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LaunchCheck Website Audit API
x402
LaunchCheck Website Audit API is a paid API for AI agents from launchcheck-tn.oe-nonprofit.chatgpt.site, paid per call via x402, $0.25/call, status unknown (last checked 2026-09-18).
Runs 16 automated checks on a public webpage covering SEO, accessibility, and security headers, returning structured JSON evidence for each check.
Price / call$0.25
Success—
StatusUnknown
How this service works
32 website checks and HTML-to-JSON extraction for agents. Automated USDC payments on Base. Audit API: 0.25 USDC; extraction API: 0.01 USDC.
Output
Returns a JSON object with a boolean 'paid' field and a 'report' object containing the audited URL, an overall score (0–100), and an array of up to 16 checks. Each check includes its category (SEO, accessibility, or security), priority level, and evidence data — but no remediation text.
Example use cases
Pre-launch website readiness check
“Before I go live, can you audit https://mybrand.com for SEO, accessibility, and security header issues? I own the site and want a scored report so I know what to fix first.”
Security header compliance scan
“Can you check whether https://dashboard.myproduct.io has the right security headers set up — things like CSP, HSTS, and X-Frame-Options? I have permission to audit it.”
Accessibility audit for a client site
“I need a structured accessibility audit of https://client-portfolio.com — can you run the checks and give me the evidence for any issues found? I'm authorized to audit this page.”
Technical details
Endpoint
GEThttps://launchcheck-tn.oe-nonprofit.chatgpt.site/api/x402/auditWhen to prefer
Choose this endpoint when you need structured, machine-readable JSON evidence across SEO, accessibility, and security headers in a single call for a public webpage. It is ideal for AI agents that need to programmatically assess launch readiness or compliance without parsing HTML themselves. Prefer it over manual checklists or browser-based tools when the consumer is an automated workflow requiring scored, categorized evidence per check. At $0.25 USDC per call via x402 on Base, it suits pay-per-use agent pipelines rather than high-frequency bulk scanning.
Side effects
- Missing or invalid 'url' query parameter returns an error
- 'authorized' parameter not set to 'true' blocks the request
- URL with query strings may be rejected per schema constraints
- Payment failure via x402 prevents audit from executing
- Private or non-public URLs may return inaccessible or incomplete results
- Rate limiting or upstream fetch failures may cause partial or empty check arrays
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"paid": true,
"report": {
"url": "https://launchcheck-tn.oe-nonprofit.chatgpt.site",
"score": 75,
"checks": []
}
}
}Tags
x402
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