---
updatedAt: 2026-05-22T09:35:01.000Z
agentTools:
  projectIndex: https://doc.fintecture.com/llms.txt
---

# Update bank account

Update a bank account by its bank_account_id.

<blockquote style="background: #D7E9FF;border-color: #1471EB;padding: 0.8rem;border-radius: 5px;"><p>🔒 This endpoint requires an <a href="https://doc.fintecture.com/docs/request-an-oac-access-token">OAC</a> (Organisation Access Credentials — ⚠️ Beta) access token with the <b>bank_accounts:write</b> scope.</p></blockquote>


# OpenAPI definition

```json
{
  "openapi": "3.0.3",
  "info": {
    "title": "API EXPLORER",
    "version": "3.0.0",
    "description": "Public API\n",
    "contact": {
      "name": "Support",
      "email": "noelia.rodriguez@fintecture.com"
    }
  },
  "x-readme": {
    "explorer-enabled": false,
    "proxy-enabled": false,
    "samples-languages": [
      "curl",
      "javascript",
      "ruby"
    ]
  },
  "servers": [
    {
      "url": "https://api.sandbox.fintecture.com",
      "description": "Sandbox server"
    },
    {
      "url": "https://api.fintecture.com",
      "description": "Production server"
    }
  ],
  "paths": {
    "/v1/bank_accounts/{bank_account_id}": {
      "patch": {
        "security": [
          {
            "OAuth2Oac": [
              "bank_accounts:write"
            ]
          }
        ],
        "tags": [
          "bank_accounts"
        ],
        "summary": "Update bank account",
        "description": "Update a bank account by its bank_account_id.\n\n<blockquote style=\"background: #D7E9FF;border-color: #1471EB;padding: 0.8rem;border-radius: 5px;\"><p>🔒 This endpoint requires an <a href=\"https://doc.fintecture.com/docs/request-an-oac-access-token\">OAC</a> (Organisation Access Credentials — ⚠️ Beta) access token with the <b>bank_accounts:write</b> scope.</p></blockquote>\n",
        "parameters": [
          {
            "in": "path",
            "name": "bank_account_id",
            "required": true,
            "description": "The unique identifier of the bank account",
            "schema": {
              "type": "string",
              "pattern": "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$"
            }
          },
          {
            "$ref": "#/components/parameters/Header-signature-req"
          },
          {
            "$ref": "#/components/parameters/Header-date-req"
          },
          {
            "$ref": "#/components/parameters/Header-xRequestId-req"
          }
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/BankAccountUpdateRequest"
              },
              "examples": {
                "updateBankAccount": {
                  "summary": "Update bank account",
                  "value": {
                    "data": {
                      "type": "bank_accounts",
                      "attributes": {
                        "commercial_name": "Secondary Business Account",
                        "description": "Updated description for this account"
                      }
                    }
                  }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Bank account updated successfully",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "required": [
                    "data"
                  ],
                  "additionalProperties": false,
                  "properties": {
                    "data": {
                      "$ref": "#/components/schemas/BankAccountResourceBase"
                    }
                  }
                },
                "examples": {
                  "bankAccountUpdated": {
                    "summary": "Bank account updated",
                    "value": {
                      "data": {
                        "type": "bank_accounts",
                        "id": "7d8f2e4a-1b3c-4d5e-9f6a-8b7c6d5e4f3a",
                        "attributes": {
                          "iban": "FR7630004000031234567890143",
                          "swift_bic": "BNPAFRPP",
                          "name": "BNP Paribas",
                          "commercial_name": "Secondary Business Account",
                          "description": "Updated description for this account"
                        }
                      }
                    }
                  }
                }
              }
            }
          },
          "400": {
            "$ref": "#/components/responses/400-BadRequest"
          },
          "401": {
            "$ref": "#/components/responses/401-Unauthorized"
          },
          "403": {
            "$ref": "#/components/responses/403-Forbidden"
          },
          "404": {
            "$ref": "#/components/responses/404-NotFound"
          },
          "406": {
            "$ref": "#/components/responses/406-NotAcceptable"
          },
          "500": {
            "$ref": "#/components/responses/500-InternalServerError"
          }
        }
      }
    }
  },
  "components": {
    "parameters": {
      "Header-date-req": {
        "name": "date",
        "description": "RFC2822 formatted date.",
        "schema": {
          "$ref": "#/components/schemas/DateRfc2822"
        },
        "in": "header",
        "required": true
      },
      "Header-signature-req": {
        "name": "signature",
        "description": "Signature is used to enforce security by signing request.<br>Related documentation can be found by clicking [<b>here</b>](https://doc.fintecture.com/docs/api-http-signature)",
        "schema": {
          "type": "string"
        },
        "in": "header",
        "required": true
      },
      "Header-xRequestId-req": {
        "name": "x-request-id",
        "description": "uuid v4. Required in Redirect mode.",
        "schema": {
          "$ref": "#/components/schemas/IdentifierUuidV4"
        },
        "in": "header",
        "required": true
      }
    },
    "responses": {
      "400-BadRequest": {
        "content": {
          "application/json": {
            "schema": {
              "$ref": "#/components/schemas/APIResponse400"
            }
          }
        },
        "description": "bad request"
      },
      "401-Unauthorized": {
        "content": {
          "application/json": {
            "schema": {
