# Synapse Domain Intelligence

> Synapse Domain Intelligence is a paid API for AI agents from anibalb.duckdns.org, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-31).

Retrieves comprehensive domain intelligence including DNS records, WHOIS data, subdomain enumeration, and security header analysis for a given domain

## Facts

- Endpoint: GET https://anibalb.duckdns.org/x402/domain-intel?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-31
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/synapse-domain-intelligence-8adc801b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_iPPSCJQEfkWaN18kRMZ2_

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 synapse-domain-intelligence-8adc801b
```

Example prompt: Can you pull up full domain intelligence on example.com — I need the DNS records, WHOIS registrar info, any subdomains you can find, and how its security headers score?

## When to prefer this

Choose this endpoint when you need a consolidated, single-call domain intelligence report covering DNS, WHOIS, subdomains, and security headers together — rather than calling separate specialized services for each. Ideal for security researchers, developers auditing third-party domains, or automated pipelines that need to quickly assess the legitimacy and security posture of a domain. Best when you want pay-per-call access with no account setup.

## Known failure modes

- Domain does not exist or is unresolvable — returns empty DNS and WHOIS fields
- Rate limit or payment failure — HTTP 402 if USDC payment is not included or insufficient
- Invalid domain format in query parameter — may return error or empty result
- Private/reserved domains may return incomplete WHOIS data
- Newly registered domains may have incomplete propagation data

## How this service works

Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.

## Output

Returns a JSON object containing: DNS records (keyed by record type), WHOIS registrar information, an array of discovered subdomains, and a security headers object with a numeric score indicating how well the domain implements HTTP security headers.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "dns": {
   "records": {}
  },
  "skill": "domain-intel",
  "whois": {
   "registrar": ""
  },
  "subdomains": [],
  "security_headers": {
   "score": 0
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/synapse-domain-intelligence-8adc801b/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from anibalb.duckdns.org](https://www.zero.xyz/host/anibalb.duckdns.org/llms.txt)