Python CAPTCHA API: Getting Started with a Solving Service

Posted on 2026-07-17 | Last Updated: 2026-08-17 | 1 min read | Category: api-learning-center | By DeathByCaptcha Engineering Team

API Learning Center

Python CAPTCHA Solving API: Getting Started with DeathByCaptcha

Python is the most popular language for web scraping, automation, and data collection, and DeathByCaptcha's python captcha api makes integrating CAPTCHA solving straightforward.

This guide covers installation, basic usage, and advanced patterns.

At its core, the API works in three steps:

DeathByCaptcha API request flow

Installation

pip install deathbycaptcha

Quick Start

import deathbycaptcha

client = deathbycaptcha.SocketClient("username", "password")

with open("captcha.png", "rb") as f:
    cid, solution = client.decode(f.read(), timeout=60)

if solution:
    print(f"Solved: {solution}")

Supported Captcha Types

Type	Method
Image captcha	`client.decode(image_data)`
reCAPTCHA v2	`client.decode({"googlekey": key, "pageurl": url}, type=4)`
reCAPTCHA v3	`client.decode({"googlekey": key, "pageurl": url}, type=5)`
Cloudflare Turnstile	`client.decode({"sitekey": key, "pageurl": url}, type=12)`
GeeTest	`client.decode({"gt": gt, "challenge": challenge, "pageurl": url}, type=8)`
DataDome	`client.decode({"pageurl": url, "captcha_url": captcha_url}, type=21)`

HTTP API Alternative

import requests
url = "https://api.deathbycaptcha.com/api/captcha/solve"
response = requests.post(url, json={
    "username": "user", "password": "pass",
    "captcha": {"type": 1, "image": base64_image}
})

Error Handling

try:
    cid, solution = client.decode(image_data, timeout=60)
except deathbycaptcha.AccessDeniedException:
    print("Invalid credentials")
except deathbycaptcha.SolveTimeoutException:
    print("Solve timed out")

Performance Tips

Reuse the client instance across requests.
Use callback URLs for high-throughput workflows.
For bulk operations, send captchas in parallel using concurrent.futures.

Next Steps

Common pitfalls

Using a CAPTCHA solving service for illegitimate purposes instead of legitimate automation and testing.
Hard-coding credentials or API keys in client-side code that users can inspect.
Sending the wrong CAPTCHA type parameter, which returns incorrect or empty responses.
Failing to poll for the solution status and not handling timeouts gracefully.
Scaling automation without monitoring error rates, response times, and CAPTCHA type coverage.

DBC

Written by DeathByCaptcha Engineering Team

DeathByCaptcha engineers build and operate the CAPTCHA solving technology behind this site. Articles are written by our technical team and checked for accuracy before publishing.

Reviewed by DeathByCaptcha Editorial Team