Image description

An image → accessible alt text, a caption, tags, and any text found inside it. Accessibility and catalogs in one call.

POST /v1/describe$0.03/image · 3 credits, charged only on success

Send this

{
  "imageUrl": "https://…/product-shot.jpg",
  "purpose": "product"
}

Every response carries usage — the credits burned and your remaining balance. A failed call never burns credits.

Try it live against your own key in the interactive reference; every account gets 500 free credits a month, no card.

Get this back

{
  "altText": "Matte-black standing desk with a bamboo top in a sunlit home office",
  "caption": "The Meridian desk at full height, morning light.",
  "detailed": null,
  "tags": [
    "standing desk",
    "bamboo",
    "home office"
  ],
  "embeddedText": null,
  "usage": {
    "credits": 3,
    "balanceRemaining": 287
  }
}

Four ways in. Same $0.03/image.

curl

curl https://api.kynth.studio/v1/describe \
  -H "Authorization: Bearer ksk_live_…" \
  -H "Content-Type: application/json" \
  -d '{"imageUrl":"https://…/product-shot.jpg","purpose":"product"}'

TypeScript

import { KynthCore } from "@kynth/api";

const kynth = new KynthCore({ apiKey: process.env.KYNTH_API_KEY! });
const result = await kynth.describe({
  "imageUrl": "https://…/product-shot.jpg",
  "purpose": "product"
});

Python

from kynth import Kynth

client = Kynth(api_key=os.environ["KYNTH_API_KEY"])
result = client.describe(
    imageUrl="https://…/product-shot.jpg",
    purpose="product",
)

MCP

// One-time setup in your MCP client (Claude, Cursor, …):
{ "mcpServers": { "kynth-core": {
    "command": "npx", "args": ["@kynth/api-mcp"],
    "env": { "KYNTH_API_KEY": "ksk_live_…" } } } }

// Then the agent just calls the kynth_describe tool.

Image description

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Four ways in. Same $0.03/image.

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