Solve CAPTCHAs in <5 seconds
AI-native API using HTTP 402 Payment Required protocol
Price
$0.01 USDC
Network
Base L2
Speed
<5s
Live Demo
Quick Start
1. Send CAPTCHA
POST to /solve-captcha with image
2. Receive Invoice
Get 402 response with payment details
3. Pay USDC
Send $0.01 USDC on Base network
4. Get Solution
Retry with X-Payment-Token header
Endpoints
POST
/solve-captcha
POST
/invoice
GET
/check-payment
GET
/openapi.json
Code Examples
Python
import requests
# Step 1: Request to solve
response = requests.post(
'https://freedom-lab-manifold.etsy-ai-tools.workers.dev/solve-captcha',
json={'image_url': 'https://...'}
)
# Step 2: Get invoice (402 response)
invoice = response.json()['invoice']
token = invoice['payment_token']
# Step 3: Pay USDC on Base
# (use your wallet/SDK)
# Step 4: Solve with payment token
result = requests.post(
'https://freedom-lab-manifold.etsy-ai-tools.workers.dev/solve-captcha',
headers={'X-Payment-Token': token},
json={'image_url': 'https://...'}
)
print(result.json()['solution'])JavaScript
// Step 1: Request to solve
const response = await fetch(
'https://freedom-lab-manifold.etsy-ai-tools.workers.dev/solve-captcha',
{
method: 'POST',
headers: {'Content-Type': 'application/json'},
body: JSON.stringify({
image_url: 'https://...'
})
}
);
// Step 2: Get invoice (402 response)
const data = await response.json();
const token = data.invoice.payment_token;
// Step 3: Pay USDC on Base
// (use viem/wagmi)
// Step 4: Solve with payment token
const result = await fetch(
'https://freedom-lab-manifold.etsy-ai-tools.workers.dev/solve-captcha',
{
method: 'POST',
headers: {
'Content-Type': 'application/json',
'X-Payment-Token': token
},
body: JSON.stringify({
image_url: 'https://...'
})
}
);
const solution = await result.json();
console.log(solution.solution);⚡
Fast
Solves CAPTCHAs in under 5 seconds using Anti-Captcha service
🤖
AI-Native
Built for autonomous agents using HTTP 402 protocol
💳
Micro-Payments
Only $0.01 per solve using USDC on Base L2
Technical Details
Payment Protocol
- • HTTP 402 Payment Required
- • USDC on Base (Chain ID: 8453)
- • Contract: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
- • Amount: 10,000 (0.01 USDC with 6 decimals)
CAPTCHA Service
- • Powered by Anti-Captcha
- • Supports image-based CAPTCHAs
- • Base64 or URL input
- • 30 second timeout