# Tempest AI Content Engine — SEO Scorecard

> Tempest AI Content Engine — SEO Scorecard is a paid API for AI agents from tempost.vercel.app, paid per call via x402, $0.2/call, status unknown (last checked 2026-10-11).

Analyzes content against a target keyword and returns an SEO scorecard with actionable quality metrics

## Facts

- Endpoint: POST https://tempost.vercel.app/api/scorecard?utm_source=zero.xyz
- Price: $0.2/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/tempest-ai-content-engine-seo-scorecard-fd7f61b1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_VQWK_l5JIDJwSx69zVNmB

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 tempest-ai-content-engine-seo-scorecard-fd7f61b1 -d '<json body>'
```

Example prompt: Can you run an SEO scorecard on this blog post about home composting and tell me how well it's optimized for the keyword 'backyard composting tips'? Here's the full article text: [paste content here].

## When to prefer this

Choose this endpoint when you need a quick, pay-per-call SEO content audit without committing to a SaaS subscription. It is well-suited for agents that need to programmatically score and rank content drafts, automate pre-publish SEO checks, or compare multiple content variations against a target keyword at scale using USDC micropayments.

## Known failure modes

- Missing required 'content' field returns validation error
- Empty or very short content may produce low-signal or unreliable scores
- Invalid or overly broad target keywords may reduce score accuracy
- Payment failure (insufficient USDC) returns 402 Payment Required
- Rate limits or server errors return 5xx responses

## How this service works

Compose, rewrite, translate, and refine content at scale. 25 AI-powered endpoints. Pay-per-call with USDC on Tempo.

## Output

Returns a JSON object with a success flag and a data object containing SEO scorecard metrics for the submitted content, likely including keyword usage signals, content quality indicators, and optimization recommendations relative to the target keyword.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "content"
 ],
 "properties": {
  "content": {
   "type": "string",
   "description": "Content to analyze"
  },
  "target_keyword": {
   "type": "string",
   "description": "Target keyword"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "data": {
   "type": "object"
  },
  "success": {
   "type": "boolean"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/tempest-ai-content-engine-seo-scorecard-fd7f61b1/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from tempost.vercel.app](https://www.zero.xyz/host/tempost.vercel.app/llms.txt)