              "$ref": "#/components/schemas/APIResponse401"
            }
          }
        },
        "description": "unauthorized"
      },
      "403-Forbidden": {
        "content": {
          "application/json": {
            "schema": {
              "$ref": "#/components/schemas/APIResponse403"
            }
          }
        },
        "description": "forbidden"
      },
      "404-NotFound": {
        "content": {
          "application/json": {
            "schema": {
              "$ref": "#/components/schemas/APIResponse404"
            }
          }
        },
        "description": "resource not found"
      },
      "406-NotAcceptable": {
        "content": {
          "application/json": {
            "schema": {
              "$ref": "#/components/schemas/APIResponse406"
            }
          }
        },
        "description": "not acceptable"
      },
      "500-InternalServerError": {
        "content": {
          "application/json": {
            "schema": {
              "$ref": "#/components/schemas/APIResponse500"
            }
          }
        },
        "description": "internal server error"
      }
    },
    "schemas": {
      "BankAccountResourceBase": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "type",
          "id",
          "attributes"
        ],
        "properties": {
          "type": {
            "type": "string",
            "enum": [
              "bank_accounts"
            ],
            "description": "The type of the resource object, always 'bank_accounts' for this schema"
          },
          "id": {
            "type": "string",
            "description": "The unique identifier (UUID) of the bank account",
            "pattern": "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$"
          },
          "attributes": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
              "iban": {
                "type": "string",
                "description": "International Bank Account Number",
                "minLength": 15,
                "maxLength": 34
              },
              "swift_bic": {
                "type": "string",
                "description": "SWIFT/BIC code of the bank",
                "maxLength": 11
              },
              "name": {
                "type": "string",
                "description": "Name of the bank"
              },
              "commercial_name": {
                "type": "string",
                "description": "Commercial name for the bank account"
              },
              "description": {
                "type": "string",
                "description": "Free-text description for the bank account",
                "maxLength": 255
              }
            }
          }
        }
      },
      "BankAccountUpdateRequest": {
        "type": "object",
        "required": [
          "data"
        ],
        "additionalProperties": false,
        "properties": {
          "data": {
            "type": "object",
            "required": [
              "type",
              "attributes"
            ],
            "additionalProperties": false,
            "properties": {
              "type": {
                "type": "string",
                "enum": [
                  "bank_accounts"
                ]
              },
              "attributes": {
                "type": "object",
                "additionalProperties": false,
                "properties": {
                  "iban": {
                    "type": "string",
                    "description": "International Bank Account Number",
                    "minLength": 15,
                    "maxLength": 34
                  },
                  "swift_bic": {
                    "type": "string",
                    "description": "SWIFT/BIC code of the bank",
                    "maxLength": 11
                  },
                  "commercial_name": {
                    "type": "string",
                    "description": "Commercial name for the bank account"
                  },
                  "description": {
                    "type": "string",
                    "description": "Free-text description for the bank account",
                    "maxLength": 255
                  }
                }
              }
            }
          }
        }
      },
      "APIResponse400": {
        "title": "400 API Response",
        "description": "Definition of the standard API reponse when a 400",
        "type": "object",
        "properties": {
          "status": {
            "format": "int32",
            "description": "HTTP status code",
            "type": "integer",
            "example": 400
          },
          "code": {
            "type": "string",
            "enum": [
              "bad_request",
              "provider_error"
            ],
            "example": "bad_request"
          },
          "log_id": {
            "allOf": [
              {
                "$ref": "#/components/schemas/IdentifierUuidV4"
              },
              {
                "description": "Log unique identifier"
              }
            ]
          },
          "errors": {
            "description": "Errors returned",
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/APIResponse400Error"
            }
          }
        }
      },
      "APIResponse400Error": {
        "title": "API Response 400 Error",
        "description": "API Response 400 Error description",
        "type": "object",
        "properties": {
          "code": {
            "type": "string",
            "enum": [
              "bad_request",
              "customer_unknown",
              "account_unknown",
              "session_id_invalid_or_expired",
              "invalid_field",
              "mandatory_field_missing",
              "invalid_debited_account"
            ],
            "example": "bad_request"
          },
          "title": {
            "description": "Title message",
            "type": "string",
            "example": "Bad request"
          },
          "message": {
            "description": "Error message",
            "type": "string",
            "example": "Invalid parameters or malformed syntax."
