How It Works
ChatGPT-labeled responses, structured for developers
Send a query and Serpent returns a ChatGPT-labeled response with citation URLs, cited text excerpts, and mention data normalized into clean JSON.
Data Returned
Everything you need from each ChatGPT query
Citation URLs
Every source URL that ChatGPT referenced in its response, in the order they were cited.
Page Titles
The title of each cited page as displayed by ChatGPT, useful for identifying which content earns citations.
Cited Text Excerpts
The exact text that ChatGPT extracted and cited from each source, showing what content the model found relevant.
Full Response Text
The complete ChatGPT response with all inline citations preserved, ready for analysis or display.
Token Usage
Detailed token breakdown: input tokens, output tokens, and total tokens consumed for each request.
Visibility Score
A 0-100 score showing how prominently your target domain was cited relative to other sources in the response.
Pricing
Quick Start
Start tracking ChatGPT citations in seconds
curl "https://apiserpent.com/api/ai/rank/chatgpt?q=best+crm+software+for+startups" \
-H "X-API-Key: YOUR_API_KEY"
# Response
{
"engine": "chatgpt",
"model": "gpt-5.5",
"query": "best crm software for startups",
"response_text": "Based on my research, here are the top CRM options...",
"citations": [
{
"position": 1,
"url": "https://example.com/best-crms",
"title": "10 Best CRM Software for Startups in 2026",
"cited_text": "HubSpot CRM offers a free tier that includes..."
},
{
"position": 2,
"url": "https://another-site.com/crm-guide",
"title": "Startup CRM Buyer's Guide",
"cited_text": "For teams under 10 people, Pipedrive provides..."
}
],
"token_usage": {
"input_tokens": 1247,
"output_tokens": 892,
"total_tokens": 2139
},
"visibility_score": null,
"cost": 0.005
}
Pass a domain parameter to calculate the visibility score for a specific target.
curl "https://apiserpent.com/api/ai/rank/chatgpt?q=best+crm+software&domain=hubspot.com" \ -H "X-API-Key: YOUR_API_KEY" # visibility_score will be calculated for hubspot.com
FAQ
Frequently asked questions
The API returns a ChatGPT-labeled answer with citation URLs and mention data normalized into a structured JSON format.
Each response includes: an array of citations with URL, title, and cited text excerpt; the full ChatGPT response text; token usage breakdown (input, output, total); model version used; and a visibility score if a target domain was specified.
Responses include a clean public ChatGPT model label and normalized citation data.
ChatGPT citation tracking costs $20.00 per 1,000 requests on the Default tier, $2.00/1K on Growth (a single $100+ deposit), and $1.00/1K on Scale (a single $500+ deposit) — the same rate as every Serpent AI engine. AI Ranking requires paid credits from call 1.
Yes. You can query any keyword and check if competitor domains appear in ChatGPT's citations. Compare citation counts, positions, and cited text across brands to build competitive intelligence reports for AI-driven search.
Track your ChatGPT visibility now
Add credits to start monitoring how ChatGPT cites your brand. Paid credits required.
