{
    "openapi": "3.1.0",
    "info": {
        "title": "Invoice Generator API",
        "summary": "Generate invoice PDFs and UBL e-invoices from invoice details.",
        "description": "HTTP API for generating document PDFs and UBL e-invoices. Data is not stored.\n\nSend `type` on `POST /` to create an invoice, receipt, credit note, quote,\nestimate, pro forma invoice, purchase order, statement, timesheet,\nwork order, or packing slip.\nWhen `type` is omitted, the API creates an invoice.\n\nHuman docs: https://invoice-generator.com/developers\nMarkdown: https://invoice-generator.com/developers.md\n\nThe free plan is limited to 100 invoices per month.\n",
        "version": "1.0.0",
        "contact": {
            "name": "Invoice Generator",
            "url": "https://invoice-generator.com"
        },
        "license": {
            "name": "Proprietary",
            "identifier": "LicenseRef-Invoice-Generator"
        }
    },
    "servers": [
        {
            "url": "https://invoice-generator.com",
            "description": "Production"
        }
    ],
    "security": [
        {
            "bearerAuth": []
        }
    ],
    "tags": [
        {
            "name": "Documents",
            "description": "Generate PDF or UBL files from document details."
        }
    ],
    "paths": {
        "/": {
            "post": {
                "operationId": "createDocumentPdf",
                "tags": [
                    "Documents"
                ],
                "summary": "Create document PDF",
                "description": "Returns a PDF for the requested document type. Accepts `application/json`\nor `application/x-www-form-urlencoded`. When a value is null or zero, the\nfield is omitted from the document, except the required fields `from`,\n`to`, `date`, and `items`.\n",
                "parameters": [
                    {
                        "$ref": "#/components/parameters/AcceptLanguage"
                    }
                ],
                "requestBody": {
                    "required": true,
                    "content": {
                        "application/json": {
                            "schema": {
                                "$ref": "#/components/schemas/DocumentCreateRequest"
                            },
                            "examples": {
                                "invoice": {
                                    "$ref": "#/components/examples/CreateInvoice"
                                },
                                "receipt": {
                                    "$ref": "#/components/examples/CreateReceipt"
                                },
                                "creditNote": {
                                    "$ref": "#/components/examples/CreateCreditNote"
                                },
                                "quote": {
                                    "$ref": "#/components/examples/CreateQuote"
                                },
                                "estimate": {
                                    "$ref": "#/components/examples/CreateEstimate"
                                },
                                "proformaInvoice": {
                                    "$ref": "#/components/examples/CreateProformaInvoice"
                                },
                                "purchaseOrder": {
                                    "$ref": "#/components/examples/CreatePurchaseOrder"
                                },
                                "statement": {
                                    "$ref": "#/components/examples/CreateStatement"
                                },
                                "timesheet": {
                                    "$ref": "#/components/examples/CreateTimesheet"
                                },
                                "workOrder": {
                                    "$ref": "#/components/examples/CreateWorkOrder"
                                },
                                "packingSlip": {
                                    "$ref": "#/components/examples/CreatePackingSlip"
                                }
                            }
                        },
                        "application/x-www-form-urlencoded": {
                            "schema": {
                                "$ref": "#/components/schemas/DocumentCreateRequest"
                            }
                        }
                    }
                },
                "responses": {
                    "200": {
                        "description": "Generated document PDF.",
                        "content": {
                            "application/pdf": {
                                "schema": {
                                    "type": "string",
                                    "format": "binary"
                                }
                            }
                        }
                    },
                    "400": {
                        "$ref": "#/components/responses/ValidationError"
                    },
                    "401": {
                        "$ref": "#/components/responses/Unauthorized"
                    },
                    "429": {
                        "$ref": "#/components/responses/RateLimited"
                    }
                }
            }
        },
        "/ubl": {
            "post": {
                "operationId": "createDocumentUbl",
                "tags": [
                    "Documents"
                ],
                "summary": "Create e-invoice",
                "description": "Returns a UBL e-invoice with the PDF embedded. Supported types are\n`invoice`, `receipt` (Invoice XML), and `credit_note`. Other types\nreturn an error.\n",
                "parameters": [
                    {
                        "$ref": "#/components/parameters/AcceptLanguage"
                    }
                ],
                "requestBody": {
                    "required": true,
                    "content": {
                        "application/json": {
                            "schema": {
                                "$ref": "#/components/schemas/UblCreateRequest"
                            },
                            "examples": {
                                "invoice": {
