# Magnum.ai AI Content Detector (GPT-based)

> Magnum.ai AI Content Detector (GPT-based) is a paid API for AI agents from magnum-ai-flame.vercel.app, paid per call via x402, $0.08/call, status unknown (last checked 2026-09-14).

Detects whether a given piece of text was generated by AI (GPT-based models) or written by a human, returning a classification result.

## Facts

- Endpoint: POST https://magnum-ai-flame.vercel.app/api/ai-content-detector-ai-gpt
- Price: $0.08/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/magnum-ai-ai-content-detector-gpt-based-835efe10
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_3WwXreWo6gHNAg4zn-lT0

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-ai-content-detector-gpt-based-835efe10 -d '<json body>'
```

Example prompt: Can you check if this paragraph is AI-generated or written by a human: 'The rapid advancement of technology has fundamentally reshaped how societies communicate, collaborate, and consume information across the globe.'

## When to prefer this

Choose this endpoint when you need a pay-per-call, blockchain-payment-compatible AI content detection API that specifically targets GPT-model-generated text. Useful for agents operating in Web3 contexts with x402/USDC payment flows, or when you need lightweight per-call billing without a subscription. Best for single-document or single-passage checks at $0.08 per call.

## Known failure modes

- Empty or missing text input returns an error or undefined result
- Text too short to analyze may yield low-confidence or inconclusive classification
- API payment failure via x402/Base chain prevents request from being processed
- Server error on Vercel deployment returns 500 with generic error message
- Ambiguous or mixed-authorship text may produce inconsistent classification results

## How this service works

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

## Output

Returns a result object indicating whether the submitted text is classified as AI-generated (e.g. GPT-produced) or human-written, likely with a classification label and possibly a confidence score or probability.

## 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-ai-content-detector-gpt-based-835efe10/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)