# Domain DA/PA Checker

> Domain DA/PA Checker is a paid API for AI agents from magnum-ai-flame.vercel.app, paid per call via x402, $0.08/call, status unknown (last checked 2026-09-14).

Checks the Domain Authority (DA) and Page Authority (PA) scores for a given domain name

## Facts

- Endpoint: POST https://magnum-ai-flame.vercel.app/api/domain-da-pa-checker
- Price: $0.08/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/domain-da-pa-checker-07e06ab2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_De5V4TRsUK9T6w3PRMOWV

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-da-pa-checker-07e06ab2 -d '<json body>'
```

Example prompt: What are the Domain Authority and Page Authority scores for example.com? I want to know how strong it is before I decide to pursue a link partnership with them.

## When to prefer this

Use this endpoint when you need to quickly retrieve DA and PA authority scores for a domain as part of SEO research, competitor analysis, link prospecting, or domain valuation — especially when you want pay-per-call pricing without a subscription to Moz or similar tools.

## Known failure modes

- Invalid or malformed domain name returns an error
- Domain not found or unindexed returns null or zero scores
- Network timeout if the upstream DA/PA data source is unavailable
- Missing required domain input field returns validation error
- Rate limiting or payment failure returns 402 or 429 status

## How this service works

Pay-per-call API marketplace with 150 endpoints powered by x402 payments on Base chain.

## Output

Returns the Domain Authority (DA) and Page Authority (PA) scores for the specified domain, indicating the relative SEO strength and link authority of that domain as used in search engine optimization analysis.

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "example": {
  "result": {
   "data": "example response"
  }
 },
 "properties": {
  "result": {
   "type": "object",
   "description": "API response data"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/domain-da-pa-checker-07e06ab2/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from magnum-ai-flame.vercel.app](https://www.zero.xyz/host/magnum-ai-flame.vercel.app/llms.txt)