                                    "$ref": "#/components/examples/CreateInvoice"
                                },
                                "creditNote": {
                                    "$ref": "#/components/examples/CreateCreditNote"
                                }
                            }
                        },
                        "application/x-www-form-urlencoded": {
                            "schema": {
                                "$ref": "#/components/schemas/UblCreateRequest"
                            }
                        }
                    }
                },
                "responses": {
                    "200": {
                        "description": "Generated UBL e-invoice.",
                        "content": {
                            "application/xml": {
                                "schema": {
                                    "type": "string",
                                    "format": "binary"
                                }
                            }
                        }
                    },
                    "400": {
                        "$ref": "#/components/responses/ValidationError"
                    },
                    "401": {
                        "$ref": "#/components/responses/Unauthorized"
                    },
                    "429": {
                        "$ref": "#/components/responses/RateLimited"
                    }
                }
            }
        }
    },
    "components": {
        "securitySchemes": {
            "bearerAuth": {
                "type": "http",
                "scheme": "bearer",
                "description": "API key from Settings > Developer. Example `Authorization: Bearer myApiKey`."
            }
        },
        "parameters": {
            "AcceptLanguage": {
                "name": "Accept-Language",
                "in": "header",
                "required": false,
                "description": "Locale used for document labels. Default is `en-US`. Translations are\navailable in English, French, German, Spanish, and Thai.\n",
                "schema": {
                    "type": "string",
                    "default": "en-US",
                    "examples": [
                        "en-US",
                        "fr-FR",
                        "de-DE",
                        "es-ES",
                        "th-TH"
                    ]
                }
            }
        },
        "schemas": {
            "DocumentCreateRequest": {
                "oneOf": [
                    {
                        "$ref": "#/components/schemas/InvoiceRequest"
                    },
                    {
                        "$ref": "#/components/schemas/ReceiptRequest"
                    },
                    {
                        "$ref": "#/components/schemas/CreditNoteRequest"
                    },
                    {
                        "$ref": "#/components/schemas/QuoteRequest"
                    },
                    {
                        "$ref": "#/components/schemas/EstimateRequest"
                    },
                    {
                        "$ref": "#/components/schemas/ProformaInvoiceRequest"
                    },
                    {
                        "$ref": "#/components/schemas/PurchaseOrderRequest"
                    },
                    {
                        "$ref": "#/components/schemas/StatementRequest"
                    },
                    {
                        "$ref": "#/components/schemas/TimesheetRequest"
                    },
                    {
                        "$ref": "#/components/schemas/WorkOrderRequest"
                    },
                    {
                        "$ref": "#/components/schemas/PackingSlipRequest"
                    }
                ],
                "discriminator": {
                    "propertyName": "type",
                    "mapping": {
                        "invoice": "#/components/schemas/InvoiceRequest",
                        "receipt": "#/components/schemas/ReceiptRequest",
                        "credit_note": "#/components/schemas/CreditNoteRequest",
                        "quote": "#/components/schemas/QuoteRequest",
                        "estimate": "#/components/schemas/EstimateRequest",
                        "proforma_invoice": "#/components/schemas/ProformaInvoiceRequest",
                        "purchase_order": "#/components/schemas/PurchaseOrderRequest",
                        "statement": "#/components/schemas/StatementRequest",
                        "timesheet": "#/components/schemas/TimesheetRequest",
                        "work_order": "#/components/schemas/WorkOrderRequest",
                        "packing_slip": "#/components/schemas/PackingSlipRequest"
                    }
                }
            },
            "UblCreateRequest": {
                "oneOf": [
                    {
                        "$ref": "#/components/schemas/InvoiceRequest"
                    },
                    {
                        "$ref": "#/components/schemas/ReceiptRequest"
                    },
                    {
                        "$ref": "#/components/schemas/CreditNoteRequest"
                    }
                ],
                "discriminator": {
                    "propertyName": "type",
                    "mapping": {
                        "invoice": "#/components/schemas/InvoiceRequest",
                        "receipt": "#/components/schemas/ReceiptRequest",
                        "credit_note": "#/components/schemas/CreditNoteRequest"
                    }
                }
            },
            "SharedDocumentFields": {
                "type": "object",
                "required": [
                    "from",
                    "to",
                    "date",
                    "items"
                ],
                "properties": {
                    "theme": {
                        "type": "string",
                        "enum": [
                            "classic",
                            "slate"
                        ],
                        "default": "classic",
                        "description": "Document appearance."
