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Captcha Solving API for Developers

Need a reliable captcha solving API? FastCaptcha provides the fastest REST API for image CAPTCHA solving. 0.3s response time, 95% accuracy, simple integration.

Get Your API Key - Free API Documentation

Why Choose Our Captcha Solving API?

Built for developers who need fast, reliable captcha solving

0.3s Response Time

Our captcha solving API returns results in just 0.3 seconds. No waiting for human workers.

95% Accuracy

AI-powered OCR delivers industry-leading 95% accuracy on text-based image CAPTCHAs.

Simple REST API

Clean REST API with JSON responses. Works with any programming language.

Captcha Solving API Code Examples

Integrate our captcha solving API in minutes

Python

import requests

response = requests.post(
    "https://fastcaptcha.org/api/v1/ocr/",
    headers={"X-API-Key": "YOUR_API_KEY"},
    files={"image": open("captcha.png", "rb")}
)

result = response.json()
print(result["text"])  # "ABC123"

Node.js

const FormData = require('form-data');
const fs = require('fs');
const axios = require('axios');

const form = new FormData();
form.append('image', fs.createReadStream('captcha.png'));

const response = await axios.post(
    'https://fastcaptcha.org/api/v1/ocr/',
    form,
    { headers: { 'X-API-Key': 'YOUR_API_KEY' } }
);

console.log(response.data.text);  // "ABC123"

PHP

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 
    "https://fastcaptcha.org/api/v1/ocr/");
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "X-API-Key: YOUR_API_KEY"
]);
curl_setopt($ch, CURLOPT_POSTFIELDS, [
    "image" => new CURLFile("captcha.png")
]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$response = json_decode(curl_exec($ch));
echo $response->text;  // "ABC123"

cURL

curl -X POST \
  https://fastcaptcha.org/api/v1/ocr/ \
  -H "X-API-Key: YOUR_API_KEY" \
  -F "image=@captcha.png"

# Response:
# {"text": "ABC123", "success": true}

Captcha Solving API Features

Everything you need for captcha solving integration

Secure API Keys

Each account gets a unique API key. Regenerate anytime from your dashboard.

Multiple Formats

Supports PNG, JPG, GIF, BMP, and base64 encoded images.

JSON Responses

Clean JSON responses with solved text, confidence scores, and status codes.

High Throughput

Handle thousands of requests per minute with our scalable infrastructure.

99.9% Uptime

Enterprise-grade reliability with 99.9% uptime SLA.

Developer Support

Get help with integration via email or documentation.

API Pricing

Simple, transparent pricing for our captcha solving API:

$1 = 3,000 captcha solves
$0.33 per 1,000 solves
100 free credits to test the API
No monthly fees or subscriptions

View Full Pricing

API Response Format

{
  "success": true,
  "text": "ABC123",
  "confidence": 0.98,
  "processing_time": 0.28,
  "credits_remaining": 2850
}

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🔌 Captcha Solving API for Developers