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Tempest AI Content Engine — Newsletter Roundup Generator
x402
Tempest AI Content Engine — Newsletter Roundup Generator is a paid API for AI agents from tempest-2zzx.vercel.app, paid per call via x402, $0.3/call, status unknown (last checked 2026-09-14).
Generates a structured newsletter roundup on a given topic, tailored by tone, audience, and desired sections
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 structured newsletter roundup object containing generated content organized by the requested sections, along with a success flag indicating whether the generation completed successfully.
Example use cases
Weekly industry digest for tech newsletter
“Put together a weekly roundup newsletter on the topic of quantum computing, aimed at software engineers, with a professional tone — include sections for latest breakthroughs, industry news, and tools to watch.”
Marketing audience engagement email
“Draft a newsletter roundup about sustainable fashion for eco-conscious millennial consumers, using an inspiring and conversational tone, with sections for brand spotlights, tips, and upcoming sales.”
Internal team knowledge-sharing digest
“Create a newsletter roundup on remote work productivity for our distributed team, keeping the tone casual and upbeat, and include sections for tool recommendations, team wins, and weekend reads.”
Technical details
Endpoint
POSThttps://tempest-2zzx.vercel.app/api/roundupWhen to prefer
Choose this endpoint when you need a fully structured, multi-section newsletter roundup generated from a topic in a single call — especially when tone and audience customization are required. Prefer this over general-purpose LLM calls when you want a newsletter-specific output format and pay-per-call pricing without managing your own AI infrastructure.
Side effects
- Missing required 'topic' field returns a validation error
- Overly vague topic may produce generic or low-quality content
- Requested sections that are ambiguous may be interpreted loosely or omitted
- Payment failure (insufficient USDC) results in a 402 response before content is generated
- Very long section lists may exceed generation limits
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| tone | string | Tone |
| topicrequired | string | Newsletter topic |
| audience | string | Target audience |
| sections | array | Desired sections |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| data | object | |
| success | boolean |
Tags
x402
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