          }
        }
      },
      "APIResponse401": {
        "title": "401 API Response",
        "description": "Definition of the standard API reponse when a 401",
        "type": "object",
        "properties": {
          "status": {
            "format": "int32",
            "description": "HTTP status code",
            "type": "integer",
            "example": 401
          },
          "code": {
            "type": "string",
            "enum": [
              "unauthorized"
            ],
            "example": "unauthorized"
          },
          "log_id": {
            "allOf": [
              {
                "$ref": "#/components/schemas/IdentifierUuidV4"
              },
              {
                "description": "Log unique identifier"
              }
            ]
          },
          "errors": {
            "description": "Errors returned",
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/APIResponse401Error"
            }
          }
        }
      },
      "APIResponse401Error": {
        "title": "API Response 401 Error",
        "description": "API Response 401 Error description",
        "type": "object",
        "properties": {
          "code": {
            "type": "string",
            "enum": [
              "invalid_token",
              "invalid_scopes",
              "invalid_code",
              "invalid_app_id",
              "invalid_app_url"
            ],
            "example": "bad_request"
          },
          "title": {
            "description": "Title message",
            "type": "string",
            "example": "Invalid token"
          },
          "message": {
            "description": "Error message",
            "type": "string",
            "example": "The token is either invalid or expired."
          }
        }
      },
      "APIResponse403": {
        "title": "403 API Response",
        "description": "Definition of the standard API reponse when a 403",
        "type": "object",
        "properties": {
          "status": {
            "format": "int32",
            "description": "HTTP status code",
            "type": "integer",
            "example": 403
          },
          "code": {
            "type": "string",
            "enum": [
              "forbidden"
            ],
            "example": "forbidden"
          },
          "log_id": {
            "allOf": [
              {
                "$ref": "#/components/schemas/IdentifierUuidV4"
              },
              {
                "description": "Log unique identifier"
              }
            ]
          },
          "errors": {
            "description": "Errors returned",
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/APIResponse403Error"
            }
          }
        }
      },
      "APIResponse403Error": {
        "title": "API Response 403 Error",
        "description": "API Response 403 Error description",
        "type": "object",
        "properties": {
          "code": {
            "type": "string",
            "enum": [
              "forbidden"
            ],
            "example": "forbidden"
          },
          "title": {
            "description": "Title message",
            "type": "string",
            "example": "Forbidden"
          },
          "message": {
            "description": "Error message",
            "type": "string",
            "example": "Access Forbidden."
          }
        }
      },
      "APIResponse404": {
        "title": "404 API Response",
        "description": "Definition of the standard API reponse when a 404",
        "type": "object",
        "properties": {
          "status": {
            "format": "int32",
            "description": "HTTP status code",
            "type": "integer",
            "example": 404
          },
          "code": {
            "type": "string",
            "enum": [
              "not_found"
            ],
            "example": "not_found"
          },
          "log_id": {
            "allOf": [
              {
                "$ref": "#/components/schemas/IdentifierUuidV4"
              },
              {
                "description": "Log unique identifier"
              }
            ]
          },
          "errors": {
            "description": "Errors returned",
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/APIResponse404Error"
            }
          }
        }
      },
      "APIResponse404Error": {
        "title": "API Response 404 Error",
        "description": "API Response 404 Error description",
        "type": "object",
        "properties": {
          "code": {
            "type": "string",
            "enum": [
              "not_found"
            ],
            "example": "not_found"
          },
          "title": {
            "description": "Title message",
            "type": "string",
            "example": "Not found"
          },
          "message": {
            "description": "Error message",
            "type": "string",
            "example": "The requested resource could not be found. The requested resource either does not exist or is temporarily down."
