Normal CAPTCHA

Normal CAPTCHA is an image that contains distored but human-readable text. To solve the captcha user have to type the text from the image.

Task type: ImageToTextTask

The method is used to get the text from distorted captcha images. Images should be encoded to Base64 format.

Supported image formats: JPEG, PNG, GIF
Max file size: 100 kB
Max image size: 1000px on any side

ImageToTextTask task type specification

Property	Type	Required	Default	Description
type	String	Yes	ImageToTextTask	Task type
body	String	Yes		Image encoded into Base64 format. Data-URI format (containing `data:content/type` prefix) is also supported
phrase	Boolean	No	false	false - no preference true - the answer should contain at least two words separated by space.
case	Boolean	No	false	false - no preference true - the result is case-sensitive
numeric	Integer	No	0	0 - no preference 1 - answer should contain only numbers 2 - answer should contain only letters 3 - answer should contain only numbers OR only letters 4 - answer MUST contain both numbers AND letters
math	Boolean	No	false	false - no preference true - captcha requires calculation
minLength	Integer	No	0	0 - no preference >=1 - defines minimal answer length
maxLength	Integer	No	0	0 - no preference >=1 - defines maximal answer length
comment	String	No		A comment will be shown to workers to help them to solve the captcha properly
imgInstructions	String	No		An optional image with instruction that will be shown to workers. Image should be encoded into Base64 format.

Request example

Method: createTask
API endpoint: https://api.2captcha.com/createTask

{
    "clientKey": "YOUR_API_KEY",
    "task": {
        "type": "ImageToTextTask",
        "body": "R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==",
        "phrase": false,
        "case": true,
        "numeric": 0,
        "math": false,
        "minLength": 1,
        "maxLength": 5,
        "comment": "enter the text you see on the image"
    },
    "languagePool": "en"
}

Response example

{
    "errorId": 0,
    "status": "ready",
    "solution": {
        "text": "hello world"
    },
    "cost": "0.00025",
    "ip": "1.2.3.4",
    "createTime": 1692808229,
    "endTime": 1692808326,
    "solveCount": 1
}

Code examples

PHP
Python
C#
Java
Go
Ruby

  // https://github.com/2captcha/2captcha-php

  require(__DIR__ . '/../src/autoloader.php');

  $solver = new \TwoCaptcha\TwoCaptcha('YOUR_API_KEY');

  try {
      $result = $solver->normal('path/to/captcha.jpg');
  } catch (\Exception $e) {
      die($e->getMessage());
  }

  die('Captcha solved: ' . $result->code);

# https://github.com/2captcha/2captcha-python

import sys
import os

sys.path.append(os.path.dirname(os.path.dirname(os.path.realpath(__file__))))

from twocaptcha import TwoCaptcha

api_key = os.getenv('APIKEY_2CAPTCHA', 'YOUR_API_KEY')

solver = TwoCaptcha(api_key)

try:
  result = solver.normal('path/to/captcha.jpg')

except Exception as e:
  sys.exit(e)

else:
  sys.exit('solved: ' + str(result))

  // https://github.com/2captcha/2captcha-csharp

  using System;
  using System.Linq;
  using TwoCaptcha.Captcha;

  namespace TwoCaptcha.Examples
  {
      public class NormalExample
      {
          public static void Main()
          {
              var solver = new TwoCaptcha("YOUR_API_KEY");
              Normal captcha = new Normal("path/to/captcha.jpg");
              try
              {
                  solver.Solve(captcha).Wait();
                  Console.WriteLine("Captcha solved: " + captcha.Code);
              }
              catch (AggregateException e)
              {
                  Console.WriteLine("Error occurred: " + e.InnerExceptions.First().Message);
              }
          }
      }
  }

  // https://github.com/2captcha/2captcha-java

  package examples;

  import com.twocaptcha.TwoCaptcha;
  import com.twocaptcha.captcha.Normal;

  public class NormalExample {
      public static void main(String[] args) {
          TwoCaptcha solver = new TwoCaptcha("YOUR_API_KEY");
          Normal captcha = new Normal("path/to/captcha.jpg");
          try {
              solver.solve(captcha);
              System.out.println("Captcha solved: " + captcha.getCode());
          } catch (Exception e) {
              System.out.println("Error occurred: " + e.getMessage());
          }
      }

  }

  // https://github.com/2captcha/2captcha-go

  package main

  import (
      "fmt"
      "log"
      "github.com/2captcha/2captcha-go"
  )

  func main() {
      client := api2captcha.NewClient("API_KEY")
      cap := api2captcha.Normal{
          File: "/path/to/captcha.jpg",
      }
      code, err := client.Solve(cap.ToRequest())
      if err != nil {
          log.Fatal(err);
      }
      fmt.Println("code "+code)
  }