Svix

Svix

Provides secure webhook API platform

Overview

Svix provides a webhook API service to manage automated messages (webhooks) between apps, enabling secure, real-time notifications. Its product handles sending and receiving webhooks through a reliable API, reducing engineering time for developers and teams. The platform emphasizes security and compliance, with certifications like SOC 2 Type II, HIPAA, GDPR, and CCPA, making it suitable for sectors with strict data rules. It differentiates itself through a strong open-source stance—many components are open-source and actively contributed to—alongside a tiered subscription model that includes an enterprise tier offering custom requirements and hands-on support, plus a free tier for getting started. Svix’s goal is to help businesses securely and efficiently exchange real-time data between applications.

YC Company

About Svix

Simplify's Rating
Why Svix is rated
C+
Rated C on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Data & Analytics

Enterprise Software

Cybersecurity

Company Size

11-50

Company Stage

Early VC

Total Funding

$10.5M

Headquarters

San Francisco, California

Founded

2021

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Simplify's Take

What believers are saying

  • September 2026 changelog shipped SDKs and CLI v2.5.0, signaling active platform investment.
  • Trypulse launched webhooks on Svix in September 2026, validating production demand.
  • Svix's official docs cite billions of webhooks and 99.99999% historical uptime.

What critics are saying

  • Svix status showed EU latency incidents on June 2, 2026 and September 3, 2026.
  • Open-source parity commoditizes pricing; engineering teams can self-host svix-webhooks instead.
  • A16z-backed competitors and hyperscalers can bundle webhook delivery, pressuring Svix within 12 months.

What makes Svix unique

  • Svix's MIT-licensed server matches hosted SaaS, easing self-hosting and migration in 2026.
  • Svix Dispatch combines SOC 2, HIPAA, GDPR, CCPA, PCI-DSS, and FIPS-140-3.
  • Its webhook stack spans retries, replay, transformations, FIFO, OpenTelemetry, and nine SDKs.

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Funding

Total Funding

$10.5M

Above

Industry Average

Funded Over

3 Rounds

Early VC funding comparison data is currently unavailable. We're working to provide this information soon!
Early VC Funding Comparison
Coming Soon

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Disability Insurance

401(k) Retirement Plan

Paid Sick Leave

Paid Vacation

Company Equity

Growth & Insights and Company News

Headcount

6 month growth

-23%

1 year growth

-16%

2 year growth

-23%
Pulse AI
Dec 24th, 2025
Webhooks Are Now Live in Pulse

Webhooks are now live in Pulse. If you're running asynchronous extractions at scale, you've probably built some version of a polling loop. Check if the job is done. Wait. Check again. It works, but it's not elegant, and it adds latency to workflows that could be reacting in real time. Today Trypulse is making webhooks generally available in Pulse, so your systems can respond immediately when extraction jobs progress, without the polling overhead. How it works. Webhooks provide real-time notifications for extraction lifecycle events: * Job started: trigger downstream prep work * Job completed: immediately process results * Job failed: route to error handling or alerting When an event fires, Pulse sends a signed payload to your configured endpoint. You verify the signature server-side to confirm the request originated from Pulse and hasn't been tampered with. Built for production. Trypulse partnered with Svix to power webhook delivery, which means: Automatic retries with exponential backoff. If your endpoint is temporarily unavailable, Trypulse'll keep trying with increasing delays rather than dropping the event. Delivery logs and event history. Everything is visible in the dashboard: delivery attempts, response codes, and payloads. When something doesn't look right, you have the data to debug it. Verifiable signatures. Every payload includes a signature you can check to ensure authenticity. No guessing whether a request actually came from Pulse. Why this matters. For teams processing documents at volume, the difference between polling and push is meaningful. Webhooks let you: * Kick off downstream workflows the moment extraction completes * Build event-driven architectures without polling infrastructure * Reduce end-to-end latency in automated pipelines * Get notified of failures immediately rather than discovering them later It's a small addition infrastructure-wise, but it came up a lot in conversations with teams scaling their extraction workflows. Available now in the Pulse platform (Link here)

Andreessen Horowitz
Oct 4th, 2024
Investing in Svix | Andreessen Horowitz

Every so often, we meet founders with unusually strong conviction about solving systems problems. They’ve often lived through the pain of bad software, diagnosed the cause of their suffering, and made it their mission to convince the world they have the right solution. Starting a company can be the best vehicle to do that. Tom...

Svix
Oct 26th, 2023
Built-in Support for Slack and Discord in Transformations

In a previous blog post, Svix Terms introduced Transformation Templates, which make transformations much easier to use for your customers.

Svix
Sep 13th, 2023
Introducing: event type feature flags

Svix Terms recently added support for hiding event types behind feature flags to make it easy to support these scenarios, and this blog post will show you how.

Startup Around
Apr 6th, 2023
Svix Raises Funding Round

Svix, a San Francisco, California-based startup that aims to make server-to-server communication easy, secure, and reliable, raised a new round of funding. The round was led by Andreessen Horowitz with participation from Y Combinator Continuity and existing investors Aleph, Y Combinator, Andrew Miklas, Yuri Sagalov (Wayfinder), Kevin Mahaffey (SNR), Christopher Golda (Rogue Capital), Jason Warner, Ian Storm Taylor, Kurt Mackey, Hana Mohan, Holly Dunlap, and Michael Orland. The company intends to use the funds to expand operations and its business reach. Led by Tom Hacohen, Founder & CEO, Svix provides large and small companies with a platform to build a state-of-the-art webhooks solution in minutes. 2nd degree connection2ndFinSMEs28/02/2023

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