Arkose Labs FunCaptcha API

Q: What does Arkose Labs FunCaptcha return, and what should not be confused with it?

The Arkose Labs FunCaptcha API returns a token in `token`. Its solution format is `token`. It returns the Arkose session token, commonly consumed through an fc-token field. It is not a reCAPTCHA Enterprise payload.

EverySolve's Arkose Labs FunCaptcha API returns a token for your challenge workflow. Send POST /api/v1/captcha with type set to funcaptcha and the inputs listed below.

Arkose Labs FunCaptcha is commonly exposed through an Arkose script or a data-pkey/public-key value and may present interactive 3D or visual tasks. It returns the Arkose session token, commonly consumed through an fc-token field. It is not a reCAPTCHA Enterprise payload.

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Endpoint: POST /api/v1/captcha
Type: funcaptcha
Per 1,000 successful solutions: $1.67 per 1,000 successful solutions

Availability

Healthy / normal
Available
Limited
Mostly down

Health API

Arkose Labs FunCaptcha
2026-09-17Normal
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Normal

Request parameters

Provide website_url and website_key. Optional parameters are api_subdomain and blob.

Required parameters

website_urlwebsite_key

Optional parameters

api_subdomainblob

funcaptcha.sh

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

How to recognize Arkose Labs FunCaptcha

Arkose Labs FunCaptcha is commonly exposed through an Arkose script or a data-pkey/public-key value and may present interactive 3D or visual tasks.

What makes Arkose Labs FunCaptcha different

It returns the Arkose session token, commonly consumed through an fc-token field. It is not a reCAPTCHA Enterprise payload.

Where the Arkose Labs FunCaptcha parameters come from

Use the page containing the Arkose challenge and copy its public key as website_key; do not substitute a reCAPTCHA data-sitekey.

website_urlRequired: The exact page where this challenge appears, including the relevant path rather than only the site home page.
website_keyRequired: The public site or widget key copied from this exact target integration; it is not a secret key.
api_subdomainOptional: The host that serves Arkose's api.js for this page, such as client-api.arkoselabs.com (the surl value). Pass it whenever the page uses its own subdomain instead of the default.
blobOptional: The single-use data[blob] value the page sends to Arkose. Capture it before the challenge frame loads; once the frame has loaded it is no longer valid.

What the API returns

The Arkose Labs FunCaptcha API returns a token in token. Its solution format is token. Submit the token in the field or verification request expected by the target workflow.

Solution shape: token
Solution fields: token

How to use the Arkose Labs FunCaptcha API

01Read GET /api/v1/captcha/types and select the funcaptcha entry.
02Send type: "funcaptcha" and the required parameters to POST /api/v1/captcha.
03Read a token from token.
04Submit the token in the field or verification request expected by the target workflow.

Billing and availability

EverySolve charges only when a solution is delivered successfully. An unsuccessful attempt leaves no final charge, and any reserved amount is restored automatically. Read available and the price fields from GET /api/v1/captcha/types at request time rather than treating them as static page content.

Arkose Labs FunCaptcha integration questions

How can I identify Arkose Labs FunCaptcha before choosing a type?

Arkose Labs FunCaptcha is commonly exposed through an Arkose script or a data-pkey/public-key value and may present interactive 3D or visual tasks. Use funcaptcha only after those signals match the target challenge.

Which target-page values belong in a Arkose Labs FunCaptcha request?

Use the page containing the Arkose challenge and copy its public key as website_key; do not substitute a reCAPTCHA data-sitekey. Provide website_url and website_key. Optional parameters are api_subdomain and blob.

What does Arkose Labs FunCaptcha return, and what should not be confused with it?

The Arkose Labs FunCaptcha API returns a token in token. Its solution format is token. It returns the Arkose session token, commonly consumed through an fc-token field. It is not a reCAPTCHA Enterprise payload.

Which external source explains the Arkose Labs FunCaptcha integration?

Arkose Labs' first-party site describes the challenge platform; the exact EverySolve fields remain catalog-defined. [Open the Arkose Labs FunCaptcha reference](https://www.arkoselabs.com/). EverySolve-specific fields and live availability still come from the type catalog.