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MilliAPI Site Readiness Change Detector
x402
MilliAPI Site Readiness Change Detector is a paid API for AI agents from milliapi.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-14).
Detects changes in a website's AI-readiness score and signals since a prior baseline audit, returning a diff of what changed and a new baseline token.
Price / call$0.003
Success—
StatusUnknown
How this service works
Tiny machine-readable APIs that AI agents can discover, pay for with x402 USDC on Base, and use instantly. Services start at $0.001 per call.
Output
Returns a JSON object with: a boolean 'changed' flag, an array of 'changes' listing which signals flipped (e.g. llms.present went from false to true), the 'verdict' before and after (e.g. needs_work → mostly_ready), a numeric 'scoreDelta' showing how much the AI readiness score shifted, the product name, and a 'nextBaselineToken' to use for the next comparison cycle.
Example use cases
Monitoring own site after SEO changes
“I just added an llms.txt file and updated my robots.txt to allow GPTBot on my site myshop.com — can you check if my AI readiness score improved compared to last week's baseline token 'tok_xyz789'?”
Competitive AI readiness tracking
“Keep an eye on competitor.com for me — use baseline token 'tok_comp001' and tell me if their AI readiness verdict changed and by how much.”
Regression alert after site deployment
“We just deployed a new version of our site at api-docs.acme.io — run a readiness change check against baseline 'tok_deploy_pre' and flag anything that got worse like lost llms.txt support or blocked crawlers.”
Technical details
Endpoint
POSThttps://milliapi.com/api/site-readiness-changeWhen to prefer
Use this endpoint when you already have a baseline token from a prior MilliAPI site readiness audit and want to detect what changed — rather than doing a full fresh audit. It is ideal for scheduled monitoring workflows, post-deployment regression checks, or competitive tracking where you need a lightweight diff rather than a full report. It costs $0.003 USDC per call via x402 on Base.
Side effects
- Invalid or expired baselineToken returns an error — tokens must come from a prior /api/agent-web-audit call
- Malformed or non-HTTPS URL causes a 400 validation error
- Unreachable or timing-out target URL may result in a fetch error
- Payment not included or insufficient USDC via x402 returns a 402 response
- Method must be GET, HEAD, or DELETE — POST/PUT not accepted in the input method field
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"changed": true,
"changes": [
{
"id": "llms.present",
"after": true,
"before": false
}
],
"product": "MilliAPI Site Readiness Change",
"verdict": {
"after": "mostly_ready",
"before": "needs_work"
},
"scoreDelta": 10
}
}Tags
x402
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