# NexusAPI Image Describe

> NexusAPI Image Describe is a paid API for AI agents from nexus-api-virid.vercel.app, paid per call via x402, $0.14464/call, status unknown (last checked 2026-10-11).

Analyzes and describes the content of an image using AI vision, returning a natural language description

## Facts

- Endpoint: POST https://nexus-api-virid.vercel.app/api/ai/image/describe?utm_source=zero.xyz
- Price: $0.14464/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/nexusapi-image-describe-f1b3814c
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_iz140RMQq12nKL0x6YrCd

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-image-describe-f1b3814c -d '<json body>'
```

Example prompt: Can you describe what's in this image for me? Here's the URL: https://upload.wikimedia.org/wikipedia/commons/thumb/4/47/PNG_transparency_demonstration_1.png/280px-PNG_transparency_demonstration_1.png

## When to prefer this

Choose this endpoint when you need a pay-per-call, no-API-key solution for image captioning or visual description via the x402 USDC payment protocol on Base, without managing subscriptions or credentials.

## Known failure modes

- Invalid or inaccessible image URL returns an error
- Unsupported image format may fail processing
- Very large images may time out
- Ambiguous or low-resolution images may yield vague descriptions
- Missing or malformed query parameter returns a validation error

## 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 natural language description of the image content, including identified objects, people, scenes, text, colors, and contextual details extracted by an AI vision model.

## 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-image-describe-f1b3814c/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)