# Tempest AI Content Engine — Pulse Endpoint

> Tempest AI Content Engine — Pulse Endpoint is a paid API for AI agents from tumpest.vercel.app, paid per call via x402, $0.15/call, status unknown (last checked 2026-09-15).

Analyzes, processes, or transforms a block of text using one of Tempest's 25 AI-powered content endpoints, returning structured results for content composition, rewriting, translation, or refinement tasks.

## Facts

- Endpoint: POST https://tumpest.vercel.app/api/pulse
- Price: $0.15/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/tempest-ai-content-engine-pulse-endpoint-958ca34a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_FprcX6dxx1mhnhZQn1Sqq

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-pulse-endpoint-958ca34a -d '<json body>'
```

Example prompt: Can you run this draft paragraph through Tempest's AI content engine and refine it for me: 'Our product delivers exceptional value to customers through innovative solutions and dedicated support.'

## When to prefer this

Choose this endpoint when you need AI-powered text transformation, rewriting, composition, or analysis and want to pay per call in USDC without a subscription. Suitable for agents that process content on demand at scale across many different text types.

## Known failure modes

- Missing required 'text' field returns a validation error
- Empty or malformed text input may return a failed success status
- Payment not included or insufficient USDC causes a 402 Payment Required response
- Server-side AI processing failure returns success: false with error details
- Very long text inputs may exceed processing limits or timeout

## How this service works

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

## Output

A JSON object with a 'success' boolean and a 'data' object containing the AI-processed result of the submitted text — such as a rewritten, translated, analyzed, or refined version depending on the endpoint's specific function.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "text"
 ],
 "properties": {
  "text": {
   "type": "string",
   "description": "Text to analyze"
  }
 }
}
```

## 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-pulse-endpoint-958ca34a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from tumpest.vercel.app](https://www.zero.xyz/host/tumpest.vercel.app/llms.txt)