---
updatedAt: 2025-10-12T20:28:09.000Z
agentTools:
  projectIndex: https://docs.checkhq.com/llms.txt
---

# Create a bank account

Defines a bank account, and associates it with an existing company, contractor, or employee.

One of `employee`, `company`, or `contractor` is required.

# OpenAPI definition

```json
{
  "openapi": "3.1.0",
  "info": {
    "title": "check-api",
    "version": "2025-01-01"
  },
  "servers": [
    {
      "url": "https://sandbox.checkhq.com"
    }
  ],
  "components": {
    "securitySchemes": {
      "sec0": {
        "type": "apiKey",
        "in": "header",
        "name": "Authorization",
        "x-bearer-format": "bearer",
        "x-default": "YOUR_API_KEY"
      }
    }
  },
  "security": [
    {
      "sec0": []
    }
  ],
  "paths": {
    "/bank_accounts": {
      "post": {
        "summary": "Create a bank account",
        "description": "Defines a bank account, and associates it with an existing company, contractor, or employee.\n\nOne of `employee`, `company`, or `contractor` is required.",
        "operationId": "create-a-bank-account",
        "requestBody": {
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "employee": {
                    "type": "string",
                    "description": "ID of the [employee](https://docs.checkhq.com/reference/the-employee-object) on the account"
                  },
                  "company": {
                    "type": "string",
                    "description": "ID of the [company](https://docs.checkhq.com/reference/company) on the account"
                  },
                  "contractor": {
                    "type": "string",
                    "description": "ID of the [contractor](https://docs.checkhq.com/reference/the-contractor-object) on the account"
                  },
                  "raw_bank_account": {
                    "type": "object",
                    "required": [
                      "account_number",
                      "routing_number",
                      "subtype"
                    ],
                    "properties": {
                      "account_number": {
                        "type": "string",
                        "description": "The account’s account number"
                      },
                      "routing_number": {
                        "type": "string",
                        "description": "The account’s routing number"
                      },
                      "institution_name": {
                        "type": "string",
                        "description": "The name of the bank holding the account"
                      },
                      "subtype": {
                        "type": "string",
                        "description": "The account’s subtype. Values may be `checking` or `savings`"
                      }
                    }
                  },
                  "plaid_bank_account": {
                    "type": "object",
                    "required": [
                      "plaid_processor_token"
                    ],
                    "properties": {
                      "plaid_processor_token": {
                        "type": "string",
                        "description": "A Check processor token retrieved from the Plaid API"
                      }
                    }
                  },
                  "metadata": {
                    "type": "string",
                    "description": "Additional loosely structured information to associate with this bank account",
                    "format": "json"
                  }
                }
              }
            }
          }
        },
        "responses": {
          "201": {
            "description": "201",
            "content": {
              "application/json": {
                "examples": {
                  "Result": {
                    "value": ""
                  }
                }
              }
            }
          },
          "400": {
            "description": "400",
            "content": {
              "application/json": {
                "examples": {
                  "Result": {
                    "value": ""
                  }
                }
              }
            }
          }
        },
        "deprecated": false
      }
    }
  },
  "x-readme": {
    "headers": [],
    "explorer-enabled": true,
    "proxy-enabled": true
  },
  "x-readme-fauxas": true
}
```