# Tempest AI Content Engine — Signal Post Generator

> Tempest AI Content Engine — Signal Post Generator is a paid API for AI agents from tempost.vercel.app, paid per call via x402, $0.3/call, status unknown (last checked 2026-10-11).

Generates platform-optimized social media posts on a given topic with a specified tone using AI

## Facts

- Endpoint: POST https://tempost.vercel.app/api/signal?utm_source=zero.xyz
- Price: $0.3/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-signal-post-generator-106e14dd
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_tKbzoce827JWHyWCwSunX

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-signal-post-generator-106e14dd -d '<json body>'
```

Example prompt: Write me a professional-tone LinkedIn post about the benefits of remote work using Tempest's signal generator.

## When to prefer this

Choose this endpoint when you need quick, pay-per-call AI-generated social media posts tailored by platform (Twitter, LinkedIn, Instagram) and tone, without committing to a subscription. Ideal for agents automating content pipelines or marketers who need platform-specific copy on demand.

## Known failure modes

- Missing required 'topic' field returns a validation error
- Invalid or unsupported platform value may produce generic output not optimized for any specific network
- Overly vague topics may result in generic or low-quality generated content
- Network or service unavailability returns a non-200 response with no content
- USDC payment failure or insufficient funds prevents the call from completing

## 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 social media post tailored to the specified topic, tone, and platform.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "topic"
 ],
 "properties": {
  "tone": {
   "type": "string",
   "description": "Post tone"
  },
  "topic": {
   "type": "string",
   "description": "Post topic"
  },
  "platform": {
   "type": "string",
   "description": "Platform (twitter, linkedin, instagram)"
  }
 }
}
```

## 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-signal-post-generator-106e14dd/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)