EverySolve CAPTCHA API

Bounding-box CAPTCHA API

EverySolve's Bounding-box CAPTCHA API returns bounding-box coordinates for your challenge workflow. Send POST /api/v1/captcha with type set to bounding_box and the inputs listed below.

A bounding-box task asks for rectangles around matching objects in one source image. It returns bounding_boxes with rectangle geometry. Use coordinates for click points and recaptcha_grid for tile or object selections.

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Endpoint: POST /api/v1/captcha
Type: bounding_box
Per 1,000 successful solutions: $1.81 per 1,000 successful solutions

Request parameters

Provide body. Optional parameters are comment.

Required parameters

body

Optional parameters

comment

bounding_box.sh

curl -X POST https://api.everyinfra.com/api/v1/captcha \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"type":"bounding_box","body":"<body>"}'

How to recognize Bounding-box CAPTCHA

A bounding-box task asks for rectangles around matching objects in one source image.

What makes Bounding-box CAPTCHA different

It returns bounding_boxes with rectangle geometry. Use coordinates for click points and recaptcha_grid for tile or object selections.

Where the Bounding-box CAPTCHA parameters come from

The body field contains the image; the comment may state which object class to enclose when the prompt is not implicit.

bodyRequired: The challenge payload itself. Its media type follows this page's task: image data for visual tasks and audio data for the audio task.
commentOptional: The visible instruction describing what to click or enclose in the source image.

What the API returns

The Bounding-box CAPTCHA API returns bounding-box coordinates in bounding_boxes. Its solution format is boxes. Use each box's coordinates to identify or select a region in the source image.

Solution shape: boxes
Solution fields: bounding_boxes

How to use the Bounding-box CAPTCHA API

01Read GET /api/v1/captcha/types and select the bounding_box entry.
02Send type: "bounding_box" and the required parameters to POST /api/v1/captcha.
03Read bounding-box coordinates from bounding_boxes.
04Use each box's coordinates to identify or select a region in the source image.

Billing and availability

EverySolve charges only when a solution is delivered successfully. Unsuccessful attempts are refunded automatically. Read available and the price fields from GET /api/v1/captcha/types at request time rather than treating them as static page content.

Bounding-box CAPTCHA integration questions

How can I identify Bounding-box CAPTCHA before choosing a type?

A bounding-box task asks for rectangles around matching objects in one source image. Use bounding_box only after those signals match the target challenge.

Which target-page values belong in a Bounding-box CAPTCHA request?

The body field contains the image; the comment may state which object class to enclose when the prompt is not implicit. Provide body. Optional parameters are comment.

What does Bounding-box CAPTCHA return, and what should not be confused with it?

The Bounding-box CAPTCHA API returns bounding-box coordinates in bounding_boxes. Its solution format is boxes. It returns bounding_boxes with rectangle geometry. Use coordinates for click points and recaptcha_grid for tile or object selections.

Which external source explains the Bounding-box CAPTCHA integration?

hCaptcha's first-party labeling material documents area-selection tasks as a related challenge form. [Open the Bounding-box CAPTCHA reference](https://www.hcaptcha.com/labeling). EverySolve-specific fields and live availability still come from the type catalog.