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sindri.app
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sindri.app

11 technologies
VerifiedGrowingVisit2.9K/mo$1M811 Tech6 Leads
Deep Dive

Sindri: The Infrastructure for Zero Knowledge

An 8-person team building the API layer for scalable, reliable cryptography.

The crypto world is obsessed with building new financial primitives, but the plumbing required to power them remains fragmented and unreliable. Enter Sindri: a fintech startup treating cryptography not as a feature, but as a complex infrastructure problem that demands a dedicated API layer.

$0.8M
Annual Revenue
8
Employees
55%
Direct Traffic
2,918
Monthly Visits

"Sindri isn't selling a product; they are selling developer time back from the brink of cryptographic complexity."

The Infrastructure Gap

While the broader crypto market fluctuates, the underlying demand for Zero Knowledge (ZK) proofs is accelerating. Developers building on Circom and similar frameworks often hit a wall: local proof generation is slow, and managing scalable infrastructure is a nightmare. Sindri captures this specific pain point. Their traffic data reveals a highly technical user base, with keywords like 'Circom' and 'Axiom' driving discovery. This isn't mass-market retail; it's a B2B play for the engineers actually building the next generation of Web3 applications.

The Lean Machine

Sindri operates with a density of talent that most Series A companies envy. With just 8 employees and $0.8M in revenue, they are generating approximately $100k per head. This lean operation suggests a highly technical founding team—Stasia Carson and Karl Preisner—focused on product-market fit rather than vanity metrics. Their reliance on direct traffic (55%) indicates a product-led growth strategy where developers return to the platform consistently, a strong signal of utility in a market plagued by one-time exploratory usage.

The company's positioning as 'Cryptography Infrastructure Automation' is deliberate. They are abstracting away the hardware requirements and orchestration layers needed to generate proofs at scale. By offering an API, they allow developers to treat computation as a utility, much like AWS did for servers. The stack—Vercel for hosting, Segment for data, and HubSpot for CRM—shows a modern, cloud-native approach to a deep-tech problem.

  • Targeting the 'Circom' ecosystem specifically, capitalizing on a dominant framework.
  • High direct traffic share suggests strong developer retention and bookmark usage.
  • Operating with extreme capital efficiency ($0.8M rev on 8 headcount).
  • Positioning themselves as the 'Vercel for Zero Knowledge' proofs.
They do not target the general consumer crypto market.
They focus exclusively on scalable, reliable cryptographic workloads.
They do not offer low-code/no-code tools for non-developers.
They provide a robust API specifically for developers and engineers.
They do not rely heavily on organic search (only 25% of traffic).
They leverage direct relationships and technical community engagement.

The Verdict: A High-Conviction Bet

Sindri is building the rails for the ZK revolution, one API call at a time.

What tech stack does Sindri use?

22 detected
Security1
Cloud & Hosting1
Marketing Automation1
Forms1
Web Standards1
Tracking & Analytics11
G
Google Tag Manager
S
Segment
H
HubSpot
S
Segment
G
Google Tag Manager
G
Google APIs
G
Google Static
H
HubSpot
G
Google Analytics
A
Analytics Service
P
PostHog

How much traffic does Sindri get?

Traffic & Engagement

2.9K
Monthly Visits
1.8
Pages/Visit
0:09
Avg. Duration
43%
Bounce Rate
Monthly Traffic Trend+41%
2.1K
Oct 2025
Oct
1.1K
Nov 2025
Nov
2.9K
Dec 2025
Dec

Traffic Sources

Search
25%
Direct
55%
Social
13%
Referrals
5%
Email
0%
Paid
1%

Where is Sindri's audience located?

🌍81.5%
🌍18.5%

What keywords does Sindri rank for?

5 keywords
1smidri api90 vol
2sindri4.2K vol$0.15
3circom910 vol
4axiom the forge script430 vol
5syntri ai240 vol

How is Sindri's SEO?

Open Graph Image

OG Image preview
og:image

https://imagedelivery.net/AC_i6OPhIGmrBY3yw6AYfg/687c224c-8bdb-4a47-e579-f10c8c4b3600/public

Meta Tags

title47 chars

Sindri | Cryptography Infrastructure Automation

description108 chars

The API that connects developers to scalable, reliable infrastructure optimized for cryptographic workloads.

og:description

The API that connects developers to scalable, reliable cryptography infrastructure in the cloud. Deploy and maintain ZK and TEE infrastructure effortlessly.

languageEN

H1 Tags

h1Zero Knowledge

Who works at Sindri?

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What do customers think of Sindri?

No Trustpilot reviews available for this company.

Frequently Asked Questions about Sindri

What is Sindri's Revenue?
Sindri generates approximately $1M in annual revenue. With 8 employees, that's $97,500 per employee.
What does Sindri do?
The API that connects developers to scalable, reliable infrastructure optimized for cryptographic workloads.
How fast is Sindri growing?
Sindri employee count has changed by -11% year over year.
What technologies does Sindri use?
Sindri uses 11 technologies across their website including Security, Cloud & Hosting, Marketing Automation. Key technologies include HSTS, Vercel, HubSpot.
Who are Sindri's competitors?
Sindri's main competitors include Emailage, SupplyPike, Payveris, SRS Acquiom, Wunder Capital. These companies operate in similar markets and compete for the same customer base.

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About sindri.app

The API that connects developers to scalable, reliable infrastructure optimized for cryptographic workloads.

Company Overview

sindri.app
Website
#5,603,276
Global Rank
2.9K
Monthly Visitors
11
Technologies
6+
Employees

Contact sindri.app

Email Addresses

Technology Stack

sindri.app uses 11 technologies across their website including HSTS, Vercel, HubSpot, and more.

Security

HSTS

Cloud & Hosting

Vercel

Marketing Automation

HubSpot

Forms

Typeform

Analytics & Marketing

PostHog, Segment, Google Tag Manager, Google Analytics

Web Standards

Twitter Cards

Traffic & Audience

2.9K
Monthly Visits
43%
Bounce Rate
1.8
Pages/Visit
0:09
Avg. Duration

sindri.app receives approximately 2.9K monthly visitors and ranks #5,603,276 globally. The website has a bounce rate of 43% with visitors viewing an average of 1.8 pages per visit. Users spend an average of 0:09 on the site.

The majority of sindri.app's traffic comes from undefined, .

Frequently Asked Questions

What is sindri.app?
The API that connects developers to scalable, reliable infrastructure optimized for cryptographic workloads.
What technologies does sindri.app use?
sindri.app uses 11 technologies including HSTS, Vercel, and 5 more. View the full tech stack analysis above.
How do I contact sindri.app?
You can contact sindri.app via email at [email protected] or through their contact page.
What are sindri.app's social media accounts?
sindri.app is active on github, twitter, linkedin. You can find links to all their social media profiles in the social section above.
Is sindri.app hiring?
Check sindri.app's careers page for current job openings and opportunities. The company has 6+ known employees.
How popular is sindri.app?
sindri.app receives approximately 2.9K monthly visitors and ranks #5,603,276 globally. Traffic is growing by 166.0% month-over-month.

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This page provides publicly available information about sindri.app. Data is collected from various public sources and may not always be up to date. For the most accurate information, please visit sindri.app directly at https://sindri.app.