Previous value: -"Local pickup time in 24-hour HH:mm format, in the provider timeZone (Samuelz: Europe/Berlin); not UTC or an offset timestamp."New value: +"Local pickup time in 24-hour HH:mm format, in the configured timeZone returned by get_service_options for the same offerKey; not UTC or an offset timestamp."

Previous value: -"Optional existing published provider offer key. Selects its configured service location; not booking authority."New value: +"Optional existing published provider/supplier offer key. Selects its configured service location; it is not a customer bookingKey or bookingReference and grants no booking access."

Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "status": {
-        "const": "invalid_request",
-        "type": "string"
-      }
-    },
-    "required": [
-      "status"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "bookingUrl": {
-        "format": "uri",
-        "type": "string"
-      },
-      "status": {
-        "const": "unavailable",
-        "type": "string"
-      }
-    },
-    "required": [
-      "status"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "bookingUrl": {
-        "format": "uri",
-        "type": "string"
-      },
-      "retryAfterSeconds": {
-        "exclusiveMinimum": 0,
-        "maximum": 9007199254740991,
-        "type": "integer"
-      },
-      "status": {
-        "const": "rate_limited",
-        "type": "string"
-      }
-    },
-    "required": [
-      "status",
-      "bookingUrl",
-      "retryAfterSeconds"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "bookingUrl": {
-        "format": "uri",
-        "type": "string"
-      },
-      "message": {
-        "type": "string"
-      },
-      "review": {
-        "additionalProperties": false,
-        "properties": {
-          "availabilityConfirmed": {
-            "const": false,
-            "type": "boolean"
-          },
-          "code": {
-            "enum": [
-              "additional_requirements_review",
-              "model_guarantee_review",
-              "address_review",
-              "service_scope_review",
-              "booking_window_review",
-              "route_review"
-            ],
-            "type": "string"
-          },
-          "customerContactRequired": {
-            "const": false,
-            "type": "boolean"
-          },
-          "nextAction": {
-            "const": "review_requirements",
-            "type": "string"
-          }
-        },
-        "required": [
-          "code",
-          "customerContactRequired",
-          "availabilityConfirmed",
-          "nextAction"
-        ],
-        "type": "object"
-      },
-      "status": {
-        "const": "review_required",
-        "type": "string"
-      }
-    },
-    "required": [
-      "status",
-      "bookingUrl",
-      "message"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "bookingConfirmed": {
-        "const": false,
-        "type": "boolean"
-      },
-      "bookingUrl": {
-        "format": "uri",
-        "type": "string"
-      },
-      "nextAction": {
-        "type": "string"
-      },
-      "quote": {
-        "additionalProperties": false,
-        "properties": {
-          "billableHoursPerServiceLine": {
-            "exclusiveMinimum": 0,
-            "type": "number"
-          },
-          "calculatedAt": {
-            "type": "string"
-          },
-          "currency": {
-            "type": "string"
-          },
-          "grossTotalCents": {
-            "maximum": 9007199254740991,
-            "minimum": 0,
-            "type": "integer"
-          },
-          "parkingIncluded": {
-            "type": "boolean"
-          },
-          "pricesIncludeVat": {
-            "type": "boolean"
-          },
-          "revalidationRequired": {
-            "const": true,
-            "type": "boolean"
-          },
-          "serviceLines": {
-            "items": {
-              "additionalProperties": false,
-              "properties": {
-                "direction": {
-                  "enum": [
-                    "outbound",
-                    "return"
-                  ],
-                  "type": "string"
-                },
-                "grossAmountCents": {
-                  "maximum": 9007199254740991,
-                  "minimum": 0,
-                  "type": "integer"
-                }
-              },
-              "required": [
-                "direction",
-                "grossAmountCents"
-              ],
-              "type": "object"
-            },
-            "type": "array"
-          },
-          "tollsIncluded": {
-            "type": "boolean"
-          },
-          "vatRateBasisPoints": {
-            "maximum": 9007199254740991,
-            "minimum": 0,
-            "type": "integer"
-          },
-          "vehicleCount": {
-            "exclusiveMinimum": 0,
-            "maximum": 9007199254740991,
-            "type": "integer"
-          }
-        },
-        "required": [
-          "currency",
-          "grossTotalCents",
-          "pricesIncludeVat",
-          "vatRateBasisPoints",
-          "parkingIncluded",
-          "tollsIncluded",
-          "vehicleCount",
-          "billableHoursPerServiceLine",
-          "serviceLines",
-          "calculatedAt",
-          "revalidationRequired"
-        ],
-        "type": "object"
-      },
-      "status": {
-        "const": "quoted",
-        "type": "string"
-      }
-    },
-    "required": [
-      "status",
-      "bookingUrl",
-      "bookingConfirmed",
-      "quote",
-      "nextAction"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "status": {
+        "const": "invalid_request",
+        "description": "Input does not match this operation's contract; correct the facts before retrying.",
+        "type": "string"
+      }
+    },
+    "required": [
+      "status"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "bookingUrl": {
+        "description": "Published customer booking page for this provider and locale; the URL does not grant private booking access or confirm availability.",
+        "format": "uri",
+        "type": "string"
+      },
+      "status": {
+        "const": "unavailable",
+        "description": "The requested information could not be supplied safely; this is not vehicle-unavailability evidence.",
+        "type": "string"
+      }
+    },
+    "required": [
+      "status"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "bookingUrl": {
+        "description": "Published customer booking page for this provider and locale; the URL does not grant private booking access or confirm availability.",
+        "format": "uri",
+        "type": "string"
+      },
+      "retryAfterSeconds": {
+        "description": "Wait at least this many seconds before retrying the same quote request.",
+        "exclusiveMinimum": 0,
+        "maximum": 9007199254740991,
+        "type": "integer"
+      },
+      "status": {
+        "const": "rate_limited",
