# Tempest AI Content Engine — Marketing Copy Generator

> Tempest AI Content Engine — Marketing Copy Generator is a paid API for AI agents from tempestars.vercel.app, paid per call via x402, $0.3/call, status unknown (last checked 2026-10-10).

Generates AI-powered marketing copy for a product or service, tailored by style, audience, and platform

## Facts

- Endpoint: POST https://tempestars.vercel.app/api/hook?utm_source=zero.xyz
- Price: $0.3/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-10
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/tempest-ai-content-engine-marketing-copy-generator-3132eb17
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_OFNXTSi9Ma0jCzeUZf4vu

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-marketing-copy-generator-3132eb17 -d '<json body>'
```

Example prompt: Write me punchy Instagram ad copy for my product 'NovaBrew smart coffee maker' targeting millennial home baristas — keep the style conversational and energetic.

## When to prefer this

Choose this endpoint when you need fast, pay-per-call AI-generated marketing copy without a monthly subscription — especially useful for agents that need to generate copy across multiple products, styles, or platforms in a single workflow using USDC micropayments.

## Known failure modes

- Missing required 'product' field returns a validation error
- Vague or overly broad product descriptions may yield generic copy
- Unsupported style or platform values may produce unexpected output
- Network or server errors return a non-200 response with no content
- Payment failure via x402 protocol prevents execution

## 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 boolean and a data object containing the AI-generated marketing copy tailored to the specified product, style, audience, and platform.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "product"
 ],
 "properties": {
  "style": {
   "type": "string",
   "description": "Copy style"
  },
  "product": {
   "type": "string",
   "description": "Product or service"
  },
  "audience": {
   "type": "string",
   "description": "Target audience"
  },
  "platform": {
   "type": "string",
   "description": "Platform"
  }
 }
}
```

## 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-marketing-copy-generator-3132eb17/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from tempestars.vercel.app](https://www.zero.xyz/host/tempestars.vercel.app/llms.txt)