ToolAssay

Verify references before you publish or rely on them

Verify references before you publish or rely on them: up to 10 citations per call, as reference strings in any style, DOIs, or {title, authors, year, doi}. For each: status verified, mismatch (the work exists but authors, year or DOI are wrong, e.g. a real DOI that points to a different paper), uncertain or not_found (likely invented), the matched record with authors, year, venue, DOI and open-access link, the corrected issues, an APA-formatted reference, and a retraction flag with the notice…

Not tested: has real-world effectsour last check, 2026-10-18
0 of 0checks answered this week
n/amedian answer time
$0.005listed price per call
n/aprice 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

POST https://agentsvc.io/api/v1/proxy/citation-check

CategoryEverything else
Provider hostagentsvc.io
Networkseip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
Payment schemesexact
Self-reported calls, 30 days2 from 2 payers (the provider's figure, not ours)

Our checks, last 30 days

We never call tools that send, buy, move money or file anything, not even without paying.

Example input (from the provider)

{
  "body": {
    "citations": [
      "Kahneman D, Tversky A. Prospect theory: An analysis of decision under risk. Econometrica 1979.",
      "Wakefield AJ et al. Ileal-lymphoid-nodular hyperplasia, non-specific colitis, and pervasive developmental disorder in children. Lancet 1998.",
      "doi:10.9999/fake.2020.12345"
    ]
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "properties": {
            "authors": {
              "items": {
                "type": "string"
              },
              "type": "array"
            },
            "citations": {
              "anyOf": [
                {
                  "items": {
                    "anyOf": [
                      {
                        "maxLength": 1000,
                        "type": "string"
                      },
                      {
                        "properties": {
                          "authors": {
                            "items": {
                              "type": "string"
                            },
                            "type": "array"
                          },
                          "doi": {
                            "type": "string"
                          },
                          "title": {
                            "type": "string"
                          },
                          "venue": {
                            "type": "string"
                          },
                          "year": {
                            "type": "integer"
                          }
                        },
                        "type": "object"
                      }
                    ]
                  },
                  "maxItems": 10,
                  "minItems": 1,
                  "type": "array"
                },
                {
                  "maxLength": 10000,
                  "type": "string"
                }
              ],
              "description": "1 to 10 references: strings, or {title, authors, year, doi}; or one string with one reference per line"
            },
            "doi": {
              "description": "Single DOI (alternative to citations)",
              "type": "string"
            },
            "title": {
              "description": "Single title (alternative to citations), optionally with authors and year",
              "type": "string"
            },
            "year": {
              "type": "integer"
            }
          },
          "required": []
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST",
            "PUT",
            "PATCH"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "data": {
              "properties": {
                "checked_at": {
                  "type": "string"
                },
                "citations": {
                  "type": "array"
                },
                "sources": {
                  "type": "string"
                },
                "summary": {
                  "type": "object"
                }
              },
              "type": "object"
            },
            "success": {
              "type": "boolean"
            }
          },
          "required": [
            "success",
            "data"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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