+        "description": "Quote admission is currently rate-limited; no quote was returned.",
+        "type": "string"
+      }
+    },
+    "required": [
+      "status",
+      "bookingUrl",
+      "retryAfterSeconds"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "bookingUrl": {
+        "description": "Published customer booking page for this provider and locale; the URL does not grant private booking access or confirm availability.",
+        "format": "uri",
+        "type": "string"
+      },
+      "message": {
+        "description": "Customer-language explanation of the required review.",
+        "type": "string"
+      },
+      "review": {
+        "additionalProperties": false,
+        "description": "Structured review reason and next step when supplied; not an availability confirmation.",
+        "properties": {
+          "availabilityConfirmed": {
+            "const": false,
+            "description": "This review result does not confirm availability.",
+            "type": "boolean"
+          },
+          "code": {
+            "description": "Reason for further requirements, model, address, service-scope, booking-window or route review; not vehicle-unavailability evidence.",
+            "enum": [
+              "additional_requirements_review",
+              "model_guarantee_review",
+              "address_review",
+              "service_scope_review",
+              "booking_window_review",
+              "route_review"
+            ],
+            "type": "string"
+          },
+          "customerContactRequired": {
+            "const": false,
+            "description": "No customer contact is required for this price/requirements review.",
+            "type": "boolean"
+          },
+          "nextAction": {
+            "const": "review_requirements",
+            "description": "Review the stated requirements before proceeding; do not infer acceptance or confirmed availability.",
+            "type": "string"
+          }
+        },
+        "required": [
+          "code",
+          "customerContactRequired",
+          "availabilityConfirmed",
+          "nextAction"
+        ],
+        "type": "object"
+      },
+      "status": {
+        "const": "review_required",
+        "description": "The ride facts or requirements require further review; no availability conclusion is made.",
+        "type": "string"
+      }
+    },
+    "required": [
+      "status",
+      "bookingUrl",
+      "message"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "bookingConfirmed": {
+        "const": false,
+        "description": "A quote does not confirm or create a booking.",
+        "type": "boolean"
+      },
+      "bookingUrl": {
+        "description": "Published customer booking page for this provider and locale; the URL does not grant private booking access or confirm availability.",
+        "format": "uri",
+        "type": "string"
+      },
+      "nextAction": {
+        "description": "Guidance to proceed only to an explicitly requested offer after reviewing the preview.",
+        "type": "string"
+      },
+      "quote": {
+        "additionalProperties": false,
+        "description": "Calculated price preview and tax/inclusion breakdown; no reservation or availability confirmation.",
+        "properties": {
+          "billableHoursPerServiceLine": {
+            "description": "Billable hours used for each calculated service line.",
+            "exclusiveMinimum": 0,
+            "type": "number"
+          },
+          "calculatedAt": {
+            "description": "Timestamp of this preview calculation, not a guaranteed price-validity window.",
+            "type": "string"
+          },
+          "currency": {
+            "description": "Currency of the price preview.",
+            "type": "string"
+          },
+          "grossTotalCents": {
+            "description": "Gross total of the preview in the returned currency's minor units (EUR cents).",
+            "maximum": 9007199254740991,
+            "minimum": 0,
+            "type": "integer"
+          },
+          "parkingIncluded": {
+            "description": "Whether parking costs are included in the preview.",
+            "type": "boolean"
+          },
+          "pricesIncludeVat": {
+            "description": "Whether the returned price includes VAT.",
+            "type": "boolean"
+          },
+          "revalidationRequired": {
+            "const": true,
+            "description": "Revalidate price and terms before preparing or confirming an offer.",
+            "type": "boolean"
+          },
+          "serviceLines": {
+            "description": "Price breakdown by outbound/return service line.",
+            "items": {
+              "additionalProperties": false,
+              "properties": {
+                "direction": {
+                  "description": "The outbound or return leg priced by this service line.",
+                  "enum": [
+                    "outbound",
+                    "return"
+                  ],
+                  "type": "string"
+                },
+                "grossAmountCents": {
+                  "description": "Gross price for this service line in the returned currency's minor units.",
+                  "maximum": 9007199254740991,
+                  "minimum": 0,
+                  "type": "integer"
+                }
+              },
+              "required": [
+                "direction",
+                "grossAmountCents"
+              ],
+              "type": "object"
+            },
+            "type": "array"
+          },
+          "tollsIncluded": {
+            "description": "Whether toll costs are included in the preview.",
+            "type": "boolean"
+          },
+          "vatRateBasisPoints": {
+            "description": "VAT rate in basis points: 10000 basis points equal 100 percent.",
+            "maximum": 9007199254740991,
+            "minimum": 0,
+            "type": "integer"
+          },
+          "vehicleCount": {
+            "description": "Vehicle count used in this price calculation, not confirmed vehicle availability.",
+            "exclusiveMinimum": 0,
+            "maximum": 9007199254740991,
+            "type": "integer"
+          }
+        },
+        "required": [
+          "currency",
+          "grossTotalCents",
+          "pricesIncludeVat",
+          "vatRateBasisPoints",
+          "parkingIncluded",
+          "tollsIncluded",
+          "vehicleCount",
+          "billableHoursPerServiceLine",
+          "serviceLines",
+          "calculatedAt",
+          "revalidationRequired"
+        ],
+        "type": "object"
+      },
+      "status": {
+        "const": "quoted",
+        "description": "A price preview was calculated; it must be revalidated before an actual offer.",
+        "type": "string"
+      }
+    },
+    "required": [
+      "status",
+      "bookingUrl",
+      "bookingConfirmed",
+      "quote",
+      "nextAction"
+    ],
+    "type": "object"
+  }
+]

