# BlackBobs.ai Domain DA/PA Check

> BlackBobs.ai Domain DA/PA Check is a paid API for AI agents from blackbobs-ai.vercel.app, paid per call via x402, $0.146958/call, status unknown (last checked 2026-09-16).

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

## Facts

- Endpoint: POST https://blackbobs-ai.vercel.app/api/domain-da-pa-check
- Price: $0.146958/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/blackbobs-ai-domain-da-pa-check-4aed2a51
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_xdjHC-zD4Md-PKXYUa3hN

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 blackbobs-ai-domain-da-pa-check-4aed2a51 -d '<json body>'
```

Example prompt: Can you check the Domain Authority and Page Authority scores for example.com so I know how strong it is from an SEO standpoint?

## When to prefer this

Use this endpoint when you need quick, pay-per-call DA/PA lookups without committing to a monthly subscription to Moz or similar SEO platforms. Ideal for agents performing one-off domain vetting, competitor analysis, or SEO audits where bulk access isn't required.

## Known failure modes

- Invalid or malformed domain name returns an error
- Domain not found or not indexed returns null or zero scores
- Rate limiting or quota exceeded due to upstream provider
- Network timeout from the underlying DA/PA data source
- Missing required domain parameter returns validation error

## How this service works

194 production-ready API endpoints. AI, Search, Social, Finance, Crypto. Pay-per-call with x402 on Base chain.

## Output

Returns the Domain Authority (DA) and Page Authority (PA) scores for the queried domain, providing numeric SEO strength indicators typically sourced from Moz or a similar authority metrics provider.

## Request schema (JSON Schema)

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

## 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/blackbobs-ai-domain-da-pa-check-4aed2a51/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from blackbobs-ai.vercel.app](https://www.zero.xyz/host/blackbobs-ai.vercel.app/llms.txt)