# NexusAPI AI Hashtag Generator

> NexusAPI AI Hashtag Generator is a paid API for AI agents from nexus-api-virid.vercel.app, paid per call via x402, $0.057224/call, status unknown (last checked 2026-09-14).

Generates relevant hashtags for a given topic or query using AI, optimized for social media reach

## Facts

- Endpoint: POST https://nexus-api-virid.vercel.app/api/ai/hashtag
- Price: $0.057224/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/nexusapi-ai-hashtag-generator-d443ce60
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_qM2hmjuEsA7Dj-6HCITUJ

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 nexusapi-ai-hashtag-generator-d443ce60 -d '<json body>'
```

Example prompt: Can you generate relevant hashtags for a social media post about sustainable fashion and eco-friendly clothing brands?

## When to prefer this

Choose this endpoint when you need AI-generated hashtag suggestions for social media content and want to pay per call in USDC without managing API keys. Best for agents automating content publishing pipelines or helping users optimize social media reach.

## Known failure modes

- Empty or vague query may return generic or low-quality hashtags
- Payment failure (402) if USDC balance is insufficient
- Query too long or malformed may result in a 400 error
- Underlying AI model unavailability may cause 500 errors
- Results may not reflect real-time trending hashtags

## How this service works

Crypto, AI, Social Media, Finance, Weather, Tools &amp; more. Pay per call in USDC on Base. No API keys.

## Output

A list of AI-generated hashtags relevant to the input query or topic, suitable for use on social media platforms like Instagram, X (Twitter), TikTok, and LinkedIn.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "description": "Search query or input parameter"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "description": "API response data"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/nexusapi-ai-hashtag-generator-d443ce60/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from nexus-api-virid.vercel.app](https://www.zero.xyz/host/nexus-api-virid.vercel.app/llms.txt)