2s Image Description API

x402

2s Image Description API is a paid API for AI agents from 2s.io, paid per call via x402, $0.018/call, status unknown (last checked 2026-09-14).

Analyzes an image URL and returns a structured description including alt text, OCR text, object detection, dominant colors, and content type classification.

Price / call$0.018

Seller volume →—

Success—

StatusUnknown

How this service works

The (most) everything API: 575+ pay-per-call endpoints for AI agents — ground-truth data, a full AI gateway, and agent infrastructure (storage, queues, watchers). USDC via x402, no signup, no API keys, and upto billing: pay actual usage, not the quote.

Output

Returns a structured object with: a short accessibility alt text (5-15 words), a 2-3 sentence description, verbatim OCR text (empty string if none), a content type classification (photograph/illustration/screenshot/diagram/document/mixed/other), a list of salient objects/subjects, and hex codes for dominant colors. Also includes provider metadata.

Example use cases

Example prompt

“Can you describe this image for me — https://example.com/chart.png — and focus on the chart axes and labels? I need the alt text, any visible text, and the main objects you can see.”

Technical details

Endpoint

POSThttps://2s.io/api/ai/describe-image

When to prefer

Use this endpoint when you need structured, multi-faceted image analysis in a single call — especially when you need OCR text, object detection, accessibility alt text, color palette, and content type classification all at once without managing separate vision APIs or API keys. Ideal for AI agents that need to understand image content on demand, pay per use, with no subscription overhead.

Side effects

Image URL unreachable or returns non-200 — endpoint may return an error or empty result
Image exceeds 1MB size limit — likely rejected or truncated
Non-HTTPS URL provided — schema requires HTTPS
Unsupported image format (not JPEG/PNG/GIF/WebP) — may fail or return degraded results
Image contains no text — text field returns empty string, not an error
Payment not included or insufficient — 402 response requiring x402 USDC payment on Base or Solana

Input

Schema · Request body

Field	Type	Description
imageUrl	string	HTTPS URL of a JPEG, PNG, GIF, or WebP image (≤1MB).
instruction	string	Optional caller-supplied focus hint, e.g. "describe the chart axes".

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