# Answer Checkup > Answer Checkup shows how a business appears in AI-generated answers for real buyer questions, plus a prioritized fix list. Answers are measured via each engine's API. Free technical scan, available now. Paid reports are coming soon: x402 (USDC) for agents, and a one-time $15 card payment for humans. Agents: call POST https://answercheckup.com/v1/scan for free. Coming soon: POST https://answercheckup.com/v1/report, paid by answering the HTTP 402 challenge with x402 (scheme "exact", USDC). Pricing is machine-readable at https://answercheckup.com/v1/pricing. ## API - [OpenAPI 3.1 spec](https://answercheckup.com/openapi.json): scan, report, pricing endpoints - [Pricing (JSON)](https://answercheckup.com/v1/pricing): $0 scan (available now); $1 for 5 prompts, $2 for 10 prompts and $15 human report (coming soon) - [MCP server](https://answercheckup.com/mcp): streamable HTTP, tools scan_site (free) and get_report (paid, coming soon) ## Products - Free scan: robots.txt rules for GPTBot, OAI-SearchBot, ChatGPT-User, PerplexityBot, ClaudeBot, Google-Extended and CCBot; llms.txt; schema.org JSON-LD; title and meta description; content present in raw HTML without JavaScript; sitemap. Returns a 0 to 100 score and fixes. - Agent report (coming soon; $1 for 5 prompts, $2 for 10, over x402): 5 or 10 buyer prompts, each asked once on each enabled engine (currently: OpenAI API (gpt-5-mini + web search); Perplexity API). Returns mention rate, citation rate, share of mentions vs up to 3 competitors, and cited URLs as JSON. - Human report ($15, one time, coming soon): 25 prompts, each asked 3 times per engine, appearance rate shown as x of 3. ## Policies - When paid reports open, payment is settled only after the report is generated. If generation fails, no payment is settled. - Reports stay at a private, unguessable link for 30 days, then expire. Raw engine answers are cached for 24 hours. - No ranking guarantees. API answers approximate the consumer apps but are not identical to them. - Answer Checkup is independent and not affiliated with OpenAI, Perplexity, Google or Microsoft. ## Pages - [Answer Checkup pricing](https://answercheckup.com/pricing): Free AI readiness scan, or the full report for $15, one time (coming soon). 25 buyer questions, 3 runs each on the OpenAI API with web search and the Perplexity API. - [Answer Checkup for AI agents: API, MCP server and x402 payments](https://answercheckup.com/agents): Answer Checkup has an API and an MCP server. Agents pay per report over x402 in USDC: $1 for 5 questions, $2 for 10 (coming soon). - [Answer Checkup blog](https://answercheckup.com/blog): Guides to AI SEO, generative engine optimization (GEO), and checking whether ChatGPT and Perplexity recommend your business. - [AI SEO: how to get your business into AI answers](https://answercheckup.com/blog/ai-seo): What AI SEO is, how answer engines choose sources, and steps a small business can take, with our own site's 0/100 score as a worked example. - [Generative engine optimization (GEO), explained](https://answercheckup.com/blog/geo): Generative engine optimization (GEO) explained: where the term came from, what the research found, what Google says, and a GEO checklist. - [Does ChatGPT recommend my business? How to check](https://answercheckup.com/blog/does-chatgpt-recommend-my-business): How to check if ChatGPT and Perplexity mention or cite your business: a step-by-step manual test, what our own test found, and what to fix. - [llms.txt explained: what it is and how to write one](https://answercheckup.com/blog/llms-txt): What llms.txt is, what it does and doesn't do for AI answers, and how to write one for a small business site in about 15 minutes. - [robots.txt for AI crawlers: what to allow and block](https://answercheckup.com/blog/robots-txt-for-ai-crawlers): Which AI crawlers read your site, which are for search and which for training, and copy-paste robots.txt rules for each choice. - [Can AI crawlers see my site? Six checks to run](https://answercheckup.com/blog/can-ai-crawlers-see-my-site): How to check if GPTBot, OAI-SearchBot and other AI crawlers can read your website: six checks, curl commands for each, and how to fix what fails. - [Do AI crawlers render JavaScript? How to check](https://answercheckup.com/blog/javascript-ai-crawlers): Why client-side rendered pages can look empty to AI crawlers, how to test yours with curl and view-source, and the fixes: SSR, static generation, prerendering. - [About Answer Checkup](https://answercheckup.com/about): Answer Checkup checks whether AI answer engines can find and mention a business. Who we are, how the free scan works, and what we do not promise. - [Contact Answer Checkup](https://answercheckup.com/contact): How to reach Answer Checkup: email hello@answercheckup.com for questions, corrections and security reports. We reply by email. - [Full agent docs](https://answercheckup.com/llms-full.txt): every endpoint, the x402 flow (coming soon), MCP tools and the FAQ in one file ## Contact - Answer Checkup, operated by Kirill Stolbushkin. Email: hello@answercheckup.com