          }
        }
      },
      "APIResponse406": {
        "title": "406 API Response",
        "description": "Definition of the standard API reponse when a 406",
        "type": "object",
        "properties": {
          "status": {
            "format": "int32",
            "description": "HTTP status confirmation",
            "type": "integer",
            "example": 406
          },
          "code": {
            "type": "string",
            "enum": [
              "ERR_NOT_ACCEPTABLE"
            ],
            "example": "ERR_NOT_ACCEPTABLE"
          },
          "log_id": {
            "allOf": [
              {
                "$ref": "#/components/schemas/IdentifierUuidV4"
              },
              {
                "description": "Log unique identifier"
              }
            ]
          },
          "errors": {
            "description": "Errors returned",
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/APIResponse406Error"
            }
          }
        }
      },
      "APIResponse406Error": {
        "title": "API Response 406 Error",
        "description": "API Response 406 Error description",
        "type": "object",
        "properties": {
          "code": {
            "type": "string",
            "enum": [
              "SCHEMA_VALIDATION_ERROR"
            ],
            "example": "SCHEMA_VALIDATION_ERROR"
          },
          "title": {
            "description": "Title message",
            "type": "string",
            "example": "Schema validation error"
          },
          "detail": {
            "description": "Error message",
            "type": "string",
            "example": "must NOT have fewer than 1 characters"
          }
        }
      },
      "APIResponse500": {
        "title": "500 API Response",
        "description": "Definition of the standard API reponse when a 500",
        "type": "object",
        "properties": {
          "status": {
            "format": "int32",
            "description": "HTTP status code",
            "type": "integer",
            "example": 500
          },
          "code": {
            "type": "string",
            "enum": [
              "internal_server_error"
            ],
            "example": "internal_server_error"
          },
          "log_id": {
            "allOf": [
              {
                "$ref": "#/components/schemas/IdentifierUuidV4"
              },
              {
                "description": "Log unique identifier"
              }
            ]
          },
          "errors": {
            "description": "Errors returned",
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/APIResponse500Error"
            }
          }
        }
      },
      "APIResponse500Error": {
        "title": "API Response 500 Error",
        "description": "API Response 500 Error description",
        "type": "object",
        "properties": {
          "code": {
            "type": "string",
            "enum": [
              "internal_server_error"
            ],
            "example": "internal_server_error"
          },
          "title": {
            "description": "Title message",
            "type": "string",
            "example": "Internal Server Error"
          },
          "message": {
            "description": "Error message",
            "type": "string",
            "example": "An internal error has occurred. If the error persists, please contact our support."
          }
        }
      },
      "DateRfc2822": {
        "title": "Date in rfc 2822 format",
        "description": "Date as described in rfc 2822 format",
        "type": "string",
        "example": "Thu, 18 Jun 2020 18:14:15 GMT"
      },
      "IdentifierUuidV4": {
        "title": "UUID V4 identifier",
        "description": "UUID V4 identifier",
        "pattern": "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$",
        "type": "string",
        "example": "dc5b0048-2a80-4a22-b2f9-fad7d72f074d"
      }
    },
    "securitySchemes": {
      "OAuth2Oac": {
        "type": "oauth2",
        "x-default": "<ACCESS TOKEN>",
        "description": "OAC (Organisation Access Credentials — ⚠️ Beta) access token, sent as `Authorization: Bearer {access_token}`.\n\nObtain it from `POST /oauth/accesstoken` with `grant_type=client_credentials`, authenticating with the OAC `client_id` and `client_secret` as Basic credentials (`Basic base64({client_id}:{client_secret})`). The token is valid for 1 hour. See the [OAC guide](https://doc.fintecture.com/docs/request-an-oac-access-token).\n\nThe token only grants the scopes requested when it was created; each endpoint declares the scopes it requires.\n",
        "flows": {
          "clientCredentials": {
            "tokenUrl": "/oauth/accesstoken",
            "scopes": {
              "organisations:read": "Read access to organisation nodes",
              "organisations:write": "Write access to organisation nodes",
              "companies:read": "Read access to companies",
              "companies:write": "Write access to companies",
              "users:read": "Read access to users and memberships",
              "users:write": "Write access to users and memberships",
              "applications:read": "Read access to applications",
              "applications:write": "Write access to applications",
              "bank_accounts:read": "Read access to bank accounts",
              "bank_accounts:write": "Write access to bank accounts"
            }
          }
        }
      }
    }
  }
}
```