Trust API Documentation
Query any domain’s trust score programmatically. Built for AI agents, browser extensions, security tools, and developer integrations.
Base URL
https://ai-signed.com/api/v1
Authentication
Requests without an API key are rate-limited to 10 requests per minute. Authenticated requests get 100 requests per minute.
Pass your API key in the Authorization header:
Authorization: Bearer your-api-key-here
Get your API key from the dashboard after subscribing.
GET /v1/trust/:domain
Returns the trust score and grade for any domain.
Request
curl https://ai-signed.com/api/v1/trust/example.com \ -H "Authorization: Bearer your-api-key"
Response
{
"domain": "example.com",
"overall": 87.5,
"grade": "A",
"badgeLevel": "Gold",
"categories": {
"identity": 90.0,
"technical": 95.0,
"content": 80.0,
"reputation": 85.0,
"aiReadiness": 87.5
},
"totalChecks": 43,
"passedChecks": 38,
"failedChecks": 5,
"lastScanned": "2026-04-12T15:30:00Z",
"verified": true,
"badgeActive": true
}Response Fields
| Field | Type | Description |
|---|---|---|
| domain | string | The queried domain |
| overall | number | Overall trust score (0-100) |
| grade | string | Letter grade: A+, A, B, C, or N/A |
| badgeLevel | string | Platinum, Gold, Silver, Bronze, or None |
| categories | object | Per-category scores (0-100) |
| totalChecks | number | Total checks performed (43) |
| passedChecks | number | Checks that passed |
| failedChecks | number | Checks that failed |
| verified | boolean | Whether domain owner has verified via DNS |
| badgeActive | boolean | Whether the trust badge is active |
Rate Limits
| Tier | Limit | Auth Required |
|---|---|---|
| Public | 10 requests/minute | No |
| Verified ($5.99/mo) | 100 requests/minute | API key |
| Business ($19.99/mo) | 500 requests/minute | API key |
Use Cases
AI Agent Verification
AI chatbots and agents can query trust scores before recommending sites to users. Verified sites get cited; unverified sites get skipped.
Browser Extensions
Build a browser extension that shows any site's trust grade as users browse the web.
Security Dashboards
Integrate trust scores into your security monitoring tools to track the trustworthiness of domains you interact with.
Link Verification
Verify links before sharing or embedding them. Ensure your content only references trustworthy sources.
Ready to integrate?
Sign up, get your API key, and start querying trust scores in minutes.