflow Acceleration Platform includes interactive decision trees that are used by customer support, operations and product teams across all industries to improve accuracy and speed up important recurring work. Using FlowEQ customers get through high-stake recurring workflows 10x faster, saving their companies time and money every day. For additional information, visit www.floweq.com.

Beau helps to work with people outside your company: build, visualize, and automate your customer-facing processes! 🔥 All with one, easy-to-use solution: collect forms, accept payments, keep updated, request details, and approve steps!

Chatwoot is an AI-powered customer support platform that enables businesses to deliver exceptional support experiences. Built as a modern, open-source, and self-hosted alternative to tools like Intercom and Zendesk, Chatwoot brings all your customer conversations into one place. You can connect email, website live chat, social media accounts, WhatsApp, and more, making it easy to manage every interaction from a single, unified platform.

WorkRamp is the All-in-One Learning Platform that your executives, employees, and customers will love. WorkRamp advances learning as a growth engine for your business with a flexible platform that empowers teams to develop top talent, exceed revenue targets, and inspire customers to become advocates. With a flexible, All-in-One Learning Platform, WorkRamp redefines the LMS for the modern workplace to help executives recognize learning as a growth engine and one of the most strategic investments an organization can make. See why top learning teams at Box, Outreach, and Reddit trust WorkRamp to drive business outcomes and organizational scale.

Natero helps Customer Success Managers reduce churn, increase expansion, and manage more accounts with less effort. Natero is the only Customer Success solution to combine predictive analytics, customer intelligence, and workflow management in a unified platform. This next generation solution helps B2B software providers prioritize, automate, and scale their Customer Success processes.