User-Agent Parser

The /agent endpoint parses a User-Agent string and returns structured information about the browser, operating system, device, rendering engine, and whether the client is a bot. If no UA is provided, the request's own User-Agent header is used.

gethttps://api.moxon.dev/v6/agent

Use Cases

Detect the browser and OS of your visitors, identify bots and crawlers, serve device-specific content (mobile vs desktop), or log structured client metadata from raw User-Agent strings.

Try itget/v6/agent

curl -X GET \  "https://api.moxon.dev/v6/agent"

Send the request to see the response here.

Parameters

uastringoptional
Raw User-Agent string to parse. Defaults to the request's User-Agent header.

Response Fields

rawstring
The original User-Agent string
browser.namestring
Detected browser name (e.g. Chrome, Firefox, Safari)
browser.versionstring
Full browser version
browser.majorstring
Major version number only
os.namestring
Operating system name (e.g. macOS, Windows 10/11, iOS)
os.versionstring
OS version string
device.typestring
Device category: desktop, mobile, or tablet
device.vendorstring
Device manufacturer (e.g. Apple, Samsung, Google)
engine.namestring
Rendering engine (e.g. Blink, Gecko, WebKit)
engine.versionstring
Engine version
botboolean
true if the UA matches a known bot or crawler pattern

Code Examples

curl -X GET \  "https://api.moxon.dev/v6/agent"

Error Handling

400A User-Agent string is required.The ua parameter is empty and no User-Agent header was sent

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Last updated on September 12, 2026