How It Works
Search-native AI, structured for developers
Serpent sends your query to Perplexity's sonar-pro model, a search-native LLM that always searches the web before responding. Every answer is grounded in real-time data with inline citations. Serpent analyzes the response for brand mentions, extracts all citation data, and returns everything as structured JSON.
Data Returned
The deepest AI citation data available
Mention Detection
Boolean flag plus detailed mention objects with position, context text, and sentiment analysis for each brand reference.
Position Tracking
Where your brand appeared in Perplexity's response relative to competitors, with ordinal position data.
Deep Citations (10-30+)
The most citations of any AI engine. Each citation includes source URL, title, and domain -- all from sonar-pro's real-time web search.
Context & Sentiment
The surrounding text where your brand was mentioned, plus sentiment classification (positive, neutral, negative).
Pricing - Deepest Citation Data
Quick Start
Track Perplexity visibility in seconds
Send a query and your brand domain. Get back comprehensive mention data with deep citation analysis from Perplexity's sonar-pro model.
curl "https://apiserpent.com/api/ai/rank/perplexity?q=best+crm+software+for+startups&domain=hubspot.com" \ -H "X-API-Key: YOUR_API_KEY"
{
"query": "best crm software for startups",
"engine": "perplexity",
"model": "sonar-pro",
"domain": "hubspot.com",
"mentioned": true,
"mentions": [
{
"position": 1,
"context": "HubSpot CRM is widely considered the best free CRM for startups, offering a generous free tier with contact management, email tracking...",
"sentiment": "positive"
}
],
"citations": [
{
"url": "https://www.hubspot.com/products/crm",
"title": "Free CRM Software & Tools for Your Business | HubSpot"
},
{
"url": "https://www.g2.com/categories/crm",
"title": "Best CRM Software in 2026 | G2"
}
],
"totalCitations": 18,
"credits": { "used": 1, "remaining": 99 }
}
FAQ
Frequently asked questions
The Perplexity AI Rank API tracks how your brand is mentioned in Perplexity AI responses. It uses the sonar-pro model, a search-native LLM that always searches the web before responding. The API returns brand mentions, citation URLs, position data, and sentiment analysis.
Perplexity's sonar-pro is a search-native LLM that performs real-time web searches for every query, providing the most comprehensive citation data. The underlying API costs are higher because every response is grounded in live web data. Default: $20.00/1K, Growth: $15.56/1K, Scale: $11.11/1K. You get the deepest citation analysis available.
Sonar-pro is Perplexity's most advanced search model. Unlike traditional LLMs, it is built specifically for search tasks. It always searches the web before generating responses, provides inline citations, and returns structured source data. This makes it ideal for brand visibility tracking.
Perplexity's sonar-pro typically returns 10-30+ citations per query, making it the highest-citation AI engine available. Each citation includes the source URL and title. This gives you the most detailed view of which sources Perplexity trusts for any given topic.
It depends on your needs. For the deepest citation data, Perplexity at $20.00/1K Default ($11.11/1K Scale) is the best choice. For high-volume monitoring on a budget, start with Gemini at $2.20/1K Default ($1.22/1K Scale). For a balance of quality and cost, Claude at $12.00/1K Default ($6.67/1K Scale) is a strong middle ground. Many customers use all three for complete coverage.
Track Perplexity AI visibility for free
100 free searches included. Test brand mention tracking in Perplexity AI with no credit card required.