Api Endpoint

TrialBase DB

Search normalized clinical trials by registry, condition, intervention, sponsor, country, status, phase, study type, or free text.

Open interactive test console

Offering

Provider
api.trialbase-db.org
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Health And Medicine
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.trialbase-db.org/v1/trials
MIME type
application/json
First seen
2026-10-16T01:50:10.647Z
Last seen
Tags
clinical-trials, registries, healthcare, Research, provenance

Payment pricing

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

Payment option 1
0.1 USDC
Atomic price: 100000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "100000",
    "payTo": "0x1Ee42717b1c370dACE197a8850Bf41a932F3b5A8"
  }
]

Observed health

Status
Healthy
Latest latency
54 ms
Average latency
408 ms
HTTP status
402
Last checked
Reachability
100% over 14 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",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "q": {
          "type": "string",
          "maxLength": 160
        },
        "status": {
          "type": "string",
          "maxLength": 40
        },
        "phase": {
          "type": "string",
          "maxLength": 20
        },
        "study_type": {
          "type": "string",
          "maxLength": 20
        },
        "sponsor": {
          "type": "string",
          "maxLength": 160
        },
        "condition": {
          "type": "string",
          "maxLength": 160
        },
        "intervention": {
          "type": "string",
          "maxLength": 160
        },
        "country": {
          "type": "string",
          "maxLength": 80
        },
        "registry": {
          "type": "string",
          "maxLength": 40
        },
        "limit": {
          "type": "integer",
          "minimum": 1,
          "maximum": 100,
          "default": 20
        },
        "cursor": {
          "type": "string",
          "description": "Opaque keyset cursor from a previous response."
        },
        "count": {
          "type": "boolean",
          "description": "Include the total matching-record count."
        }
      },
      "additionalProperties": false
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "additionalProperties": false,
          "properties": {
            "condition": {
              "maxLength": 160,
              "type": "string"
            },
            "count": {
              "description": "Include the total matching-record count.",
              "type": "boolean"
            },
            "country": {
              "maxLength": 80,
              "type": "string"
            },
            "cursor": {
              "description": "Opaque keyset cursor from a previous response.",
              "type": "string"
            },
            "intervention": {
              "maxLength": 160,
              "type": "string"
            },
            "limit": {
              "default": 20,
              "maximum": 100,
              "minimum": 1,
              "type": "integer"
            },
            "phase": {
              "maxLength": 20,
              "type": "string"
            },
            "q": {
              "maxLength": 160,
              "type": "string"
            },
            "registry": {
              "maxLength": 40,
              "type": "string"
            },
            "sponsor": {
              "maxLength": 160,
              "type": "string"
            },
            "status": {
              "maxLength": 40,
              "type": "string"
            },
            "study_type": {
              "maxLength": 20,
              "type": "string"
            }
          },
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "additionalProperties": false,
          "properties": {
            "data": {
              "items": {
                "additionalProperties": true,
                "properties": {
                  "_provenance": {
                    "additionalProperties": true,
                    "type": "object"
                  },
                  "id": {
                    "minimum": 1,
                    "type": "integer"
                  }
                },
                "required": [
                  "id"
                ],
                "type": "object"
              },
              "type": "array"
            },
            "has_more": {
              "type": "boolean"
            },
            "next_cursor": {
              "type": [
                "string",
                "null"
              ]
            },
            "total": {
              "minimum": 0,
              "type": "integer"
            }
          },
          "required": [
            "data",
            "has_more",
            "next_cursor"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}