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Citation Formatter — DOI to BibTeX/APA/MLA
x402
Citation Formatter — DOI to BibTeX/APA/MLA is a paid API for AI agents from the-stall.intuitek.ai, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-15).
Converts a DOI into a formatted academic citation in BibTeX, APA, MLA, or all formats at once
Price / call$0.02
Success—
StatusUnknown
How this service works
Domain-agnostic x402 capability chassis by IntuiTek¹. 210 AI-callable data services — pay USDC on Base mainnet. No accounts or API keys required.
Output
A formatted citation string in the requested style (BibTeX, APA, MLA) for the paper identified by the given DOI, or all three formats if 'all' is specified.
Example use cases
Example prompt
“Can you give me the BibTeX citation for the paper with DOI 10.1038/nature12345?”
Technical details
Endpoint
GEThttps://the-stall.intuitek.ai/cap/citation-formatterWhen to prefer
Use this endpoint when you need to programmatically generate academic citations from DOIs without API keys or account setup, especially in research automation pipelines, bibliography generators, or AI agents helping users write papers. Prefer this over manual lookup when you already have a DOI and need a specific citation format instantly.
Side effects
- Invalid or malformed DOI returns an error — DOI must follow standard format like '10.xxxx/...'
- DOI not found in upstream metadata sources returns a 404-style error
- Unsupported format enum value returns a validation error
- Network timeout if upstream DOI resolver is slow
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"doi": "10.1038/nature12345",
"format": "bibtex"
}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
{
"doi": "10.1038/nature12345",
"bibtex": "@article{wang2013,\n author = {Wang, Xiaomeng and Abraham, Sabu and McKenzie, Jenny A. G. and Jeffs, Natasha and Swire, Matthew and Tripathi, Vineeta B. and Luhmann, Ulrich F. O. and Lange, Clemens A. K. and Zhai, Zhenhua and Arthur, Helen M. and Bainbridge, James W. B. and Moss, Stephen E. and Greenwood, John},\n title = {LRG1 promotes angiogenesis by modulating endothelial TGF-β signalling},\n journal = {Nature},\n year = {2013},\n month = {jul},\n volume = {499},\n number = {7458},\n pages = {306-311},\n publisher = {Springer Science and Business Media LLC},\n doi = {10.1038/nature12345},\n url = {https://doi.org/10.1038/nature12345}\n}",
"metadata": {
"doi": "10.1038/nature12345",
"url": "https://doi.org/10.1038/nature12345",
"type": "journal-article",
"year": 2013,
"issue": "7458",
"pages": "306-311",
"title": "LRG1 promotes angiogenesis by modulating endothelial TGF-β signalling",
"volume": "499",
"authors": [
{
"name": "Xiaomeng Wang",
"given": "Xiaomeng",
"orcid": null,
"family": "Wang"
},
{
"name": "Sabu Abraham",
"given": "Sabu",
"orcid": null,
"family": "Abraham"
},
{
"name": "Jenny A. G. McKenzie",
"given": "Jenny A. G.",
"orcid": null,
"family": "McKenzie"
},
{
"name": "Natasha Jeffs",
"given": "Natasha",
"orcid": null,
"family": "Jeffs"
},
{
"name": "Matthew Swire",
"given": "Matthew",
"orcid": null,
"family": "Swire"
},
{
"name": "Vineeta B. Tripathi",
"given": "Vineeta B.",
"orcid": null,
"family": "Tripathi"
},
{
"name": "Ulrich F. O. Luhmann",
"given": "Ulrich F. O.",
"orcid": null,
"family": "Luhmann"
},
{
"name": "Clemens A. K. Lange",
"given": "Clemens A. K.",
"orcid": null,
"family": "Lange"
},
{
"name": "Zhenhua Zhai",
"given": "Zhenhua",
"orcid": null,
"family": "Zhai"
},
{
"name": "Helen M. Arthur",
"given": "Helen M.",
"orcid": null,
"family": "Arthur"
},
{
"name": "James W. B. Bainbridge",
"given": "James W. B.",
"orcid": null,
"family": "Bainbridge"
},
{
"name": "Stephen E. Moss",
"given": "Stephen E.",
"orcid": null,
"family": "Moss"
},
{
"name": "John Greenwood",
"given": "John",
"orcid": null,
"family": "Greenwood"
}
],
"journal": "Nature",
"abstract": null,
"publisher": "Springer Science and Business Media LLC"
},
"generated_at": "2026-06-12T05:08:27.641Z"
}Tags
x402
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