Marketplace · API · AIPayGen tools

Clinical trials search (AIPayGen)

Search 500k+ clinical studies worldwide on ClinicalTrials.gov by condition, drug or keyword: status (recruiting, completed...), phase, sponsor, enrollment, start date, countries and the study link.

Endpoint	`https://aipaygen.com/v1/clinical_trials`
Price	$0.002 per call
Trust	✓ Verified callable · null% uptime over 0 checks
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
tool	clinical_trials
http	GET https://aipaygen.com/v1/clinical_trials
mcp	https://aipaygen.com/mcp
docs	https://aipaygen.com/docs#clinical_trials
pay	x402 USDC on Base per call (no account), or an API key with prepaid credits. Low-cost tools: 3 free calls a day.

Use it

Call it (an x402 client pays automatically)

curl -i https://aipaygen.com/v1/clinical_trials
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/aipaygen-clinical-trials

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}