Call the Cite42 REST API

Call Cite42 directly over HTTP. One base URL, a Bearer key, JSON in and out. Query AI search, SEO keywords, trends, workflows, and recurring trackers.

Base URL

https://www.cite42.dev/api/v1

Send a cite42_live_ Bearer key on every request. The same key works with MCP. See Authentication.

Make your first call

Choose a language for your first call:

1
Get your API key
- Create a Cite42 account or log in.
- Open the API keys page and create a key. It's shown once, so copy it now; you'll send it as a Bearer token on every request.

Make the call

One POST queries the default AI surfaces and returns each answer with its sources.

# One POST queries the default AI surfaces: answer + sources each.
$ curl https://www.cite42.dev/api/v1/search \
   -H "Authorization: Bearer $CITE42_API_KEY" \
   -H "Content-Type: application/json" \
   -d '{ "query": "best startup CRM" }'

# Response: one entry per model, plus a billing block:
{
  "results": [
    { "model": "chatgpt", "ok": true, "answer": "...",
      "citations": [{ "url": "reddit.com/r/SaaS/..." }] }
    /* ...claude, perplexity, gemini... */
  ],
  "billing": { "cost": { "usd": "0.20" }, "balance": { "usd": "24.60" } }
}

Billed responses include exact cost and remaining balance. See AI Search for the response shape.

Tools

AI tools (per-model pricing): search, rankings, compare, citations, sentiment. Data tools (once per call): keywords, trends, Reddit Trends, YouTube Trends. Also see free usage, workflows, and the Tracker API for recurring measurements.