Captcha types
Read text, digits and arithmetic in about a second, or get ready-to-submit tokens for the widgets your forms use. Every type shares the same key, the same endpoints and the same pay-per-solve billing. reCAPTCHA v3 and hCaptcha are coming soon.
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What each task takes, what it returns, how fast it typically is and what it costs per 1,000 solved tasks. Coming-soon types show their planned price.
| Task type | You send | You get | Typical speed | Success | Price / 1,000 |
|---|
Speeds are typical times to a result. Prices are charged only for solved tasks.Full pricing
Two kinds of task
If the page shows you something to read or hear, it is recognition. If it shows a widget that sets a hidden field, it is a token.
You send the challenge itself: question text, an image or an audio clip. You get the answer as text, usually in the same call.
solution.textYou send the page URL and the widget's site key. You get a token that the page would normally create, ready to submit with the form.
solution, with the field name when knownHow every type works
The same three calls for every live type. Switch types by changing one field.
POST /createTask with your key, the task type and its fields. You get a taskId, and for recognition tasks often the answer too.
GET /getTaskResult/{taskId} until the status is ready. The price is charged only at that point.
Submit the text or token with your form. If an answer turns out wrong, POST /reportBad returns that task's price.
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One key covers every live type, and new types as they launch. Top up from a few dollars and pay only for solved tasks.