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NexusAPI AI Text Expand
x402
NexusAPI AI Text Expand is a paid API for AI agents from nexus-api-virid.vercel.app, paid per call via x402, $0.119177/call, status unknown (last checked 2026-09-14).
Expands a short query or text input into a longer, elaborated form using AI generation
Price / call$0.119177
Success—
StatusUnknown
How this service works
Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.
Output
Returns an AI-generated, expanded version of the input query or text, typically a longer and more detailed passage elaborating on the original input.
Example use cases
Fleshing out a product description
“I have a short product blurb — 'ergonomic standing desk, adjustable height, oak finish' — can you expand it into a rich marketing description I can use on my website?”
Elaborating a research query
“Take this rough idea — 'impact of remote work on city housing markets' — and expand it into a thorough, detailed summary I can use as a research brief.”
Generating detailed content from a keyword
“I only have the keyword 'sustainable investing' — can you expand that into a few paragraphs covering what it means, why it matters, and how to get started?”
Technical details
Endpoint
POSThttps://nexus-api-virid.vercel.app/api/ai/expandWhen to prefer
Choose this endpoint when you need to quickly elaborate a short text, keyword, or query into a longer form using AI, without setting up your own LLM infrastructure or API keys. It is particularly useful for content enrichment pipelines, drafting marketing copy from brief inputs, or generating research summaries from keywords, and it accepts micropayments per call in USDC on Base without requiring account setup.
Side effects
- Empty or missing query field returns a validation error
- Extremely long input may be truncated or rejected
- Vague or ambiguous queries may produce generic or off-topic expansions
- Payment failure (402) if USDC balance is insufficient
- Service unavailability returns a 5xx error from the Vercel deployment
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| query | string | Search query or input parameter |
Output
Schema · Response
{
"type": "object",
"description": "API response data"
}Tags
x402
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