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NexusAPI Instagram Caption Generator
x402
NexusAPI Instagram Caption Generator is a paid API for AI agents from nexus-api-peach-nine.vercel.app, paid per call via x402, $0.093609/call, status unknown (last checked 2026-09-14).
Generates AI-written captions for Instagram posts based on a text query or topic input
Price / call$0.093609
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 Instagram caption tailored to the provided topic or description, likely including suggested hashtags and engaging copy suitable for posting on Instagram.
Example use cases
Example prompt
“Write me an engaging Instagram caption for a sunset beach photo from my vacation in Bali — something poetic and wanderlust-themed with relevant hashtags.”
Technical details
Endpoint
POSThttps://nexus-api-peach-nine.vercel.app/api/ai/caption/instagramWhen to prefer
Use this endpoint when you need AI-generated Instagram-specific captions quickly without managing API keys, paying per call in USDC on Base via the x402 protocol. Prefer this over general text generators when you want copy optimized for Instagram tone and hashtag conventions.
Side effects
- Empty or missing query returns a generic or error response
- Query too vague may produce off-topic captions
- Payment failure (402) if USDC not provided correctly
- Rate limiting or server errors from the Vercel host
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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