# KiHustle Mobile Usability Checker > KiHustle Mobile Usability Checker is a paid API for AI agents from kihustle.tech, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-15). Analyzes HTML content and returns a mobile usability assessment indicating whether the page is mobile-friendly ## Facts - Endpoint: POST https://kihustle.tech/agents/api/v1/mobile-usability - Price: $0.002/call - Payment: x402 - Status: unknown - Last checked: 2026-09-15 - Activations on Zero: 0 - Tags: x402 - Canonical page: https://www.zero.xyz/c/kihustle-mobile-usability-checker-8136d6e5 - Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_AtONCOnRjZKD0-srU4RxC Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently. ## How to call it through Zero Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`): ```sh zero fetch --capability kihustle-mobile-usability-checker-8136d6e5 -d '' ``` Example prompt: Can you check if this HTML is mobile-friendly and tell me if there are any usability issues? Here's the markup:

Hello world

## When to prefer this Use this endpoint when you need a quick, low-cost automated check of whether a given HTML document or snippet meets mobile usability standards, especially as part of a CI/CD pipeline, content QA workflow, or pre-publication review step. ## Known failure modes - Missing or empty 'html' field in request body returns an error or unexpected result - Malformed HTML may produce inaccurate usability assessments - Very large HTML payloads may time out or be rejected - Non-HTML content passed as the html parameter may produce meaningless results ## How this service works Kostenlose Guides, Solo-Playbooks und Artikel zu KI, Automation und Side Hustles — für Menschen, die mit echten Systemen online Einkommen aufbauen wollen. Transparent finanziert über faire Affiliate-Links. ## Output Returns a JSON object with a 'result' field indicating the processing outcome (e.g. 'processed') and a 'status' field confirming success or failure of the mobile usability analysis. ## Request schema (JSON Schema) ```json { "type": "object", "properties": { "html": { "type": "string" } } } ``` ## Response schema (JSON Schema) ```json { "type": "json", "example": { "result": "processed", "status": "success" } } ``` ## More - Live health (JSON, refreshed every minute): https://www.zero.xyz/c/kihustle-mobile-usability-checker-8136d6e5/health.json - [Zero catalog index](https://www.zero.xyz/llms.txt) - [Other services from kihustle.tech](https://www.zero.xyz/host/kihustle.tech/llms.txt)