s2.dev

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Developer tools · Vendor site 2026-10-04

S2 is a serverless durable streaming API that treats logs like cloud storage, targeting event streaming, AI agents, and realtime apps. Developers create unlimited streams with append and read operations, transparent per-gibibyte storage pricing, and welcome credits for new accounts.

Updated 2026-10-04View sources

Official website

Category: Developer tools
Free access: New accounts receive $10 in welcome credits while usage bills per storage, transfer, and operation meters.
API access: Homepage and pricing document a serverless stream API with playground, dashboard, and GitHub-linked developer docs.

Is s2.dev right for you?

A good fit for

Backend engineers building agent workflows, realtime products, or event pipelines who want S3-style pricing for streams.

Before you choose

There are no fixed monthly seat plans; cost scales with stored data, egress, and API operations.

Streams as a cloud storage primitive

S2 offers a serverless API for durable real-time streams with unlimited stream counts and transparent usage billing, positioning logs as a first-class cloud resource similar to object storage.

What it can do

Features & capabilities

Unknown is different from unavailable. Each fact carries its own evidence.

Capability	Value	Evidence	Checked
Pricing model	Pricing page lists pay-only-for-usage storage, transfer, and operation meters with $10 welcome credits.	Facts sourced	2026-10-04
Latency	Homepage advertises append latencies under 40ms for Express and sub-400ms Standard modes.	Facts sourced	2026-10-04
Open source	Site promotes s2-lite as an open-source self-hostable edition.	Facts sourced	2026-10-04

Understand the total cost

s2.dev pricing & plans

Pricing

Not listed

Official monthly price not confirmed

API: Homepage and pricing document a serverless stream API with playground, dashboard, and GitHub-linked developer docs.

Explore pricing & history

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The practical questions

Frequently asked questions

What is s2.dev used for?

Does s2.dev have a free plan?

New accounts receive $10 in welcome credits while usage bills per storage, transfer, and operation meters.. This record does not confirm an ongoing free plan.

How much does s2.dev cost?

A listed monthly price has not been confirmed. See the plan cards for entitlements, billing commitments and seat minimums.

Can I use s2.dev through an API?

Homepage and pricing document a serverless stream API with playground, dashboard, and GitHub-linked developer docs.. API access and subscription access may have different terms; consult the linked sources.

What should I check before choosing it?

There are no fixed monthly seat plans; cost scales with stored data, egress, and API operations.

Price history

No retained pricing changes yet. A current price alone does not establish a historical trend.

How this profile is supported

Identity and profile

Reviewed vendor source

Read original source ↗

2026-10-04

Facts apply to the named version and check date. Send a sourced correction if something changed.