x402
utility

Caption one still image for $0.005 USDC. Call when you need one-sentence alt text or a listing description from a bounded PNG, JPEG, or WebP. Returns the caption and SHA-256 receipt. No API key, no subscription, no URL fetch.

post/api/v1/x402/caption-image

Request

  • Base URL: https://api.delx.ai
  • URL: https://api.delx.ai/api/v1/x402/caption-image
  • Auth: none declared

Request body

image_base64string required

One base64-encoded PNG, JPEG, or WebP up to 256 KiB decoded. URLs and model fields are rejected.

Response

Paid utility result. Downstream tool errors are returned as structured result payloads with HTTP 200 after payment succeeds.

textstring required
sale_price_usdc0.005 required
sha256string

Changes

No recorded changes to this operation across all 1 revision of this API.