Added value: +{
+  "description": "Optional existing published provider offer key. Selects its configured service location; not booking authority.",
+  "pattern": "^[a-z0-9][a-z0-9_-]{0,79}$",
+  "type": "string"
+}

Previous value: -"Complete ride facts for a transfer, return transfer or hourly service. Distinct pickup/destination and valid local dates/times are required."New value: +"Ride facts with distinct pickup/destination and valid local dates/times. Return requires returnDate/returnTime after pickup; one_way omits both. Hourly requires one_way and hours; transfers omit hours."

Previous value: -"Optional flight number for the airport ride, such as LH123; at most 240 characters."New value: +"Flight number for an airport pickup, such as LH123; omit when not applicable."

Previous value: -"Booked hourly-service duration, integer 1–24 hours; required with serviceType=hourly and forbidden for transfers."New value: +"Booked duration for hourly service; omit for transfers."

Previous value: -"Optional luggage count/type or fit requirements, at most 240 characters; unusual luggage may require review."New value: +"Luggage count/type or fit requirements; unusual luggage may require review."

Previous value: -"Total passenger count, integer 1–60; vehicle requirements and acceptance are evaluated separately."New value: +"Total people travelling; determines vehicle requirements, not availability or acceptance."

Previous value: -"Return service date YYYY-MM-DD; required only when tripType=return. The return must follow the outbound pickup."New value: +"Return pickup date in the same local format as date, in the provider timeZone; provide only for return trips, after the outbound pickup."

Previous value: -"Return pickup local HH:mm in the same provider timeZone; required only when tripType=return. Omit both return fields for one_way."New value: +"Return pickup time in the same local format as time and the same provider timeZone; provide only for return trips."

Previous value: -"Set hourly only for chauffeur service booked by duration; omit for transfers. Hourly requires tripType=one_way and hours."New value: +"Set hourly for service booked by duration; omit for transfers."

Previous value: -"one_way for a single transfer or hourly service; return for outbound plus a separate later return transfer, requiring returnDate and returnTime."New value: +"one_way for a single transfer or hourly service; return for outbound plus a separate later return transfer."

Previous value: -"Response language: en (English, default) or de (German). Does not change the provider time zone."New value: +"Use the customer's requested language for text and booking links: en by default, de for German. Preserve it on retries; pickup times stay in the provider time zone."

Previous value: -"de"New value: +"en"

Previous value: -"Response language: de (German, default) or en (English)."New value: +"Response language: en (English, default) or de (German). Does not change the provider time zone."

Added value: +{
+  "description": "Volunteered vehicle preference only; no class, price or availability guarantee. Additional requirements may require review.",
+  "maxLength": 240,
+  "minLength": 1,
+  "type": "string"
+}

