citation-tracker.pixelcove.co publishes 2 machine-payable endpoints over the x402 protocol, priced from $0.15 to $0.2 per call. Each was probed directly; the response code below is what it returned.
| Endpoint | Method | Price | Probe |
|---|---|---|---|
| /v1/check-one | POST | $0.15 | 402 |
| /v1/shortlist-gate | POST | $0.2 | 402 |
Sends one prompt to one search assistant (Perplexity, OpenAI or Gemini) and reports whether it cites your target domains: cited status, citation count, cited domains, model, and a structured error. Fo…
Checks whether ChatGPT would search the web for one prompt and whether its first search query names any of your supplied brand or product terms (whole-word match). Use it to gate a prompt before spend…