                    },
                    "logo": {
                        "type": "string",
                        "format": "uri",
                        "description": "URL of your logo."
                    },
                    "from": {
                        "type": "string",
                        "description": "Your organization billing address and contact info. Multiple lines are allowed."
                    },
                    "to": {
                        "type": "string",
                        "description": "Entity being billed. Multiple lines are allowed."
                    },
                    "ship_to": {
                        "type": "string",
                        "description": "Shipping address. Multiple lines are allowed."
                    },
                    "number": {
                        "oneOf": [
                            {
                                "type": "string"
                            },
                            {
                                "type": "number"
                            }
                        ],
                        "description": "Document number."
                    },
                    "currency": {
                        "type": "string",
                        "minLength": 3,
                        "maxLength": 3,
                        "default": "USD",
                        "description": "ISO 4217 3-letter currency code."
                    },
                    "custom_fields": {
                        "type": "array",
                        "default": [],
                        "items": {
                            "$ref": "#/components/schemas/CustomField"
                        }
                    },
                    "date": {
                        "type": "string",
                        "description": "Document date. Defaults to the current date."
                    },
                    "items": {
                        "type": "array",
                        "items": {
                            "$ref": "#/components/schemas/LineItem"
                        }
                    },
                    "fields": {
                        "$ref": "#/components/schemas/SubtotalFields"
                    },
                    "discounts": {
                        "type": "number",
                        "default": 0
                    },
                    "tax": {
                        "type": "number",
                        "default": 0
                    },
                    "shipping": {
                        "type": "number",
                        "default": 0
                    },
                    "notes": {
                        "type": "string"
                    },
                    "terms": {
                        "type": "string"
                    },
                    "header": {
                        "type": "string"
                    },
                    "to_title": {
                        "type": "string"
                    },
                    "ship_to_title": {
                        "type": "string"
                    },
                    "number_title": {
                        "type": "string"
                    },
                    "date_title": {
                        "type": "string"
                    },
                    "payment_terms_title": {
                        "type": "string"
                    },
                    "due_date_title": {
                        "type": "string"
                    },
                    "purchase_order_title": {
                        "type": "string"
                    },
                    "quantity_header": {
                        "type": "string"
                    },
                    "item_header": {
                        "type": "string"
                    },
                    "unit_cost_header": {
                        "type": "string"
                    },
                    "amount_header": {
                        "type": "string"
                    },
                    "subtotal_title": {
                        "type": "string"
                    },
                    "discounts_title": {
                        "type": "string"
                    },
                    "tax_title": {
                        "type": "string"
                    },
                    "shipping_title": {
                        "type": "string"
                    },
                    "total_title": {
                        "type": "string"
                    },
                    "amount_paid_title": {
                        "type": "string"
                    },
                    "balance_title": {
                        "type": "string"
                    },
                    "terms_title": {
                        "type": "string"
                    },
                    "notes_title": {
                        "type": "string"
                    }
                }
            },
            "InvoiceLikeFields": {
                "type": "object",
                "properties": {
                    "purchase_order": {
                        "type": "string",
                        "description": "Purchase order or referenced invoice number."
