CAPTCHA guides.

Code examples and fixes for reCAPTCHA v3, Kasada, and Ticketmaster TMPT. Pick your language, get a first solution, or work out why a request is being rejected.

100 guides across the library

Page 4 of 5

Code examples

Solve CAPTCHA tasks concurrently in Go

Solve tasks with a bounded Go worker pool, submit each solution immediately, and recover interrupted jobs without creating duplicate tasks.

Integration3 min read
Code examples

Handle Go SDK errors and recover interrupted tasks

Inspect Go SDK errors and recover interrupted tasks using the original inputs, request ID, and task ID.

Integration4 min read
Proxy integration

Submit a CAPTCHA token through a Go HTTP proxy

Configure a separate Go HTTP client for token submission, select the successful proxy and handle target headers, forms, cookies and responses.

Integration3 min read
Code examples

Test a Go CAPTCHA integration without spending credit

Run a local Go SDK test that returns pending, then ready, and checks for exactly one task creation.

Integration3 min read
Code examples

Use the synchronous Python SDK from asyncio

Offload synchronous solves to worker threads without blocking asyncio, and handle cancellation without accidentally creating duplicate tasks.

Integration3 min read
Code examples

Handle Python SDK errors without duplicating solves

Catch Python SDK errors and recover existing tasks using task_id or the original requestId.

Integration3 min read
Code examples

Handle CAPTCHA task results safely in TypeScript

Narrow TaskResult by status, poll the same task ID, and distinguish tokens from Kasada headers.

Integration3 min read
Code examples

Cancel local waiting with the Node.js SDK

Pass an AbortSignal to solve, save the request before calling, and recover through the existing task ID or requestId.

Integration3 min read
Proxy integration

The API connection and the CAPTCHA proxy are different

Understand which connection the task proxy controls, keep the target submission on the same exit, and diagnose HTTP_PROXY misrouting.

Integration3 min read
Proxy integration

Size a proxy pool for CAPTCHA solves

A four-flow proxy allocation example, with candidate fallback rules and separate solve and proxy budgets.

Integration3 min read
Proxy integration

Keep application cookies when submitting a solved token

Keep application cookies, the form's CSRF value, and the solver's proxy and browser headers together when submitting a token.

Integration3 min read
Troubleshooting

Read solvethree request logs when an integration fails

Read request outcomes and latency, investigate failed or rejected attempts, and prepare a useful support report.

Troubleshooting3 min read
Choosing a service

Match CAPTCHA usage to your workspace balance

Match the last 28 days of usage to the correct workspace, billed tasks, credit deposits and duplicate task creation.

Service selection3 min read
Troubleshooting

Fix a site profile that has not become active

Resolve inactive site profiles and distinguish profile errors from a target website’s HTTP 403.

Troubleshooting3 min read
reCAPTCHA setup

Configure profiles for more than one reCAPTCHA action

Set up separate capture actions and understand exact matching, ambiguous profile selection, and task request bodies.

Integration3 min read
Code examples

Add solvethree MCP to Claude Desktop

Claude Desktop configuration, task permissions, and solution handoff for solvethree MCP.

Integration4 min read
Code examples

Add solvethree MCP to Cursor

Cursor MCP configuration paths, environment setup, tool checks, and the handoff from a ready task to your application.

Integration4 min read
Code examples

Add solvethree MCP to VS Code

VS Code MCP configuration, secret prompts, available tools, and the steps from creating a task to submitting its solution.

Integration4 min read
Code examples

Add solvethree MCP to Codex

Add the local MCP server to Codex, forward your API key and proxy, and retrieve a solution without losing its browser identity.

Integration3 min read
Code examples

Run the solvethree MCP server in Docker

Build the Docker image, forward existing credentials and proxy settings, and configure your MCP host to launch it.

Integration3 min read
Code examples

Install the solvethree agent skill

Install the official skill in your host’s skills directory and configure API access separately.

Integration3 min read
Code examples

Fix an MCP server that cannot start or solve a task

Check the local launcher, host environment and tool discovery before diagnosing API errors or failed tasks.

Integration5 min read
Code examples

Use a CAPTCHA MCP result in a browser agent

Use MCP task results in a browser, submit the correct token, cookie or headers, and recover timed-out requests without creating duplicate tasks.

Integration4 min read
Choosing a service

Can you use solvethree without supplying a proxy?

The required proxy input, a valid request body, and the integration and cost differences from provider-proxyless services.

Service selection3 min read

Looking for a field or endpoint?

The API reference lists every request field, task state and response shape.

Open API reference