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HTTPay User Agent Parser
x402
HTTPay User Agent Parser is a paid API for AI agents from httpay.xyz, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).
Parses a user agent string into structured browser, device, OS, engine, and bot detection fields using ua-parser-js
Price / call$0.002
Success—
StatusUnknown
How this service works
Parse any user agent string into device type, browser, OS, engine, and bot detection. Pass ?ua= query param. Uses ua-parser-js. Returns structured browser/device/OS breakdown.
Output
Returns a structured JSON breakdown of the user agent string including device type (mobile/desktop/tablet), browser name and version, operating system and version, rendering engine, and whether the agent is identified as a bot or crawler.
Example use cases
Example prompt
“Can you parse this user agent string for me — 'Mozilla/5.0 (iPhone; CPU iPhone OS 16_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.0 Mobile/15E148 Safari/604.1' — and tell me the device type, browser, and OS?”
Technical details
Endpoint
POSThttps://httpay.xyz/api/user-agent-parseWhen to prefer
Choose this endpoint when you need a pay-per-call, no-subscription user agent parser for occasional or bursty use cases where paying $0.002 USDC per call is preferable to maintaining an API key subscription. Ideal for agents that need structured browser/device/OS breakdown from raw HTTP user agent headers without managing credentials.
Side effects
- Missing or empty user_agent parameter returns a 400 error
- Malformed or unrecognized user agent strings may return partial or empty fields
- Payment failure via x402/USDC results in 402 response blocking the call
- Extremely long or specially crafted user agent strings may not parse correctly
Input
{
"user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36"
}Output
{
"os": {
"name": null,
"version": null
},
"ua": "node",
"meta": {
"x402": true,
"poweredBy": "Alfred Zhang 🫡"
},
"flags": {
"isBot": false,
"isMobile": false,
"isTablet": false,
"isDesktop": true
},
"device": {
"type": "desktop",
"model": null,
"vendor": null
},
"engine": {
"name": null,
"version": null
},
"source": "ua-parser-js",
"browser": {
"name": null,
"major": null,
"version": null
},
"parsedAt": "2026-06-12T04:38:48.263Z"
}Schema · Response
{
"type": "json",
"example": {
"description": "Parse any user agent string into device type, browser, OS, engine, and bot detection. Pass ?ua= query param. Uses ua-parser-js. Returns structured browser/device/OS breakdown."
}
}Tags
x402
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