Index onlineMerchant portal
Api Endpoint

io.github.Timwal78/mcp-x402

Clinical trial search (ClinicalTrials.gov APIv2): NCT ID, title, status, phase, enrollment, sponsor, conditions. Pay 0.001 USDC on Base using the fresh PAYMENT-REQUIRED challenge and caller-authorized PAYMENT-SIGNATURE.

Open interactive test console

Offering

Provider
mcp-x402.onrender.com
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Financial Analysis
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://mcp-x402.onrender.com/x402/clinical-trials
MIME type
application/json
First seen
2026-10-16T02:54:53.696Z
Last seen
Tags
MCP, X402

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0x5bbd32e0478e49a7540ef2d760e0b0f9aa6328b2"
  },
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0x5bbd32e0478e49a7540ef2d760e0b0f9aa6328b2"
  }
]

Observed health

Status
Healthy
Latest latency
144 ms
Average latency
273 ms
HTTP status
402
Last checked
Reachability
100% over 3 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string"
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "term": {
          "type": "string",
          "description": "Drug, sponsor, or keyword (required if no condition)."
        },
        "condition": {
          "type": "string",
          "description": "Disease or condition (e.g. diabetes)."
        },
        "status": {
          "type": "string",
          "enum": [
            "RECRUITING",
            "ACTIVE",
            "COMPLETED",
            "ALL"
          ],
          "default": "RECRUITING"
        },
        "rows": {
          "type": "integer",
          "minimum": 1,
          "maximum": 25,
          "default": 10
        }
      },
      "required": []
    }
  },
  "required": [
    "type",
    "method"
  ]
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "json"
    },
    "example": {
      "type": "object"
    }
  },
  "required": [
    "type",
    "example"
  ]
}