                    },
                    "payment_terms": {
                        "type": "string"
                    },
                    "due_date": {
                        "type": "string"
                    },
                    "amount_paid": {
                        "type": "number",
                        "default": 0
                    },
                    "payment_methods": {
                        "type": "array",
                        "description": "Payment method objects. UBL uses `{ type: url, name, url }`.\nNot shown on the PDF.\n",
                        "items": {
                            "$ref": "#/components/schemas/PaymentMethod"
                        }
                    }
                }
            },
            "InvoiceRequest": {
                "allOf": [
                    {
                        "$ref": "#/components/schemas/SharedDocumentFields"
                    },
                    {
                        "$ref": "#/components/schemas/InvoiceLikeFields"
                    },
                    {
                        "type": "object",
                        "properties": {
                            "type": {
                                "type": "string",
                                "const": "invoice",
                                "default": "invoice"
                            }
                        }
                    }
                ]
            },
            "ReceiptRequest": {
                "allOf": [
                    {
                        "$ref": "#/components/schemas/SharedDocumentFields"
                    },
                    {
                        "$ref": "#/components/schemas/InvoiceLikeFields"
                    },
                    {
                        "type": "object",
                        "required": [
                            "type"
                        ],
                        "properties": {
                            "type": {
                                "type": "string",
                                "const": "receipt"
                            }
                        }
                    }
                ]
            },
            "CreditNoteRequest": {
                "allOf": [
                    {
                        "$ref": "#/components/schemas/SharedDocumentFields"
                    },
                    {
                        "type": "object",
                        "required": [
                            "type"
                        ],
                        "properties": {
                            "type": {
                                "type": "string",
                                "const": "credit_note"
                            },
                            "purchase_order": {
                                "type": "string",
                                "description": "Referenced invoice number."
                            },
                            "amount_refunded": {
                                "type": "number",
                                "default": 0
                            }
                        }
                    }
                ]
            },
            "QuoteRequest": {
                "allOf": [
                    {
                        "$ref": "#/components/schemas/SharedDocumentFields"
                    },
                    {
                        "type": "object",
                        "required": [
                            "type"
                        ],
                        "properties": {
                            "type": {
                                "type": "string",
                                "const": "quote"
                            },
                            "purchase_order": {
                                "type": "string"
                            },
                            "payment_terms": {
                                "type": "string"
                            }
                        }
                    }
                ]
            },
            "EstimateRequest": {
                "allOf": [
                    {
                        "$ref": "#/components/schemas/SharedDocumentFields"
                    },
                    {
                        "type": "object",
                        "required": [
                            "type"
                        ],
                        "properties": {
                            "type": {
                                "type": "string",
                                "const": "estimate"
                            },
                            "purchase_order": {
                                "type": "string"
                            },
                            "payment_terms": {
                                "type": "string"
                            }
                        }
                    }
                ]
            },
            "ProformaInvoiceRequest": {
                "allOf": [
                    {
                        "$ref": "#/components/schemas/SharedDocumentFields"
                    },
                    {
                        "type": "object",
                        "required": [
                            "type"
                        ],
                        "properties": {
                            "type": {
                                "type": "string",
                                "const": "proforma_invoice"
                            },
                            "purchase_order": {
                                "type": "string"
                            },
                            "payment_terms": {
                                "type": "string"
                            }
                        }
                    }
                ]
            },
            "PurchaseOrderRequest": {
                "allOf": [
                    {
