---
updatedAt: 2025-12-16T09:38:48.000Z
---

Fetch the complete documentation index at: https://apidocs.hibob.com/llms.txt. Use this file to discover all available pages before exploring further.

# Get Project Client Metadata

Returns the project client fields (out-of-the-box only) fields and custom fields. Use the field ID in fields and filters when calling the <a href="/reference/post_attendance-project-clients-search" target="_blank">project client search endpoint</a>.


# OpenAPI definition

```json
{
  "openapi": "3.1.1",
  "info": {
    "title": "Attendance API",
    "contact": {
      "name": "Hi Bob, Inc."
    },
    "description": "Public API for importing attendance entries and managing attendance projects, tasks, and clients. Supports detailed field metadata and flexible filtering.",
    "license": {
      "name": "Proprietary",
      "url": "https://apidocs.hibob.com/docs/api-terms-of-use"
    },
    "version": "1.0.0"
  },
  "servers": [
    {
      "url": "https://api.hibob.com/v1",
      "description": "Production"
    },
    {
      "url": "https://api.sandbox.hibob.com/v1",
      "description": "Sandbox"
    }
  ],
  "x-readme": {
    "metrics-enabled": false
  },
  "tags": [
    {
      "name": "Projects",
      "description": "Operations for managing attendance projects, tasks and clients"
    }
  ],
  "paths": {
    "/attendance/project-clients/metadata": {
      "get": {
        "operationId": "get_attendance-project-clients-metadata",
        "tags": [
          "Projects"
        ],
        "summary": "Get Project Client Metadata",
        "description": "Returns the project client fields (out-of-the-box only) fields and custom fields. Use the field ID in fields and filters when calling the <a href=\"/reference/post_attendance-project-clients-search\" target=\"_blank\">project client search endpoint</a>.\n",
        "responses": {
          "200": {
            "description": "Project client fields metadata",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/MetadataResponse"
                },
                "example": {
                  "items": [
                    {
                      "id": "projectClient",
                      "displayName": "The Project Client Object",
                      "fields": [
                        {
                          "id": "/projectClient/id",
                          "type": {
                            "dataType": "entity_id"
                          },
                          "propertiesValues": {
                            "displayName": {
                              "value": "ID"
                            },
                            "description": {
                              "value": ""
                            },
                            "isRequired": {
                              "value": false
                            }
                          }
                        },
                        {
                          "id": "/projectClient/name",
                          "type": {
                            "dataType": "text"
                          },
                          "propertiesValues": {
                            "displayName": {
                              "value": "Name"
                            },
                            "description": {
                              "value": "The name of the client"
                            },
                            "isRequired": {
                              "value": true
                            }
                          }
                        }
                      ]
                    }
                  ]
                }
              }
            }
          },
          "400": {
            "description": "The request is malformed or includes invalid parameters",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ApiErrorResponse"
                }
              }
            }
          },
          "401": {
            "description": "Authentication failed. Check your service user credentials",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ApiErrorResponse"
                }
              }
            }
          },
          "403": {
            "description": "The service user or token is missing the required permissions to access the requested data",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ApiErrorResponse"
                }
              }
            }
          },
          "429": {
            "description": "Rate limit exceeded - see <a href=\"https://apidocs.hibob.com/reference/project-clients#rate-limiting\">Rate limits</a>",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ApiErrorResponse"
                }
              }
            }
          },
          "500": {
            "description": "An unexpected error occurred. Try again or contact support if the issue persists.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ApiErrorResponse"
                }
              }
            }
          }
        },
        "security": [
          {
            "basic": []
          },
          {
            "Bearer": []
          }
        ]
      }
    }
  },
  "components": {
    "securitySchemes": {
      "basic": {
        "type": "http",
        "scheme": "basic",
        "description": "Basic HTTP authentication using service user credentials"
      },
      "Bearer": {
        "type": "http",
        "scheme": "bearer",
        "bearerFormat": "OAuth 2.0",
        "description": "OAuth 2.0 authentication using an Access Token is available for registered partners only.  Try It! does not support the full HiBob OAuth flow. You can follow <a href=\"https://apidocs.hibob.com/reference/oauth-20#testing-from-the-public-api-reference\" target=\"_blank\">these steps</a> to complete the OAuth 2.0 flow in Postman and then paste the token here."
      }
    },
    "schemas": {
      "ApiErrorResponse": {
        "type": "object",
        "properties": {
          "key": {
            "type": "string",
            "description": "Error key identifier"
          },
          "error": {
            "type": "string",
            "description": "Human-readable error message"
          },
          "args": {
            "type": "array",
            "description": "Optional error arguments providing additional context",
            "items": {
              "type": "string"
            }
          }
        }
      },
      "FieldMetadata": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string",
            "description": "Field identifier path"
          },
          "type": {
            "type": "object",
            "properties": {
              "dataType": {
                "type": "string",
                "enum": [
                  "text",
                  "long_text",
                  "number",
                  "boolean",
                  "date",
                  "entity_id",
                  "currency_value",
                  "json",
                  "objectReference"
                ],
                "description": "The data type of a field"
              },
              "typeData": {
                "type": "object",
                "description": "Additional type-specific data (e.g., reference information for objectReference types)",
                "properties": {
                  "referenceId": {
                    "type": "string",
                    "description": "The referenced object type ID (used with objectReference dataType)",
                    "example": "projectClient"
                  }
                }
              }
            }
          },
          "propertiesValues": {
            "type": "object",
            "description": "Field display properties and constraints",
            "properties": {
              "displayName": {
                "description": "Human-readable label for the field",
                "type": "object",
                "properties": {
                  "value": {
                    "type": "string"
                  }
                }
              },
              "description": {
                "type": "object",
                "description": "Description of how the field is used and other notes",
                "properties": {
                  "value": {
                    "type": "string"
                  }
                }
              },
              "isRequired": {
                "type": "object",
                "description": "Whether the field is required when creating records",
                "properties": {
                  "value": {
                    "type": "boolean"
                  }
                }
              }
            }
          }
        }
      },
      "MetadataObject": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string",
            "description": "Object type identifier"
          },
          "displayName": {
            "type": "string",
            "description": "Human-readable name"
          },
          "fields": {
            "type": "array",
            "description": "List of fields available on this object type",
            "items": {
              "$ref": "#/components/schemas/FieldMetadata"
            }
          }
        }
      },
      "MetadataResponse": {
        "type": "object",
        "properties": {
          "items": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/MetadataObject"
            }
          }
        }
      }
    }
  }
}
```