# 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. Lite report ($29 one time) and Full report ($49 one time) for people, available now. Agent reports over x402 (USDC), available now.

Agents: call POST https://answercheckup.com/v1/scan for free. Scan details (the checks and fixes for one free scan) cost $2.99, one time, paid by card through Stripe Checkout: POST /v1/checkout with product_tier "scan_unlock". POST https://answercheckup.com/v1/report, paid by answering the HTTP 402 challenge with x402 (scheme "exact", USDC). If your x402 client caps payments, raise the cap to at least 49 USDC to buy the Full report. Pricing is machine-readable at https://answercheckup.com/v1/pricing.

Agent prices over x402 (USDC): Lite report 29 USDC, Full report 49 USDC, scan details 2.99 USDC.

## 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); scan details $2.99 one time for one free scan (available now); agents over x402: scan details 2.99 USDC, Lite report 29 USDC, Full report 49 USDC; Lite report $29 one time and Full report $49 one time (available now). Prices are in US dollars. Sales tax or VAT is added at checkout where it applies.
- [MCP server](https://answercheckup.com/mcp): streamable HTTP, tools scan_site (free) and get_report (paid)

## 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 a grade for free. The checks and fixes for that scan unlock for $2.99, one time, kept 30 days.
- Agent scan details (over x402): 2.99 USDC, POST /v1/scan-details: every check, the score breakdown and the prioritized fixes for one website as JSON.
- Agent reports (over x402): Lite report 29 USDC, Full report 49 USDC. Lite asks 25 questions once on each engine; Full asks them 3 times on each engine. Engines: the OpenAI API with web search and the Perplexity API. The same reports as for people, returned as JSON with a private link.
- Lite report for people ($29 one time, available now): 25 prompts. Every question is asked once on each engine. Share of voice vs up to 5 competitors, cited URLs, how the engines describe the brand, an 11-point brand signals checklist and next steps.
- Full report for people ($49 one time, available now): 25 prompts. Every question is asked 3 times on each engine and the answers are combined. Everything in Lite, plus a crawl of up to 75 pages, AI crawler rules, on-page gaps and a 30-day plan of 8 to 15 actions.

## Policies
- x402 payments are settled only after the report is generated. If generation fails, the x402 payment is not 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, available now. Lite report, $29 one time: 25 buyer questions on the OpenAI API with web search and the Perplexity API. Every question is asked once on each engine. Full report, $49 one time: every question is asked 3 times on each engine and the answers are combined.
- Monthly tracking (optional, for Lite or Full report buyers): $19 a month, billing monthly, first charge at signup, cancel anytime online. Each month asks the same questions about the same competitors again and shows what changed on a private tracking page. Started from the report page, not by agents.
- [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: Lite report 29 USDC, Full report 49 USDC.
- [Answer Checkup blog](https://answercheckup.com/blog): Guides to AI SEO, generative engine optimization (GEO), and checking whether ChatGPT and Perplexity recommend your business.
- [Best AI visibility checkers of 2027: an honest comparison](https://answercheckup.com/blog/best-ai-visibility-checkers-2027): Eight AI visibility checkers compared from their own websites: what each one tracks, who it suits, and what to ask before you pick one.
- [Best ways to get your site cited by ChatGPT in 2027](https://answercheckup.com/blog/get-cited-by-chatgpt-2027): Steps that help ChatGPT find, read and cite your site: crawler access, raw HTML facts, clear pages, third-party mentions, and how to measure it.
- [Best ways to check if ChatGPT mentions your business in 2027](https://answercheckup.com/blog/check-if-chatgpt-mentions-your-business-2027): Four ways to check if ChatGPT and Perplexity mention your business: a manual test, a crawler check, a one-time report, and ongoing tracking.
- [New in Answer Checkup reports: listing searches, Wikidata checks and real-browser rendering](https://answercheckup.com/blog/new-report-checks): The paid Answer Checkup reports now search listing sites and check Wikidata, and Full adds real-browser rendering. See what each check shows and what it skips.
- [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 a worked example from a published sample report.
- [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, how to count the results, 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.
- [What share of voice in AI answers looks like for a well-known brand](https://answercheckup.com/blog/ai-share-of-voice): We asked AI answer engines 25 buyer questions about email marketing tools. Here is how often a well-known brand was named, who else was, and what share of voice means.
- [Which sites AI answers cite when people ask about email marketing tools](https://answercheckup.com/blog/ai-answer-cited-domains-email-marketing): We logged the sources AI answer engines cited for 25 questions about email marketing platforms. The brand's own site led, then the site of a tool nobody was tracking.
- [Entity signals: why AI can describe some brands and not others](https://answercheckup.com/blog/ai-entity-signals): Why AI answer engines describe some brands clearly and say 'I couldn't find it' about others. The 11 entity checks, walked through on a well-known brand.
- [How to track AI traffic in GA4 (and what it can't see)](https://answercheckup.com/blog/track-ai-traffic-ga4): How to see visits from ChatGPT, Perplexity, Gemini and other AI assistants in GA4, set up a custom AI channel group, and why the number is always an undercount.
- [Does schema markup help AI search? What the evidence says](https://answercheckup.com/blog/does-schema-markup-help-ai-search): Does schema.org structured data get you cited by ChatGPT, Perplexity or Google AI Overviews? What Google says, what the tests found, and what we'd still do.
- [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, MCP tools and the FAQ in one file

## Contact
- Answer Checkup. Email: hello@answercheckup.com