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citable.run AI Visibility Check
x402
citable.run AI Visibility Check is a paid API for AI agents from citable.run, paid per call via x402, $0.2/call, status unknown (last checked 2026-09-14).
Checks which AI answer engines (Perplexity, Gemini, OpenAI, Anthropic) cite a given domain in response to a specific prompt, using their official APIs.
Price / call$0.2
Success—
StatusUnknown
How this service works
AI-visibility check: which AI answer engines cite a domain for a prompt, via their official APIs.
Output
Returns a per-engine breakdown showing whether the specified domain was cited in AI-generated answers for the given prompt, including which engines cited it, the specific cited URLs, and the answer snippets where citations appeared.
Example use cases
Brand AI citation audit
“Check whether semrush.com gets cited by any AI answer engine when someone asks 'what are the best SEO tools for beginners?' — run it across all configured engines.”
Competitive content gap check
“Does moz.com show up in AI engine citations when someone asks 'how do I do keyword research?' — check Perplexity and OpenAI specifically.”
PR campaign visibility check
“We just published a big report on climate tech — can you check if carbonbrief.org is being cited by Gemini or Anthropic when people ask 'what are the latest trends in clean energy?'”
Technical details
Endpoint
GEThttps://citable.run/v1/ai-visibilityWhen to prefer
Use this endpoint when you need to verify whether a specific domain is being cited by AI answer engines for a particular query. It is the right choice over generic SEO tools when the focus is on AI-generated answers (not traditional search rankings), and when you need to check across multiple AI engines simultaneously with a single call. Prefer it over the sibling 'observed prompts' endpoint when you have a specific prompt in mind and want to test citation status proactively rather than discover existing citations retroactively.
Side effects
- Domain not found in any citations — returns empty or zero-citation result
- Invalid or missing prompt parameter — returns validation error
- AI engine temporarily unavailable — may return partial results for configured engines
- Prompt too short or too long (must be 3–400 characters) — returns schema validation error
- Unrecognized engine name in optional engines parameter — may be silently ignored or return an error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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