Inference402 Image Describe

x402

Inference402 Image Describe is a paid API for AI agents from inference402.worlddata402.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-19).

Analyzes a public image URL and returns a natural-language description plus detected objects, powered by LLaVA vision model, paid per-call in USDC.

Price / call$0.01

Seller volume →—

Success—

StatusUnknown

How this service works

Pay-per-call AI inference for agents: chat (Llama 3.3 70B / 3.1 8B), structured JSON, summarize, translate (incl. Egyptian Arabic), extract, classify, sentiment, keywords, rewrite, embeddings, moderation, vision and speech-to-text. USDC on Base mainnet over x402. No API key, no account.

Output

Returns a JSON object containing the model identifier (e.g. '@cf/llava-hf/llava-1.5-7b-hf'), an array of detected object labels, and a natural-language description sentence summarizing the image contents.

Example use cases

Automated product image tagging

“Here's a product photo URL: https://mystore.com/items/shirt42.jpg — can you list the objects you see and describe the image so I can use it as alt text and tags in my catalog?”

Accessibility alt-text generation

“I need a descriptive caption for screen readers for this image: https://myblog.com/uploads/header-banner.png — please describe what's shown in detail.”

Scene-specific visual question answering

“Take a look at https://uploads.example.com/crime-scene-sketch.jpg and answer this specific question: are there any weapons or dangerous objects visible in the image?”

Technical details

Endpoint

GEThttps://inference402.worlddata402.workers.dev/v1/image/describe?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need no-account, pay-per-call vision analysis of a public image URL and want structured JSON output including both an object list and a natural-language description. It is ideal for agents that handle sporadic image analysis tasks without committing to a subscription, and when payment via USDC on Base is acceptable. Prefer alternatives if you need private/uploaded image support, batch processing, or higher-resolution vision models.

Side effects

Image URL is not publicly accessible or returns a non-200 response — endpoint cannot fetch the image
Image exceeds 5MB size limit — request rejected
Unsupported image format (non-JPEG/PNG/WebP) — may fail or produce degraded output
Payment not submitted in USDC on Base mainnet — 402 Payment Required returned
Ambiguous or low-resolution image — model may return generic or inaccurate description
Rate limit or worker timeout — transient 5xx error

Input

Schema · Request body

Field	Type	Description
prompt	string	Optional extra instruction or question about the image
image_url	string	Public http(s) URL of a JPEG/PNG/WebP image ≤5MB

Output

Schema · Response

{
  "type": "json",
  "example": {
    "model": "@cf/llava-hf/llava-1.5-7b-hf",
    "objects": [
      "cat",
      "floor"
    ],
    "description": "A ginger cat sitting on a wooden floor looking at the camera."
  }
}

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