                        "$ref": "#/components/schemas/SharedDocumentFields"
                    },
                    {
                        "type": "object",
                        "required": [
                            "type"
                        ],
                        "properties": {
                            "type": {
                                "type": "string",
                                "const": "purchase_order"
                            },
                            "payment_terms": {
                                "type": "string"
                            },
                            "due_date": {
                                "type": "string"
                            }
                        }
                    }
                ]
            },
            "StatementRequest": {
                "allOf": [
                    {
                        "$ref": "#/components/schemas/SharedDocumentFields"
                    },
                    {
                        "$ref": "#/components/schemas/InvoiceLikeFields"
                    },
                    {
                        "type": "object",
                        "required": [
                            "type"
                        ],
                        "properties": {
                            "type": {
                                "type": "string",
                                "const": "statement"
                            },
                            "date_header": {
                                "type": "string"
                            },
                            "reference_header": {
                                "type": "string"
                            },
                            "charges_header": {
                                "type": "string"
                            },
                            "payments_header": {
                                "type": "string"
                            },
                            "payments_title": {
                                "type": "string"
                            }
                        }
                    }
                ]
            },
            "TimesheetRequest": {
                "allOf": [
                    {
                        "$ref": "#/components/schemas/SharedDocumentFields"
                    },
                    {
                        "$ref": "#/components/schemas/InvoiceLikeFields"
                    },
                    {
                        "type": "object",
                        "required": [
                            "type"
                        ],
                        "properties": {
                            "type": {
                                "type": "string",
                                "const": "timesheet"
                            },
                            "date_header": {
                                "type": "string"
                            }
                        }
                    }
                ]
            },
            "WorkOrderRequest": {
                "allOf": [
                    {
                        "$ref": "#/components/schemas/SharedDocumentFields"
                    },
                    {
                        "type": "object",
                        "required": [
                            "type"
                        ],
                        "properties": {
                            "type": {
                                "type": "string",
                                "const": "work_order"
                            },
                            "payment_terms": {
                                "type": "string",
                                "description": "Technician name."
                            },
                            "due_date": {
                                "type": "string",
                                "description": "Scheduled date."
                            }
                        }
                    }
                ]
            },
            "PackingSlipRequest": {
                "allOf": [
                    {
                        "$ref": "#/components/schemas/SharedDocumentFields"
                    },
                    {
                        "type": "object",
                        "required": [
                            "type"
                        ],
                        "properties": {
                            "type": {
                                "type": "string",
                                "const": "packing_slip"
                            },
                            "purchase_order": {
                                "type": "string",
                                "description": "Related invoice number."
                            }
                        }
                    }
                ]
            },
            "LineItem": {
                "type": "object",
                "properties": {
                    "name": {
                        "type": "string"
                    },
                    "quantity": {
                        "type": "number",
                        "default": 1
                    },
                    "unit_cost": {
                        "type": "number",
                        "default": 0
                    },
                    "description": {
                        "type": "string"
                    },
                    "date": {
                        "type": "string",
                        "description": "Used on statements and timesheets."
                    },
                    "reference": {
                        "type": "string",
                        "description": "Used on statements."
                    },
                    "payment": {
                        "type": "number",
                        "description": "Payment amount on a statement line."
