CWTS Leiden Ranking Open Edition 2025 (publication-based, about 2,800 universiti
CWTS Leiden Ranking Open Edition 2025 (publication-based, about 2,800 universities, OpenAlex data): for a country or continent, field and period (2006-2009 to 2020-2023), each university's rank, name, country and the indicators of the chosen dimension: scientific impact (P, top 1%), collaboration (international, industry) or open access (P(OA), PP(OA)).
Answeringour last check, 2026-10-24
1 of 1checks answered this week
29 msmedian answer time
$0.002listed price per call
$0.002price 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.webintel-api.workers.dev/api/search/leiden-ranking
| Category | Search and research |
|---|---|
| Provider host | api.webintel-api.workers.dev |
| Networks | eip155:10, eip155:137, eip155:143, eip155:42161, eip155:42220, eip155:480, eip155:5042, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp, stellar:pubnet, xrpl:0 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-24 | valid payment request | 402 | $0.002 | 29 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"country": "TR",
"limit": "10"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"continent": {
"description": "Instead of country: AF, AS, EU, NA, OC or SA",
"type": "string"
},
"country": {
"description": "2-letter country code, e.g. TR, DE, US (omit for world)",
"type": "string"
},
"dimension": {
"description": "impact (default), collaboration or openaccess",
"type": "string"
},
"field": {
"description": "all (default), biomedical, life, math, physical or social",
"type": "string"
},
"indicator": {
"description": "Indicator set within the dimension, 1 to 5 (default 1; collaboration: 1 all, 2 international, 3 industry, 4 <100 km, 5 >5000 km)",
"type": "string"
},
"limit": {
"description": "Rows to return, 1 to 1000 (default 50)",
"type": "string"
},
"minPublications": {
"description": "0, 50, 100 (default), 500, 1000, 5000 or 10000",
"type": "string"
},
"period": {
"description": "Last year of the 4-year window, 2009 to 2023 (default 2023 = 2020-2023)",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}