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Tempest AI Compose Endpoint
x402
Tempest AI Compose Endpoint is a paid API for AI agents from trempest.vercel.app, paid per call via x402, $0.3/call, status unknown (last checked 2026-09-14).
Generates original written content from a prompt with configurable tone, style, length, and target audience
Price / call$0.3
Success—
StatusUnknown
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 composed text based on the provided prompt, tone, style, length, and audience parameters.
Example use cases
Marketing copy for product launch
“Draft a short, punchy product description for our new noise-cancelling headphones targeting young professionals, using an exciting and modern tone.”
Long-form technical article
“Write a long article about containerization with Docker for a developer audience — keep the style clear and instructional, and the tone matter-of-fact.”
Casual social media caption
“Compose a short Instagram caption for a coffee shop called Morning Bloom, use a warm and friendly tone aimed at local community members.”
Technical details
Endpoint
POSThttps://trempest.vercel.app/api/composeWhen to prefer
Choose this endpoint when you need to generate original written content from scratch with fine-grained control over tone, style, length, and audience — particularly for marketing copy, blog posts, product descriptions, or business writing where pay-per-call pricing is acceptable and USDC payment via x402 is available.
Side effects
- Missing required 'prompt' field returns a validation error
- Invalid or unsupported tone/style values may produce unexpected output or error
- Insufficient USDC balance results in payment failure and no content returned
- Very vague or empty prompts may produce low-quality generic output
- Network timeout on the Vercel deployment may return a 504 with no content
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| tone | string | Tone |
| style | string | Writing style |
| length | string | Desired length: short, medium, long |
| promptrequired | string | The writing prompt |
| audience | string | Target audience |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| data | object | |
| success | boolean |
Tags
x402
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