s2.dev

s2.dev is a serverless API system providing unlimited, durable, real-time data streams for developers.

Data and analytics Developer tools and cloudY Combinator

Latest funding

$3.85M Seed · February 25, 2026

Led by Accel · Source: fundraisingfox.com

Total raised: $4.35M* across 2 sourced rounds

All 3 rounds ↓

Website: s2.dev.

X: @s2_streamstore · 582 followers.

GitHub: s2-streamstore.

LinkedIn: streamstore.

Categories: Data and analytics Developer tools and cloud.

Sectors: B2B, Infrastructure, Developer Tools, Open Source, API, Databases.

Stage: Series A.

Based in: San Francisco, United States.

Total raised: $4.35M* in 2 sourced rounds.

Last round: Feb 25, 2026 · 260 days ago.

Team: 5 people on the team page.

On Recent Funding since: Sep 28, 2026.

Signals

X account@s2_streamstore · created Aug 30, 2025 (14 months old) · 582 followers

Website registeredSep 25, 2023 (3 years old)

TIMELINE · MONEY RAISED

s2.dev | 120 days from website to first raise on record

@s2_streamstore·Raised $3.9M in 1 sourced round·1 signal before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

February 25, 2026
Seed · $3.85M
AAccel (lead), SSpot VC, UUncorrelated Ventures
Source: fundraisingfox.com
August 30, 2025
X account created
January 23, 2024
Series A · amount undisclosed
Source: fundraisingfox.com
September 25, 2023
Website created
Date unknown
Round · $500K*
YY Combinator
Source: ycombinator.com

Founders and team

DP
Dwarak Parthiban Founder
SB
Shikhar Bhushan Founder
SB
Stephen Balogh Founder

Investors

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Accel portfolio →

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/s2-dev (get a free API key).