# Domain Authority Checker MCP

> Domain Authority Checker MCP is a paid API for AI agents from api.m2mcent.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-15).

Checks and returns the domain authority score for a given domain name

## Facts

- Endpoint: POST https://api.m2mcent.com/domain-authority-checker-mcp/api/process?utm_source=zero.xyz
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/domain-authority-checker-mcp-2f6abad2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_a-OIv13gATuUbWiyMj2vt

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 domain-authority-checker-mcp-2f6abad2 -d '<json body>'
```

Example prompt: Can you check the domain authority score for nytimes.com so I can see how authoritative it is for backlink research?

## When to prefer this

Use this endpoint when you need a quick, pay-per-call domain authority lookup without maintaining a subscription to a full SEO platform. Ideal for agents performing one-off domain vetting, backlink analysis, or competitor research where a single DA score is needed on demand.

## Known failure modes

- Invalid or malformed domain name returns an error or null score
- Unknown or very new domains may return a zero or very low authority score
- Network timeout if the domain lookup takes too long
- Input field 'data' missing or empty causes a validation error

## How this service works

The premier global index of 1,069 monetized MCP nodes across 205 specialized subdomains. Gasless USDC runtime settlements via x402 V2 Spec on Base L2. Save 95% token context.

## Output

Returns the domain authority score and related authority metrics for the queried domain, indicating how strong and trustworthy the domain is in terms of SEO and web credibility.

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "success": true
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/domain-authority-checker-mcp-2f6abad2/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.m2mcent.com](https://www.zero.xyz/host/api.m2mcent.com/llms.txt)