> ## Documentation Index
> Fetch the complete documentation index at: https://hexagraph-docs.voyla.in/llms.txt
> Use this file to discover all available pages before exploring further.
# Source
> Retrieve detailed metadata for a single publication venue by its HX_S identifier.
Retrieves a single publication venue (academic journal, preprint repository, conference proceeding, or book series) by its `HX_S` identifier.
### Path Parameters
Unique source identifier (e.g. `HX_S140251998`). Must be prefixed with `HX_S`.
### Response Fields
Unique source identifier prefixed with `HX_S` (e.g. `HX_S46033839`).
Linking International Standard Serial Number (ISSN-L).
Array of registered ISSN strings.
Full display name of the venue.
Host publisher/organization name.
Total number of indexed outputs published in this venue.
Total Open Access outputs count.
Total citation count received by outputs in this venue.
Aggregated impact metrics.
Two-year mean citation rate.
Calculated h-index score.
Calculated i10-index score.
`true` if the venue is open access.
`true` if indexed in DOAJ.
Year indexed in DOAJ.
`true` if venue has high open access rate.
Year high open access rate status started.
`true` if indexed in SciELO.
`true` if using Open Journal Systems (OJS).
`true` if source is a preprint repository.
`true` if designated as a core journal.
Year source converted/flipped to Open Access.
First indexed publication year.
Most recent publication year.
Official homepage URL.
Article Processing Charge price list.
Price amount.
Currency code (e.g. `"USD"`).
APC cost in USD.
Historical APC pricing by year.
Calendar year.
APC price in USD.
Country metadata object.
ISO country code (e.g. `"JP"`).
Country display name.
Associated scientific societies list.
Society website URL.
Society organization name.
Alternative venue titles array.
Venue classification (`journal`, `repository`, etc.).
Yearly outputs and citations breakdown.
Year number.
Outputs published in year.
Open Access outputs published in year.
Citations received in year.
ISO last updated timestamp.
ISO creation date timestamp.
External identifiers mapping.
Microsoft Academic Graph ID.
Wikidata entity URL.
Associated research topics.
Topic ID (`HX_T...`).
Topic name.
Outputs count in topic.
Output share proportion in topic.
Journal indexing metrics.
Scopus journal indexing details.
Active indexing status.
Years of database coverage.
Total document count.
Percent score.
Journal rank status.
Total citation count.
Source Normalized Impact per Paper.
SCImago Journal Rank.
CiteScore value.
Percentage of cited documents.
Quartile classification.
Subject categories.
Venue type classification.
Web of Science indexing details.
Standard ISSN.
Electronic ISSN.
Issues published per year.
Start year of coverage.
Journal Impact Factor.
5-year Journal Impact Factor.
Best percentile ranking.
Active indexing status.
Quartile classification.
Web of Science indexing databases.
Index short code.
Full index name.
Subject categories.
Open Access status details.
ABDC journal rating object.
ABDC journal rating grade (e.g. `"A*"`, `"A"`, `"B"`, `"C"`).
Directory of Open Access Journals (DOAJ) indexing details.
DOAJ registered ISSN.
Accepted publication languages.
Creative Commons licenses.
License type (e.g. `CC BY`).
License terms URL.
License icons URL list.
Subject classifications.
Open access starting year.
Useful resource reference links.
Reference page name.
Reference page URL.
Average publication time in weeks.
Article Processing Charge pricing details.
Pricing currency code.
Price cost value.