Previous value: -[
-  {
-    "additionalProperties": false,
-    "properties": {
-      "status": {
-        "const": "invalid_request",
-        "type": "string"
-      }
-    },
-    "required": [
-      "status"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "bookingUrl": {
-        "format": "uri",
-        "type": "string"
-      },
-      "status": {
-        "const": "unavailable",
-        "type": "string"
-      }
-    },
-    "required": [
-      "status"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "bookingUrl": {
-        "format": "uri",
-        "type": "string"
-      },
-      "retryAfterSeconds": {
-        "exclusiveMinimum": 0,
-        "maximum": 9007199254740991,
-        "type": "integer"
-      },
-      "status": {
-        "const": "rate_limited",
-        "type": "string"
-      }
-    },
-    "required": [
-      "status",
-      "bookingUrl",
-      "retryAfterSeconds"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "bookingUrl": {
-        "format": "uri",
-        "type": "string"
-      },
-      "message": {
-        "type": "string"
-      },
-      "status": {
-        "const": "review_required",
-        "type": "string"
-      }
-    },
-    "required": [
-      "status",
-      "bookingUrl",
-      "message"
-    ],
-    "type": "object"
-  },
-  {
-    "additionalProperties": false,
-    "properties": {
-      "bookingConfirmed": {
-        "const": false,
-        "type": "boolean"
-      },
-      "bookingUrl": {
-        "format": "uri",
-        "type": "string"
-      },
-      "nextAction": {
-        "type": "string"
-      },
-      "quote": {
-        "additionalProperties": false,
-        "properties": {
-          "billableHoursPerServiceLine": {
-            "exclusiveMinimum": 0,
-            "type": "number"
-          },
-          "calculatedAt": {
-            "type": "string"
-          },
-          "currency": {
-            "type": "string"
-          },
-          "grossTotalCents": {
-            "maximum": 9007199254740991,
-            "minimum": 0,
-            "type": "integer"
-          },
-          "parkingIncluded": {
-            "type": "boolean"
-          },
-          "pricesIncludeVat": {
-            "type": "boolean"
-          },
-          "revalidationRequired": {
-            "const": true,
-            "type": "boolean"
-          },
-          "serviceLines": {
-            "items": {
-              "additionalProperties": false,
-              "properties": {
-                "direction": {
-                  "enum": [
-                    "outbound",
-                    "return"
-                  ],
-                  "type": "string"
-                },
-                "grossAmountCents": {
-                  "maximum": 9007199254740991,
-                  "minimum": 0,
-                  "type": "integer"
-                }
-              },
-              "required": [
-                "direction",
-                "grossAmountCents"
-              ],
-              "type": "object"
-            },
-            "type": "array"
-          },
-          "tollsIncluded": {
-            "type": "boolean"
-          },
-          "vatRateBasisPoints": {
-            "maximum": 9007199254740991,
-            "minimum": 0,
-            "type": "integer"
-          },
-          "vehicleCount": {
-            "exclusiveMinimum": 0,
-            "maximum": 9007199254740991,
-            "type": "integer"
-          }
-        },
-        "required": [
-          "currency",
-          "grossTotalCents",
-          "pricesIncludeVat",
-          "vatRateBasisPoints",
-          "parkingIncluded",
-          "tollsIncluded",
-          "vehicleCount",
-          "billableHoursPerServiceLine",
-          "serviceLines",
-          "calculatedAt",
-          "revalidationRequired"
-        ],
-        "type": "object"
-      },
-      "status": {
-        "const": "quoted",
-        "type": "string"
-      }
-    },
-    "required": [
-      "status",
-      "bookingUrl",
-      "bookingConfirmed",
-      "quote",
-      "nextAction"
-    ],
-    "type": "object"
-  }
-]New value: +[
+  {
+    "additionalProperties": false,
+    "properties": {
+      "status": {
+        "const": "invalid_request",
+        "type": "string"
+      }
+    },
+    "required": [
+      "status"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "bookingUrl": {
+        "format": "uri",
+        "type": "string"
+      },
+      "status": {
+        "const": "unavailable",
+        "type": "string"
+      }
+    },
+    "required": [
