Search normalized clinical trials by registry, condition, intervention, sponsor,
Search normalized clinical trials by registry, condition, intervention, sponsor, country, status, phase, study type, or free text.
Answeringour last check, 2026-09-30
1 of 1checks answered this week
591 msmedian answer time
$0.1listed price per call
$0.1price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://api.trialbase-db.org/v1/trials
| Category | Company and compliance |
|---|---|
| Provider host | api.trialbase-db.org |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-30 | valid payment request | 402 | $0.1 | 591 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"condition": "Intimate partner violence",
"limit": 1,
"registry": "isrctn"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$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"
}