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PixelCove Citation Tracker
x402
PixelCove Citation Tracker is a paid API for AI agents from citation-tracker.pixelcove.co, paid per call via x402, $0.75/call, status unknown (last checked 2026-09-14).
Checks whether AI assistants (Perplexity, ChatGPT, Claude, Gemini) cite a specified domain when answering a given prompt
Price / call$0.75
Success—
StatusUnknown
How this service works
An MCP server that checks whether Perplexity, ChatGPT, Claude, and Gemini cite your domain when they answer a prompt. One free Perplexity check a day, then $0.20 to $0.75 per call.
Output
Returns an array of per-engine results, each containing: whether the target domain was cited (boolean), how many times it appeared, a list of cited domains, the model used, response latency in ms, any error messages, and related questions surfaced by the AI. Also includes aggregate succeeded/failed counts across engines.
Example use cases
SEO brand visibility audit
“Run a citation check on perplexity and openai to see if techblog.io comes up when someone asks 'what are the best resources to learn JavaScript in 2024?' — tell me how many times it's cited and whether it actually appears.”
Competitor vs own domain comparison
“Check whether naturalhealthhub.com or wellnessdaily.com gets cited by Perplexity and Gemini when asked 'what are the best natural remedies for sleep problems?' — I want to see which of the two domains the AI engines are actually recommending.”
PR campaign citation monitoring
“After our product launch, check if launchpadtools.com is being cited by ChatGPT, Claude, and Perplexity when asked 'what are the top tools for startup founders in 2024?' — I need to know if our PR push is getting us into AI search results.”
Technical details
Endpoint
POSThttps://citation-tracker.pixelcove.co/v1/checkWhen to prefer
Use this endpoint when you need to verify whether specific domains are being cited by major AI assistants in response to a given query — ideal for SEO professionals, brand managers, PR teams, and content marketers tracking their AI search visibility. Prefer this over manual testing when you want programmatic, multi-engine citation checks in a single call with structured output.
Side effects
- Engine unavailable or rate-limited — returns error field on that result with null cited value
- Invalid engine name in engines array — likely validation error or failed result
- Prompt exceeds 4000 characters — request rejected
- More than 10 target domains specified — request rejected
- Network timeout to upstream AI engine — captured in error field with latency recorded
- Payment not received or insufficient — x402 payment required response before processing
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| promptrequired | string | The prompt to send to the search assistant(s), verbatim. 1 to 4000 characters. |
| enginesrequired | array | 1 to 4 distinct engines to check, from perplexity, openai, anthropic, gemini. |
| targetsrequired | array | 1 to 10 target domains to check for a citation. |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| failedrequired | number | |
| resultsrequired | array | |
| succeededrequired | number |
Tags
x402
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