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libOnion

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Assistant · Vendor site 2026-10-04

libonion is a lightweight C library for embedding HTTP server functionality into applications. It provides default handlers plus custom handler hooks so programs can serve files, APIs, or full web servers without adopting a larger application framework.

Updated 2026-10-04View sources
Official website
Category
Assistant
Free access
libonion is described as an open-source library project hosted by Coralbits without commercial subscription pricing on the project page.
API access
Developers integrate libonion as a C library API for HTTP handlers rather than calling a hosted external service.

Is libOnion right for you?

A good fit for

C developers who need a small embeddable web server layer for appliances, services, or custom applications.

Before you choose

You build and deploy binaries yourself; Coralbits page documents the library rather than offering managed hosting or support plans.

HTTP library for C

libonion helps C developers expose HTTP endpoints through a lightweight handler stack suitable for embedded devices and custom server programs.

What it can do

Features & capabilities

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

CapabilityValueEvidenceChecked
Embeddable serverPage introduction describes adding web server functionality to C programs via libonion handlers.Facts sourced2026-10-04
Handler modelCopy explains default handlers plus custom handlers for auth, routing, and content generation layers.Facts sourced2026-10-04
Use casesMarketing lists embedded web apps, expanded applications, and standalone webservers as supported scenarios.Facts sourced2026-10-04

Understand the total cost

libOnion pricing & plans

Free

Free

libonion is described as an open-source library project hosted by Coralbits without commercial subscription pricing on the project page.

Access
libonion is described as an open-source library project hosted by Coralbits without commercial subscription pricing on the project page.
Explore pricing & history

Alternatives to libOnion

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The practical questions

Frequently asked questions

What is libOnion used for?

libonion is a lightweight C library for embedding HTTP server functionality into applications. It provides default handlers plus custom handler hooks so programs can serve files, APIs, or full web servers without adopting a larger application framework.

Does libOnion have a free plan?

libonion is described as an open-source library project hosted by Coralbits without commercial subscription pricing on the project page.. This record lists ongoing free access; check the plan limits before starting.

How much does libOnion cost?

No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.

Can I use libOnion through an API?

Developers integrate libonion as a C library API for HTTP handlers rather than calling a hosted external service.. API access and subscription access may have different terms; consult the linked sources.

What should I check before choosing it?

You build and deploy binaries yourself; Coralbits page documents the library rather than offering managed hosting or support plans.

Price history

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

How this profile is supported

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