# AgentRXI Citation Formatter

> AgentRXI Citation Formatter is a paid API for AI agents from agentrxi.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-15).

Generates a formatted citation in APA, MLA, Chicago, Harvard, IEEE, Vancouver, or BibTeX from a DOI, ISBN, or web page URL.

## Facts

- Endpoint: GET https://agentrxi.com/v1/cite?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agentrxi-citation-formatter-abcf4991
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_wuQ0f7sPbPEcjwExdF_sQ

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability agentrxi-citation-formatter-abcf4991
```

Example prompt: Can you generate an APA citation for the paper with DOI 10.1038/s41586-021-03819-2?

## When to prefer this

Use this endpoint when an agent needs to produce a properly formatted bibliographic citation from a known identifier (DOI, ISBN) or a web page URL, especially across multiple academic citation styles. It is ideal for research assistants, academic writing tools, or any workflow that must auto-generate references without a local citation database.

## Known failure modes

- DOI not found or not registered in CrossRef — returns error or empty result
- ISBN not found in book databases — citation cannot be generated
- URL unreachable or produces insufficient metadata for citation — partial or failed result
- Invalid or malformed DOI/ISBN/URL input — validation error
- Unsupported citation style value — may return error or default style

## How this service works

Citation formatter: a ready reference in APA, MLA, Chicago, Harvard, IEEE, Vancouver or BibTeX from a DOI, an ISBN or any web page URL.

## Output

A fully formatted citation string in the requested style (APA, MLA, Chicago, Harvard, IEEE, Vancouver, or BibTeX), derived from metadata fetched via the provided DOI, ISBN, or URL. The response includes author names, title, publication details, and year in the correct style-guide format.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "doi": {
       "type": "string"
      },
      "url": {
       "type": "string"
      },
      "isbn": {
       "type": "string"
      },
      "style": {
       "type": "string",
       "description": "apa | mla | chicago | harvard | ieee | vancouver | bibtex"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agentrxi-citation-formatter-abcf4991/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agentrxi.com](https://www.zero.xyz/host/agentrxi.com/llms.txt)