Yes, We offer a 1-days trial so that you can have first-hand experience with our service. Request from here.

Yes, our servers are 99.9% uptime.

You can use the PayPal subscription method to start your order. However, you can pay and add funds with Paypal, PayPro Global (Visa, Master, ...), or Bitcoin, then use your balance to make your order.

Yes contact us via ticket with your suggested payment option, we support a wide base of payment methods.

Yes, Our support team is ready to help you in the integration.
We also prepared some integration help articles to help you out in this way.
We developed 6captcha emulator to be easy to connect with our services if you cannot find 6captcha option in your software.
Check these links for more info:
API Documentation

6captcha threads are the number of simultaneous API calls to solve a captcha using our service at the same time. The more captcha threads you have, the greater number of Captcha you can solve at the same time.

No, it is unlimited.
You can send as many captchas as you want, as long as you do not exceed your plan threads (the amount of captchas you can solve on-time)

The request will be refused. and you will get error message: account has zero or negative balance
For more details check

If you already subscribed to a plan and decided to increase your threads. You will just need to subscribe to another plan.
You will get the total threads of 2 subscribed plans. For more info check

sure.
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