# NoCaptchaAI Documentation

> NoCaptchaAI is an AI-powered captcha solving service. It exposes a REST API,
> official SDKs, a Chrome & Firefox browser extension, and integrations for AI
> coding agents. It solves token-based captchas (Cloudflare Turnstile, GeeTest
> v4, MTCaptcha) and image/grid captchas (reCAPTCHA, GeeTest v3, image-to-text,
> BLS, Binance, AWS WAF, TikTok, and more), returning either a token or the
> click/coordinate solution.

Base docs URL: https://docs.nocaptchaai.com
Marketing site: https://nocaptchaai.com
Dashboard & API keys: https://nocaptchaai.com/manage
Status: https://status.nocaptchaai.com

The API supports two solving styles:
- Synchronous — POST the captcha data to `solveCaptcha` and get the solution in the response.
- Asynchronous — `createTask` to submit a job, then poll `getTaskResult` for the result.
Authentication is done by passing your API key in the `apikey` request header.

## Start Here
- [Quickstart](https://docs.nocaptchaai.com/docs/start/quickstart): Solve your first captcha with the NoCaptchaAI API in minutes.
- [Authentication](https://docs.nocaptchaai.com/docs/start/authentication): How to authenticate requests with your API key.
- [Error Codes](https://docs.nocaptchaai.com/docs/start/errorcodes): Full reference of API error codes and how to handle them.

## API Reference
- [API Reference overview](https://docs.nocaptchaai.com/docs/api): Interactive reference — try every endpoint live against production.
- [Create task (POST)](https://docs.nocaptchaai.com/docs/api/solver/createtask/post): Submit an async captcha-solving task.
- [Get task result (GET)](https://docs.nocaptchaai.com/docs/api/solver/gettaskresult/get): Poll for an async task result.
- [Get task result (POST)](https://docs.nocaptchaai.com/docs/api/solver/gettaskresult/post): Poll for a task result via POST.
- [Solve captcha](https://docs.nocaptchaai.com/docs/api/solver/solveCaptcha): Synchronous solve endpoint — solution returned directly.
- [Get response (GET)](https://docs.nocaptchaai.com/docs/api/solver/getresponse/get): Retrieve a previously generated solution.
- [Collect (POST)](https://docs.nocaptchaai.com/docs/api/solver/collect/post): Collect/submit captcha data.
- [Report accuracy (POST)](https://docs.nocaptchaai.com/docs/api/solver/reportaccuracy/post): Report whether a solution was correct.
- [Report (GET)](https://docs.nocaptchaai.com/docs/api/solver/report/get): Report a bad solve.
- [Get balance (GET)](https://docs.nocaptchaai.com/docs/api/balance/balance/get): Check account balance and plan.
- [Balance error codes (GET)](https://docs.nocaptchaai.com/docs/api/balance/errorcode/get): Balance endpoint error codes.
- [Health (GET)](https://docs.nocaptchaai.com/docs/api/system/health/get): Service health check.

## SDKs & Code Samples
- [SDKs overview](https://docs.nocaptchaai.com/docs/sdks): Idiomatic, copy-paste client code for every language.
- [Python](https://docs.nocaptchaai.com/docs/sdks/python): Solve captchas from Python.
- [JavaScript](https://docs.nocaptchaai.com/docs/sdks/javascript): Solve captchas from JavaScript/Node.
- [Go](https://docs.nocaptchaai.com/docs/sdks/go): Solve captchas from Go.

## Agents
- [Agents overview](https://docs.nocaptchaai.com/docs/agents): Give any AI coding agent the ability to solve captchas.
- [Model Context Protocol (MCP)](https://docs.nocaptchaai.com/docs/agents/mcp): Expose NoCaptchaAI as native agent tools via an MCP server.
- [Claude Code](https://docs.nocaptchaai.com/docs/agents/claude-code)
- [Codex](https://docs.nocaptchaai.com/docs/agents/codex)
- [Cursor](https://docs.nocaptchaai.com/docs/agents/cursor)
- [Cline](https://docs.nocaptchaai.com/docs/agents/cline)
- [OpenClaw](https://docs.nocaptchaai.com/docs/agents/openclaw)

## Token Tasks (return a verification token)
- [Cloudflare](https://docs.nocaptchaai.com/docs/token/cloudflare)
- [Turnstile](https://docs.nocaptchaai.com/docs/token/turnstile)
- [GeeTest v4](https://docs.nocaptchaai.com/docs/token/geetestv4)
- [MTCaptcha](https://docs.nocaptchaai.com/docs/token/mtcaptcha)

## Image Tasks (grid / image-to-text solving)
- [reCAPTCHA](https://docs.nocaptchaai.com/docs/imagetasks/recaptcha)
- [GeeTest v3](https://docs.nocaptchaai.com/docs/imagetasks/geetestv3)
- [GeeTest v4](https://docs.nocaptchaai.com/docs/imagetasks/geetestv4)
- [Image to text](https://docs.nocaptchaai.com/docs/imagetasks/imagetotext)
- [BLS](https://docs.nocaptchaai.com/docs/imagetasks/bls)
- [Binance](https://docs.nocaptchaai.com/docs/imagetasks/binance)
- [AWS WAF](https://docs.nocaptchaai.com/docs/imagetasks/awswaf)
- [TikTok](https://docs.nocaptchaai.com/docs/imagetasks/tiktok)
- [MTCaptcha](https://docs.nocaptchaai.com/docs/imagetasks/mtcaptcha)

## Guides
- [Browser Extension](https://docs.nocaptchaai.com/docs/guides/browser-extension): Solve captchas with no code using the Chrome & Firefox extension.
- [Error Handling](https://docs.nocaptchaai.com/docs/guides/error-handling): Retry and error-handling patterns.
- [Review](https://docs.nocaptchaai.com/docs/guides/review): Review and report solving results.

## Other
- [Changelog](https://docs.nocaptchaai.com/docs/changelog): Releases and the NoCaptcha v2 launch (refreshed UI, API v2, agentic solving).

## Machine-readable
- Full docs as one file: https://docs.nocaptchaai.com/llms-full.txt
- Any page as Markdown: append `.md` to its path, e.g. https://docs.nocaptchaai.com/docs/start/quickstart.md
- Sitemap: https://docs.nocaptchaai.com/sitemap.xml