+      "status"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "bookingUrl": {
+        "format": "uri",
+        "type": "string"
+      },
+      "retryAfterSeconds": {
+        "exclusiveMinimum": 0,
+        "maximum": 9007199254740991,
+        "type": "integer"
+      },
+      "status": {
+        "const": "rate_limited",
+        "type": "string"
+      }
+    },
+    "required": [
+      "status",
+      "bookingUrl",
+      "retryAfterSeconds"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "bookingUrl": {
+        "format": "uri",
+        "type": "string"
+      },
+      "message": {
+        "type": "string"
+      },
+      "review": {
+        "additionalProperties": false,
+        "properties": {
+          "availabilityConfirmed": {
+            "const": false,
+            "type": "boolean"
+          },
+          "code": {
+            "enum": [
+              "additional_requirements_review",
+              "model_guarantee_review",
+              "address_review",
+              "service_scope_review",
+              "booking_window_review",
+              "route_review"
+            ],
+            "type": "string"
+          },
+          "customerContactRequired": {
+            "const": false,
+            "type": "boolean"
+          },
+          "nextAction": {
+            "const": "review_requirements",
+            "type": "string"
+          }
+        },
+        "required": [
+          "code",
+          "customerContactRequired",
+          "availabilityConfirmed",
+          "nextAction"
+        ],
+        "type": "object"
+      },
+      "status": {
+        "const": "review_required",
+        "type": "string"
+      }
+    },
+    "required": [
+      "status",
+      "bookingUrl",
+      "message"
+    ],
+    "type": "object"
+  },
+  {
+    "additionalProperties": false,
+    "properties": {
+      "bookingConfirmed": {
+        "const": false,
+        "type": "boolean"
+      },
+      "bookingUrl": {
+        "format": "uri",
+        "type": "string"
+      },
+      "nextAction": {
+        "type": "string"
+      },
+      "quote": {
+        "additionalProperties": false,
+        "properties": {
+          "billableHoursPerServiceLine": {
+            "exclusiveMinimum": 0,
+            "type": "number"
+          },
+          "calculatedAt": {
+            "type": "string"
+          },
+          "currency": {
+            "type": "string"
+          },
+          "grossTotalCents": {
+            "maximum": 9007199254740991,
+            "minimum": 0,
+            "type": "integer"
+          },
+          "parkingIncluded": {
+            "type": "boolean"
+          },
+          "pricesIncludeVat": {
+            "type": "boolean"
+          },
+          "revalidationRequired": {
+            "const": true,
+            "type": "boolean"
+          },
+          "serviceLines": {
+            "items": {
+              "additionalProperties": false,
+              "properties": {
+                "direction": {
+                  "enum": [
+                    "outbound",
+                    "return"
+                  ],
+                  "type": "string"
+                },
+                "grossAmountCents": {
+                  "maximum": 9007199254740991,
+                  "minimum": 0,
+                  "type": "integer"
+                }
+              },
+              "required": [
+                "direction",
+                "grossAmountCents"
+              ],
+              "type": "object"
+            },
+            "type": "array"
+          },
+          "tollsIncluded": {
+            "type": "boolean"
+          },
+          "vatRateBasisPoints": {
+            "maximum": 9007199254740991,
+            "minimum": 0,
+            "type": "integer"
+          },
+          "vehicleCount": {
+            "exclusiveMinimum": 0,
+            "maximum": 9007199254740991,
+            "type": "integer"
+          }
+        },
+        "required": [
+          "currency",
+          "grossTotalCents",
+          "pricesIncludeVat",
+          "vatRateBasisPoints",
+          "parkingIncluded",
+          "tollsIncluded",
+          "vehicleCount",
+          "billableHoursPerServiceLine",
+          "serviceLines",
+          "calculatedAt",
+          "revalidationRequired"
+        ],
+        "type": "object"
+      },
+      "status": {
+        "const": "quoted",
+        "type": "string"
+      }
+    },
+    "required": [
+      "status",
+      "bookingUrl",
+      "bookingConfirmed",
+      "quote",
+      "nextAction"
+    ],
+    "type": "object"
+  }
+]