                    }
                }
            },
            "CustomField": {
                "type": "object",
                "required": [
                    "name",
                    "value"
                ],
                "properties": {
                    "name": {
                        "type": "string"
                    },
                    "value": {
                        "type": "string"
                    }
                }
            },
            "PaymentMethod": {
                "type": "object",
                "required": [
                    "type",
                    "name",
                    "url"
                ],
                "properties": {
                    "type": {
                        "type": "string",
                        "const": "url"
                    },
                    "name": {
                        "type": "string"
                    },
                    "url": {
                        "type": "string",
                        "format": "uri"
                    }
                }
            },
            "SubtotalFields": {
                "type": "object",
                "description": "Toggles the discounts, tax, and shipping subtotal lines. Each setting\ncan be `%`, `true`, or `false`.\n",
                "properties": {
                    "tax": {
                        "$ref": "#/components/schemas/SubtotalToggle",
                        "default": "%"
                    },
                    "discounts": {
                        "$ref": "#/components/schemas/SubtotalToggle",
                        "default": false
                    },
                    "shipping": {
                        "$ref": "#/components/schemas/SubtotalToggle",
                        "default": false
                    }
                }
            },
            "SubtotalToggle": {
                "oneOf": [
                    {
                        "type": "boolean"
                    },
                    {
                        "type": "string",
                        "enum": [
                            "%"
                        ]
                    }
                ]
            },
            "AuthError": {
                "type": "object",
                "required": [
                    "error",
                    "message"
                ],
                "properties": {
                    "error": {
                        "type": "string",
                        "examples": [
                            "invalid_request"
                        ]
                    },
                    "message": {
                        "type": "string"
                    }
                }
            },
            "ValidationError": {
                "type": "object",
                "required": [
                    "error"
                ],
                "properties": {
                    "error": {
                        "type": "string"
                    }
                }
            },
            "RateLimitError": {
                "type": "object",
                "required": [
                    "type",
                    "message"
                ],
                "properties": {
                    "type": {
                        "type": "string",
                        "examples": [
                            "invalid_request"
                        ]
                    },
                    "message": {
                        "type": "string"
                    }
                }
            }
        },
        "responses": {
            "ValidationError": {
                "description": "The document details could not be validated.",
                "content": {
                    "application/json": {
                        "schema": {
                            "$ref": "#/components/schemas/ValidationError"
                        }
                    }
                }
            },
            "Unauthorized": {
                "description": "Missing, invalid, or inactive API key.",
                "content": {
                    "application/json": {
                        "schema": {
                            "$ref": "#/components/schemas/AuthError"
                        },
                        "examples": {
                            "missing": {
                                "value": {
                                    "error": "invalid_request",
                                    "message": "Missing API key! You must supply an API key in the Authorization header (eg `Authorization: Bearer myApiKey`). You can sign up for a free API key on Invoice-Generator.com."
                                }
                            }
                        }
                    }
                }
            },
            "RateLimited": {
                "description": "Monthly free-plan API limit exceeded.",
                "headers": {
                    "Retry-After": {
                        "description": "Seconds until the limit resets (start of next month).",
                        "schema": {
                            "type": "integer"
                        }
                    }
                },
                "content": {
                    "application/json": {
                        "schema": {
                            "$ref": "#/components/schemas/RateLimitError"
                        }
                    }
                }
            }
        },
        "examples": {
            "CreateInvoice": {
                "summary": "Create invoice",
                "value": {
                    "type": "invoice",
                    "from": "Nikolaus Ltd",
                    "to": "Acme, Corp.",
                    "logo": "https://example.com/img/logo-invoice.png",
                    "number": 1,
                    "date": "Feb 9, 2015",
                    "due_date": "Feb 16, 2015",
                    "purchase_order": "PO-1234",
                    "items": [
                        {
                            "name": "Starter plan monthly",
                            "quantity": 1,
                            "unit_cost": 99
                        }
                    ],
                    "notes": "Thanks for being an awesome customer!",
                    "terms": "Please pay by the due date."
