# Magnum.ai ChatGPT Vision API (chatgpt-vision1)

> Magnum.ai ChatGPT Vision API (chatgpt-vision1) is a paid API for AI agents from magnum-ai-flame.vercel.app, paid per call via x402, $0.06/call, status unknown (last checked 2026-09-15).

Analyzes images using GPT-4 Vision via a pay-per-call API with x402 micropayments on Base chain

## Facts

- Endpoint: POST https://magnum-ai-flame.vercel.app/api/chatgpt-vision1
- Price: $0.06/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/magnum-ai-chatgpt-vision-api-chatgpt-vision1-8dd8dbb4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_uaaw5M4PlZZz3ZVd6YBGL

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 magnum-ai-chatgpt-vision-api-chatgpt-vision1-8dd8dbb4 -d '<json body>'
```

Example prompt: Look at this image for me and tell me what's in it — describe the scene, any text you can see, and the main objects present.

## When to prefer this

Choose this endpoint when you need pay-per-call GPT-4 Vision image analysis without a monthly subscription, especially in agent workflows using x402 micropayments on Base chain. Ideal for sporadic or low-volume image analysis tasks where per-call billing at $0.06 USDC is cost-effective.

## Known failure modes

- Invalid or inaccessible image URL returns an error in the result field
- Missing or malformed request body returns a 400-level error
- Payment failure via x402 on Base chain prevents API access
- Rate limiting or quota exceeded on the underlying OpenAI Vision API
- Image format not supported by GPT-4 Vision model

## How this service works

Pay-per-call API marketplace with 150 endpoints powered by x402 payments on Base chain.

## Output

Returns a result object containing the GPT-4 Vision model's analysis of the submitted image, which may include a natural language description, identified objects, extracted text, or answers to questions posed about the image.

## Response schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/magnum-ai-chatgpt-vision-api-chatgpt-vision1-8dd8dbb4/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from magnum-ai-flame.vercel.app](https://www.zero.xyz/host/magnum-ai-flame.vercel.app/llms.txt)