Added value: +"Response language: de (German, default) or en (English)."

Added value: +"Complete ride facts for a transfer, return transfer or hourly service. Distinct pickup/destination and valid local dates/times are required."

Added value: +"Service date as YYYY-MM-DD in the provider timeZone returned by get_service_options; resolve relative dates first."

Added value: +"Destination distinct from pickup, with city/municipality or postcode; e.g. München Hauptbahnhof, 80335 München. For hourly service describe the planned route or As directed."

Added value: +"Optional flight number for the airport ride, such as LH123; at most 240 characters."

Added value: +"Booked hourly-service duration, integer 1–24 hours; required with serviceType=hourly and forbidden for transfers."

Added value: +"Optional luggage count/type or fit requirements, at most 240 characters; unusual luggage may require review."

Added value: +"Total passenger count, integer 1–60; vehicle requirements and acceptance are evaluated separately."

Added value: +"Pickup address or named place with city/municipality or postcode; e.g. Flughafen München (MUC), 85356 München-Flughafen."

Added value: +"Return service date YYYY-MM-DD; required only when tripType=return. The return must follow the outbound pickup."

Added value: +"Return pickup local HH:mm in the same provider timeZone; required only when tripType=return. Omit both return fields for one_way."

Added value: +"Set hourly only for chauffeur service booked by duration; omit for transfers. Hourly requires tripType=one_way and hours."

Added value: +"Local pickup time in 24-hour HH:mm format, in the provider timeZone (Samuelz: Europe/Berlin); not UTC or an offset timestamp."

Added value: +"one_way for a single transfer or hourly service; return for outbound plus a separate later return transfer, requiring returnDate and returnTime."

Added value: +"Optional ride requirements, at most 500 characters. Additional stops or unusual requirements may require review; do not include contact details in a quote."

Added value: +{
+  "maxLength": 240,
+  "minLength": 1,
+  "type": "string"
+}

Added value: +{
+  "maxLength": 240,
+  "minLength": 1,
+  "type": "string"
+}

Added value: +{
+  "maximum": 24,
+  "minimum": 1,
+  "type": "integer"
+}

Added value: +{
+  "enum": [
+    "hourly"
+  ],
+  "type": "string"
+}