Svix
Svix is the enterprise ready and open source webhooks service. Webhooks are a pain. Developers need to worry about deliverability, retries, monitoring and security. All of which are different for webhooks compared to the rest of the stack. We turn all of that into a simple API call. Svix is sending billions of webhooks for customers both large (Fortune 500) and small (startups), and is backed by Y Combinator, Andreessen Horowitz (a16z), Aleph, and founders and CTOs of companies such as Github, P
Y Combinator
yc-company-directory #4480Svix is the enterprise ready and open source webhooks service. Webhooks are a pain. Developers need to worry about deliverability, retries, monitoring and security. All of which are different for webhooks compared to the rest of the stack. We turn all of that into a simple API call. Svix is sending billions of webhooks for customers both large (Fortune 500) and small (startups), and is backed by Y Combinator, Andreessen Horowitz (a16z), Aleph, and founders and CTOs of companies such as Github, P
sourceAndreessen Horowitz
a16z-investment-list #919Svix is classified as Developer tools from source descriptions and fund-directory context. Similar companies below are ranked from offline product facets and meaningful description overlap; category and source affiliation can only strengthen an existing product match. For lookup-created rows, the profile starts as pending enrichment until deeper source collection runs.
Local clusters rerank extracted product concepts and description terms. The generated graph remains the fallback for sparse descriptions: offline reciprocal product-similarity graph: extracted concepts + description terms + bounded category/affiliation boosts. Minimum fallback score: 0; max competitors: 6.
Companies similar to Svix
A deterministic local cluster built from offline product facets and meaningful description terms. Category and selected-institution affiliation provide bounded tie-breaks. Open any peer to continue exploring its cluster.
Mailgun
match 86Mailgun is a developer-focused email delivery platform that empowers companies to send, receive, and track transactional and marketing emails through an API. Founded in 2010, Mailgun became a Y-Combinator success story later acquired by Rackspace. In February 2017, Mailgun spun back out as a standalone business focused on building best-in-class email deliverability solutions. We are headquartered in San Antonio with remote teams in San Francisco and Austin. Customers like Slack, Lyft, Github, an
shared product terms: developer, companie, send, api; shared product theme: developer infrastructure, sales and marketing; same category: Developer tools; shared affiliation: Y Combinator
Typewise
match 81Typewise is an AI-first customer service platform where orchestrated agents resolve requests end-to-end by taking real actions across your stack. Teams describe outcomes in natural language and the platform compiles them into working automations—no flowcharts, no code. You can safely simulate changes and roll them out step by step. Fortune 500 brands such as Unilever and DPD use Typewise to cut support effort by 50%+ while increasing CSAT and NPS. With 200+ integrations, Typewise reads from and
shared extracted concept terms: fortune, 500, customer; shared product terms: stack, customer, fortune, 500; shared product theme: developer infrastructure, sales and marketing; shared affiliation: Y Combinator
Sift
match 79Sift is the leader in Digital Trust & Safety, empowering digital disruptors to Fortune 500 companies to unlock new revenue without risk. Sift dynamically prevents fraud and abuse through industry-leading technology and expertise, an unrivaled global data network of 70 billion events per month, and a commitment to long-term customer partnerships. Global brands such as DoorDash, Twitter, and Wayfair rely on Sift to gain a competitive advantage in their markets.
shared extracted concept terms: fortune, 500; shared product terms: fortune, 500, companie, billion; shared product theme: sales and marketing, security and compliance; shared affiliation: Y Combinator
Fabraix
match 79Fabraix builds state-of-the-art AI red-teaming agents that continuously detect security vulnerabilities in customer-facing AI. Our product, Nyx, has already found vulnerabilities in agents at dozens of Fortune 500 companies. On AgentHarm, the leading benchmark for offensive AI security, Nyx achieved a 78% attack success rate, compared with 67% for GPT-5.6 Sol. Companies usually pay for penetration tests one project at a time. They select which systems to include, give a team a few weeks to find
shared extracted concept terms: fortune, 500; shared product terms: security, customer, fortune, 500; shared product theme: sales and marketing, security and compliance; shared affiliation: Y Combinator
SendHub
match 69SendHub makes business communication fast, simple, and effective. Our complete online business SMS messaging solution helps thousands of companies communicate more effectively with on-the-go workforces, customers, and more. SendHub is a Y-Combinator graduate, and is backed by Menlo Ventures, Kapor Capital, 500 startups, the Seraph Group, Paul Buchheit, Eric Ries, Jawed Karim and Jeb Bush.
shared extracted concepts: customers; shared product terms: simple, companie, customer, combinator; shared product theme: sales and marketing; same category: Developer tools; shared affiliation: Y Combinator
Syntertainment
match 6Other company.
shared affiliation: Andreessen Horowitz; nearby official-directory cohort