# Trouver des articles similaires (/fr/api-reference/endpoint/research-related-papers)

<!-- agent-signals: reading_time_min: 3 · est_tokens: 1824 · updated: 2026-07-30 -->
Related: [Recherche](/fr/api-reference/endpoint/search.md), [Retour sur la recherche](/fr/api-reference/endpoint/search-feedback.md), [Scrape](/fr/api-reference/endpoint/scrape.md), [Scrape par lot](/fr/api-reference/endpoint/batch-scrape.md), [Obtenir l’état d’une extraction par lot](/fr/api-reference/endpoint/batch-scrape-get.md), [Annuler une extraction par lots](/fr/api-reference/endpoint/batch-scrape-delete.md)

Partez d'un article de départ, effectuez une expansion structurelle et classez les articles candidats en fonction d'une `intent` en langage naturel. Utilisez `mode` pour choisir des articles similaires, des articles citants ou des références.

Pour un aperçu du workflow, consultez le [guide de Research Index](/fr/features/research).

`GET /search/research/papers/{id}/similar`

Trouver des articles associés

## OpenAPI

```json
{
  "security": [
    {
      "bearerAuth": []
    }
  ],
  "parameters": [
    {
      "description": "Référence de l’article de départ principal.",
      "examples": {
        "paperId": {
          "summary": "paperId canonique",
          "value": "2014215642691656232"
        },
        "sourceId": {
          "summary": "primaryId spécifique à la source",
          "value": "arxiv:2105.05233"
        }
      },
      "in": "path",
      "name": "id",
      "required": true,
      "schema": {
        "type": "string"
      }
    },
    {
      "description": "Intention de classement/filtrage en langage naturel utilisée pour le classement sémantique.",
      "in": "query",
      "name": "intent",
      "required": true,
      "schema": {
        "minLength": 1,
        "type": "string"
      }
    },
    {
      "description": "Mode d’expansion structurelle.",
      "in": "query",
      "name": "mode",
      "required": false,
      "schema": {
        "default": "similar",
        "enum": [
          "similar",
          "citers",
          "references"
        ],
        "type": "string"
      }
    },
    {
      "description": "Nombre maximal d’articles associés à renvoyer.",
      "in": "query",
      "name": "k",
      "required": false,
      "schema": {
        "default": 40,
        "maximum": 500,
        "minimum": 1,
        "type": "integer"
      }
    },
    {
      "description": "Appliquez un rerank supplémentaire aux candidats fusionnés.",
      "in": "query",
      "name": "rerank",
      "required": false,
      "schema": {
        "type": "boolean"
      }
    },
    {
      "description": "Référence supplémentaire à un article de départ. Répétez ce paramètre pour plusieurs ancres.",
      "in": "query",
      "name": "anchor",
      "required": false,
      "schema": {
        "type": "string"
      }
    }
  ],
  "responses": {
    "200": {
      "content": {
        "application/json": {
          "example": {
            "poolSize": 40,
            "results": [
              {
                "abstract": "We present high quality image synthesis results using diffusion probabilistic models...",
                "ids": {
                  "arxiv": [
                    "2006.11239"
                  ]
                },
                "paperId": "482107036680302043",
                "primaryId": "arxiv:2006.11239",
                "score": 0.032119,
                "signals": {
                  "articleRank": 0.00031,
                  "seedOverlap": 2,
                  "semantic": 0.61,
                  "structural": 12
                },
                "title": "Denoising Diffusion Probabilistic Models"
              }
            ],
            "success": true,
            "truncated": false
          },
          "schema": {
            "properties": {
              "note": {
                "nullable": true,
                "type": "string"
              },
              "poolSize": {
                "minimum": 0,
                "type": "integer"
              },
              "results": {
                "items": {
                  "properties": {
                    "abstract": {
                      "type": "string"
                    },
                    "ids": {
                      "additionalProperties": {
                        "items": {
                          "type": "string"
                        },
                        "type": "array"
                      },
                      "description": "Identifiants source regroupés par espace de noms.",
                      "example": {
                        "arxiv": [
                          "2105.05233"
                        ]
                      },
                      "type": "object"
                    },
                    "paperId": {
                      "description": "ID canonique de l'article, ou web:<url> pour les résultats affichés découverts via la SERP.",
                      "type": "string"
                    },
                    "primaryId": {
                      "description": "ID cite/fetch préféré, tel que arxiv:<id>, pmid:<id>, pmcid:<id> ou doi:<id>.",
                      "type": "string"
                    },
                    "score": {
                      "format": "double",
                      "type": "number"
                    },
                    "signals": {
                      "properties": {
                        "articleRank": {
                          "description": "Score article-rank de l'expansion structurelle.",
                          "format": "double",
                          "type": "number"
                        },
                        "seedOverlap": {
                          "description": "Nombre de graines distinctes reliées à ce candidat.",
                          "minimum": 0,
                          "type": "integer"
                        },
                        "semantic": {
                          "description": "Score sémantique de la recherche par intention.",
                          "format": "double",
                          "type": "number"
                        },
                        "structural": {
                          "description": "Signal structurel brut du graphe.",
                          "format": "double",
                          "type": "number"
                        }
                      },
                      "required": [
                        "structural",
                        "semantic",
                        "articleRank",
                        "seedOverlap"
                      ],
                      "type": "object"
                    },
                    "title": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "paperId",
                    "primaryId",
                    "title",
                    "abstract",
                    "score"
                  ],
                  "type": "object"
                },
                "type": "array"
              },
              "success": {
                "type": "boolean"
              },
              "truncated": {
                "type": "boolean"
              }
            },
            "required": [
              "success",
              "results",
              "poolSize",
              "truncated"
            ],
            "type": "object"
          }
        }
      },
      "description": "Articles associés classés."
    },
    "400": {
      "description": "Requête non valide"
    },
    "401": {
      "description": "Bearer token manquant ou non valide"
    },
    "429": {
      "description": "Limite de requêtes dépassée"
    },
    "500": {
      "description": "Erreur interne du serveur"
    }
  }
}
```