                }
            },
            "CreateReceipt": {
                "summary": "Create receipt",
                "value": {
                    "type": "receipt",
                    "from": "Nikolaus Ltd",
                    "to": "Acme, Corp.",
                    "number": 1,
                    "date": "Feb 9, 2015",
                    "amount_paid": 99,
                    "items": [
                        {
                            "name": "Starter plan",
                            "quantity": 1,
                            "unit_cost": 99
                        }
                    ]
                }
            },
            "CreateCreditNote": {
                "summary": "Create credit note",
                "value": {
                    "type": "credit_note",
                    "from": "Nikolaus Ltd",
                    "to": "Acme, Corp.",
                    "number": "CN-1",
                    "date": "Feb 9, 2015",
                    "purchase_order": "1",
                    "amount_refunded": 25,
                    "items": [
                        {
                            "name": "Unused time",
                            "quantity": 1,
                            "unit_cost": 25
                        }
                    ]
                }
            },
            "CreateQuote": {
                "summary": "Create quote",
                "value": {
                    "type": "quote",
                    "from": "Nikolaus Ltd",
                    "to": "Acme, Corp.",
                    "number": 1,
                    "date": "Feb 9, 2015",
                    "payment_terms": "Valid for 30 days",
                    "items": [
                        {
                            "name": "Website redesign",
                            "quantity": 1,
                            "unit_cost": 2500
                        }
                    ]
                }
            },
            "CreateEstimate": {
                "summary": "Create estimate",
                "value": {
                    "type": "estimate",
                    "from": "Nikolaus Ltd",
                    "to": "Acme, Corp.",
                    "number": 1,
                    "date": "Feb 9, 2015",
                    "payment_terms": "30 days",
                    "items": [
                        {
                            "name": "Repair work",
                            "quantity": 4,
                            "unit_cost": 75
                        }
                    ]
                }
            },
            "CreateProformaInvoice": {
                "summary": "Create pro forma invoice",
                "value": {
                    "type": "proforma_invoice",
                    "from": "Nikolaus Ltd",
                    "to": "Acme, Corp.",
                    "number": 1,
                    "date": "Feb 9, 2015",
                    "items": [
                        {
                            "name": "Deposit",
                            "quantity": 1,
                            "unit_cost": 500
                        }
                    ]
                }
            },
            "CreatePurchaseOrder": {
                "summary": "Create purchase order",
                "value": {
                    "type": "purchase_order",
                    "from": "Acme, Corp.",
                    "to": "Nikolaus Ltd",
                    "number": 1,
                    "date": "Feb 9, 2015",
                    "due_date": "Mar 1, 2015",
                    "items": [
                        {
                            "name": "Office chairs",
                            "quantity": 4,
                            "unit_cost": 120
                        }
                    ]
                }
            },
            "CreateStatement": {
                "summary": "Create statement",
                "value": {
                    "type": "statement",
                    "from": "Nikolaus Ltd",
                    "to": "Acme, Corp.",
                    "number": 1,
                    "date": "Feb 9, 2015",
                    "payment_terms": "Jan 1, 2015",
                    "due_date": "Jan 31, 2015",
                    "items": [
                        {
                            "name": "Invoice 12",
                            "date": "Jan 8, 2015",
                            "reference": "12",
                            "quantity": 1,
                            "unit_cost": 99,
                            "payment": 0
                        }
                    ]
                }
            },
            "CreateTimesheet": {
                "summary": "Create timesheet",
                "value": {
                    "type": "timesheet",
                    "from": "Nikolaus Ltd",
                    "to": "Acme, Corp.",
                    "number": 1,
                    "date": "Feb 9, 2015",
                    "items": [
                        {
                            "name": "Development",
                            "date": "Jan 8, 2015",
                            "quantity": 6,
                            "unit_cost": 85
                        }
                    ]
                }
            },
            "CreateWorkOrder": {
                "summary": "Create work order",
                "value": {
                    "type": "work_order",
                    "from": "Nikolaus Ltd",
                    "to": "Acme, Corp.",
                    "ship_to": "123 Job Site Rd\nAustin, TX",
                    "number": 1,
                    "date": "Feb 9, 2015",
                    "payment_terms": "Alex Rivera",
                    "due_date": "Mar 1, 2015",
                    "items": [
                        {
                            "name": "HVAC repair",
                            "quantity": 2,
                            "unit_cost": 95
                        }
                    ],
                    "notes": "This work order authorizes the listed work. It is not an invoice."
                }
            },
            "CreatePackingSlip": {
                "summary": "Create packing slip",
                "value": {
                    "type": "packing_slip",
                    "from": "Nikolaus Ltd",
                    "to": "Acme, Corp.",
                    "ship_to": "Warehouse 4\nAustin, TX",
                    "number": 1,
                    "date": "Feb 9, 2015",
                    "purchase_order": "INV-88",
                    "items": [
                        {
                            "name": "Office chairs",
                            "quantity": 4
                        }
                    ]
                }
            }
        }
    }
}