Get Field Statistics
get_field_statisticsGet statistical information about field values.
How it works ↓Pricing
Per call
$0.01
Model
flat
Pay only for what you use. No subscriptions.
Inputs
field_types
stringfield_names
stringInput Parameters
Cost per run
Execution cost$0.01
About Get Field Statistics
Get statistical information about field values.
This tool retrieves statistical information about the values of specified fields in the ClinicalTrials.gov database.
Input:
field_names: A list of field names to get statistics for.field_types: A list of field types to filter by. Example:['ENUM', 'STRING']
Frequently Asked Questions
Get statistical information about field values. This tool retrieves statistical information about the values of specified fields in the ClinicalTrials.gov database. Input: - `field_names`: A list of field names to get statistics for. - `field_types`: A list of field types to filter by. Example: `['ENUM', 'STRING']`
Get Field Statistics costs $0.01 per call on xpay. No subscription, no minimums. Pay only for the calls you make. New accounts get $5 in free credits.
Connect the Clinical Trials MCP endpoint to your client — Claude Code: claude mcp add --transport http clinical-trials "https://clinical-trials.mcp.xpay.sh/mcp?key=YOUR_XPAY_KEY"; Cursor/Windsurf/Cline/VS Code: same URL in mcp.json. The agent will see get_field_statistics as a callable tool with the input schema and run it directly. (Unified across all providers: https://mcp.xpay.sh/mcp?key=YOUR_XPAY_KEY, then xpay_run with toolPath clinical-trials/get_field_statistics.)
Yes — that's exactly what xpay is for. You don't need a Clinical Trials account or API key. Sign up at xpay.tools (Google or email), get $5 free credit, and run Get Field Statistics immediately. Billing flows through your xpay balance.
Get Field Statistics accepts 2 input parameters: field_types, field_names. See the input schema and runnable form on this page for details and to test live.