```bash cURL theme={null}
curl -X GET "https://api.hexagraph.in/sources/HX_S46033839"
```
```javascript JavaScript theme={null}
fetch("https://api.hexagraph.in/sources/HX_S46033839")
.then(response => response.json())
.then(data => console.log(data));
```
```python Python theme={null}
import requests
response = requests.get("https://api.hexagraph.in/sources/HX_S46033839")
print(response.json())
```
```go Go theme={null}
package main
import (
"fmt"
"io"
"net/http"
)
func main() {
resp, err := http.Get("https://api.hexagraph.in/sources/HX_S46033839")
if err != nil {
fmt.Println("Error:", err)
return
}
defer resp.Body.Close()
body, _ := io.ReadAll(resp.Body)
fmt.Println(string(body))
}
```
```json 200 OK theme={null}
{
"id": "HX_S140251998",
"issn_l": "0021-9258",
"issn": [
"0021-9258",
"1067-8816",
"1083-351X"
],
"name": "Journal of Biological Chemistry",
"host_organization_name": "Elsevier BV",
"outputs_count": 214160,
"oa_outputs_count": 212740,
"cited_by_count": 17373999,
"summary_stats": {
"2yr_mean_citedness": 1.7154113247863247,
"h_index": 783,
"i10_index": 185479
},
"is_oa": true,
"is_in_doaj": true,
"is_high_oa_rate": false,
"is_high_oa_rate_since_year": null,
"is_in_scielo": false,
"is_ojs": false,
"is_preprint_repository": false,
"is_core": true,
"oa_flip_year": 2020,
"first_publication_year": 1905,
"last_publication_year": 2026,
"homepage_url": "https://www.sciencedirect.com/journal/journal-of-biological-chemistry",
"apc_prices": [
{
"price": 2800,
"currency": "USD"
}
],
"apc_usd": 2800,
"apc_usd_by_year": [
{
"year": 2023,
"price": 2800
}
],
"country": {
"code": "US",
"name": null
},
"societies": [
{
"url": "https://www.asbmb.org/",
"organization": "American Society for Biochemistry and Molecular Biology"
}
],
"alternate_titles": [
"JBC",
"JBC online"
],
"type": "journal",
"counts_by_year": [
{
"year": 2026,
"outputs_count": 2178,
"oa_outputs_count": 2178,
"cited_by_count": 209
}
],
"updated_date": "2026-08-05T10:02:25",
"created_date": "2016-06-24T00:00:00",
"ids": {
"mag": "140251998",
"wikidata": "https://www.wikidata.org/entity/Q867727"
},
"topics": [
{
"id": "HX_T10521",
"name": "RNA and protein synthesis mechanisms",
"count": 11741,
"share": 0.0246983
}
],
"metrics": {
"scopus": {
"active": true,
"coverage": "1945-2026; 1941-1942; 1933-1938; 1931; 1906",
"doc_count": 4713,
"percent": 72,
"rank": "125/448",
"citations": 32548,
"snip": 1.051,
"sjr": 1.643,
"citescore": 6.9,
"percent_cited": 82,
"quartile": "Q2",
"subject_category": "Biochemistry; Cell Biology; Molecular Biology",
"type": "Journal"
},
"web_of_science": {
"issn": "00219258",
"eissn": "1083351X",
"issues_per_year": 1,
"start_year": null,
"jif": 4.1,
"five_year_jif": 4.5,
"best_ranking": 60.4,
"active": true,
"quartile": "Q2",
"index": [
{
"code": "SCIE",
"name": "Science Citation Index Expanded"
}
],
"subject_category": "Biochemistry & Molecular Biology; Biochemistry & Biophysics; Biology & Biochemistry",
"open_access_status": "Fully Open Access― It may take a publication fee. For more info, check it onDOAJ.ORG"
},
"abdc": {
"rating": "A+"
}
},
"doaj": {
"issn": "0021-9258",
"languages": [
"EN"
],
"licenses": [
{
"type": "CC BY",
"url": "https://creativecommons.org/licenses/by/4.0/",
"icon_urls": [
"https://mirrors.creativecommons.org/presskit/icons/cc.svg",
"https://mirrors.creativecommons.org/presskit/icons/by.svg"
]
}
],
"subjects": [
"Biochemistry"
],
"open_access_since": "2021",
"ref": [
{
"name": "Aims & Scope",
"url": "https://www.sciencedirect.com/journal/journal-of-biological-chemistry/about/aims-and-scope"
},
{
"name": "Author Instructions",
"url": "https://www.sciencedirect.com/journal/journal-of-biological-chemistry/publish/guide-for-authors"
},
{
"name": "Editorial Board",
"url": "https://www.sciencedirect.com/journal/journal-of-biological-chemistry/about/editorial-board"
},
{
"name": "Peer Review",
"url": "https://www.sciencedirect.com/journal/journal-of-biological-chemistry/publish/guide-for-authors"
}
],
"publication_weeks": "22",
"apc": [
{
"currency": "USD",
"price": "3430"
}
]
}
}
```
```json 400 Bad Request theme={null}
{
"statusCode": 400,
"message": "Only HX_ prefixed IDs are allowed",
"error": "Bad Request"
}
```
```json 404 Not Found theme={null}
{
"statusCode": 404,
"message": "Source with ID HX_S9999999999 not found",
"error": "Not Found"
}
```
```json 429 Too Many Requests theme={null}
{
"statusCode": 429,
"error": "Too Many Requests",
"message": "IP rate limit exceeded (max 30 requests per minute). Please try again in 42 seconds (at 11:40:32 UTC).",
"reset_in_seconds": 42,
"reset_at_utc": "2026-08-05T11:40:32.000Z"
}
```