---
updatedAt: 2026-03-09T13:22:35.000Z
agentTools:
  projectIndex: https://docs.a-leads.co/llms.txt
---

# Similar Company Search

<br />

## Rate Limits

* **200requests per minute**
* **600 requests per hour**
* **6,000 requests per day**

**Each call costs 1 credit**

# OpenAPI definition

```json
{
  "openapi": "3.0.0",
  "info": {
    "title": "Advanced Search API",
    "version": "1.0.0",
    "description": "API for performing advanced searches using multiple filters."
  },
  "servers": [
    {
      "url": "https://api.a-leads.co/gateway/v1/company-search",
      "description": "Production server"
    },
    {
      "url": "https://api.a-leads.co/gateway/v1/company-search",
      "description": "Staging server"
    }
  ],
  "paths": {
    "/similar": {
      "post": {
        "summary": "Find Similar companies based on the company_id",
        "tags": [
          "Search"
        ],
        "security": [
          {
            "ApiKeyAuth": []
          }
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "company_ids": {
                    "type": "array",
                    "items": {
                      "type": "string"
                    },
                    "description": "Filter for specific organizations by entering the organizations names",
                    "example": [
                      "6068905",
                      "6068904"
                    ]
                  },
                  "page": {
                    "type": "integer",
                    "example": [
                      0
                    ]
                  },
                  "page_size": {
                    "type": "integer",
                    "example": 3
                  }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Successful response",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "message": {
                      "type": "object",
                      "properties": {
                        "status": {
                          "type": "string",
                          "example": "success"
                        },
                        "statusCode": {
                          "type": "integer",
                          "example": 200
                        },
                        "description": {
                          "type": "string",
                          "example": "Advanced search successful"
                        }
                      }
                    },
                    "data": {
                      "type": "array",
                      "description": "Array of search results",
                      "items": {
                        "type": "object",
                        "properties": {
                          "categories_and_keywords": {
                            "type": "array",
                            "items": {
                              "type": "string"
                            },
                            "example": [
                              "technology/software",
                              "url shortener",
                              "goo.io"
                            ]
                          },
                          "website": {
                            "type": "string",
                            "example": "https://www.google.com"
                          },
                          "company_id": {
                            "type": "integer",
                            "example": 3252082
                          },
                          "company_headcount": {
                            "type": "integer",
                            "example": 308346
                          },
                          "industry": {
                            "type": "string",
                            "example": "Software Development"
                          },
                          "company_linkedin_url": {
                            "type": "string",
                            "example": "https://www.linkedin.com/company/google"
                          },
                          "mapped_company_size": {
                            "type": "integer",
                            "example": 9
                          },
                          "hq_full_address": {
                            "type": "string",
                            "example": "1600 Amphitheatre Parkway; Mountain View, CA 94043, US"
                          },
                          "domain": {
                            "type": "string",
                            "example": "google.com"
                          },
                          "company_name": {
                            "type": "string",
                            "example": "Google"
                          },
                          "size_range": {
                            "type": "string",
                            "example": "10,001+ employees"
                          },
                          "employees_count": {
                            "type": "integer",
                            "example": 312960
                          },
                          "description_metadata_raw": {
                            "type": "string",
                            "example": "Find your next job at Google — Careers at Google."
                          },
                          "document_id": {
                            "type": "string",
                            "example": "Find your next job at Google — Careers at Google."
                          },
                          "_score": {
                            "type": "integer",
                            "nullable": true,
                            "example": 100
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          },
          "400": {
            "description": "Bad Request"
          },
          "500": {
            "description": "Internal Server Error"
          }
        }
      }
    }
  },
  "components": {
    "securitySchemes": {
      "ApiKeyAuth": {
        "type": "apiKey",
        "in": "header",
        "name": "x-api-key"
      }
    }
  }
}
```