hCaptcha · live · 99.4% solve rate

Solve hCaptcha
at the speed of code.

Drop-in REST API. Median solve under 5 seconds. Billed flat at $4 per 1,000. No subscriptions, no BS.

No subscription No minimum Failed = free
99.4%
solve rate
4.8s
median latency
$4
per 1,000 solves
0
subscription fees
Built for the stack you already run
puppeteerplaywrightseleniumgo-rodhttpxnode-fetchscrapyaxiosrequestsundicipuppeteerplaywrightseleniumgo-rodhttpxnode-fetchscrapyaxiosrequestsundici
Engineered for throughput

Boring on the outside. Relentless on the inside.

01

Blazing Fast

Median solve time under 5 seconds. Most requests return in 3-4s. Built for pipelines that can't afford to wait.

02

Ultra High Quality

99.4% success rate across all hCaptcha challenge types. Our AI models are trained on millions of challenges daily.

03

Burst-Friendly

No per-account concurrency cap. Spin up thousands of solves in parallel — only your balance matters.

04

Pay Only on Success

Failed solves cost zero. We eat the loss; you don't pay for noise in your pipeline.

05

Drop-in Compatible

Familiar request shape. Migrating from 2Captcha or AntiCaptcha takes one find-and-replace.

06

24/7 Uptime

Distributed solver infrastructure with auto-failover. We maintain 99.9% API uptime SLA.

How it works

Three steps. Zero friction.

01

Sign up

Create an account in 30 seconds. No credit card, no phone verification.

02

Top up

Add balance from $1 using crypto. Payments confirm in minutes.

03

Solve

Send a POST request with your API key. Get back a valid token. Done.

Why Thyroxn

Built different. Proven at scale.

No rate limits

Send as many requests as your balance allows. We never throttle or queue your solves.

Transparent billing

Every solve is logged in your dashboard with exact cost. No hidden fees, no surprises.

Instant API key

Sign up and you get a key immediately. No approval process, no waiting periods.

Developer-first docs

Clear examples in cURL, Python, Node.js, and Go. Copy-paste and ship.

Feedback

Trusted by real builders.

"Switched from 2Captcha — Thyroxn is 3x faster and cheaper. Solves come back in under 5s consistently."

A
Alex K.
Backend Engineer

"The solve quality is insane. 99%+ success rate on enterprise hCaptcha. Never going back to manual solving."

M
Marcus D.
Automation Dev

"Dead simple API. Had it integrated in 10 minutes. The pay-per-solve model means I only spend when I need to."

S
Sarah L.
Data Researcher

"Running 500+ concurrent solves without a single rate limit. The burst capacity is unmatched at this price."

C
Chen W.
Full-Stack Dev

"99.9% uptime in 3 months. Set it and forget it. Our scraping pipeline hasn't missed a beat."

J
Jake R.
DevOps Lead

"Ultra fast, ultra reliable. The token quality is premium — never had a rejected solve in production."

P
Pavel M.
Security Researcher
FAQ

Got questions? We've got answers.

How fast are solves?

Median solve time is 4.8 seconds. Most requests return between 3-6 seconds depending on challenge complexity.

What's the success rate?

99.4% across all hCaptcha challenge types. Failed solves are never charged — you only pay for valid tokens.

What currencies do you accept?

BTC, ETH, USDT (TRC-20/ERC-20), LTC, and 100+ other cryptocurrencies. Payments confirm automatically.

Is there a concurrency limit?

No. You can run unlimited parallel solves. We auto-scale our infrastructure to match your volume.

How do I migrate from 2Captcha?

Our API uses a similar request shape. Change the endpoint URL, swap your API key, and you're live in 5 minutes.

Do credits expire?

Never. Your balance stays until you use it. No monthly fees, no expiry, no hidden charges.

What if a solve fails?

You're not charged. We only bill for successful tokens that pass validation on the target site.

Can I get a refund?

Crypto payments are non-refundable once processed. Contact support on Discord for exceptional cases.

Pricing

One number. Four dollars.

No tiers. No subscriptions. No surprise invoices.

hCaptcha
$4/ 1,000 solves
  • Unlimited concurrency
  • Only pay for successful solves
  • REST API + webhook callbacks
  • Rotate your single API key anytime
  • Top up from $1
Create account

No card required to sign up.

Ready to start solving?

Create an account in 30 seconds. Your first API key is one click away.