{
    "informationService": {
        "descriptionInformation": {
            "descriptionIdentification": {
                "title": "SADIS WAFS SIGWX API",
                "edition": "1.0",
                "referenceDate": "2024-10-29"
            },
            "abbreviations": [
                {
                    "name": "APIM",
                    "description": "<p><strong>API</strong> <strong>M</strong>anager - the API management platform used for Authentication and Authorisation that is integrated with the Service. APIM acts as the 'front door' of the Service for our users.</p>\r\n"
                },
                {
                    "name": "EDR",
                    "description": "<p>Means the OGC Environmental Data Retrieval standard. To learn more, please visit: https://ogcapi.ogc.org/edr/</p>\r\n"
                },
                {
                    "name": "EGRR",
                    "description": "<p>The identifier code for the UK Met Office as the forecast originating centre. \u201cEGRR data\u201d refers to forecast data produced by the Met Office.</p>\r\n"
                },
                {
                    "name": "ICAO",
                    "description": "<p>International Civil Aviation Organisation.</p>\r\n"
                },
                {
                    "name": "NOAA",
                    "description": "<p>The National Oceanic and Atmospheric Administration; the forecast centre for the USA.</p>\r\n"
                },
                {
                    "name": "OGC",
                    "description": "<p>Open Geospatial Consortium.&nbsp;OGC is a consortium of experts committed to improving access to geospatial, or location information.</p>\r\n"
                },
                {
                    "name": "SADIS",
                    "description": "<p><strong>S</strong>ecure <strong>A</strong>viation <strong>D</strong>ata <strong>I</strong>nformation&nbsp;<strong>S</strong>ystem (SADIS), which supplies World Area Forecast System (WAFS) and OPerational METeorology (OPMET) data to aviation users in Europe, Africa, and parts of Asia. SADIS is delivered and maintained exclusively by the Met Office.</p>\r\n\r\n<p>SADIS is a data library. It does not process/visualise data. It makes data available for extraction, processing and/or visualisation by end user systems.</p>\r\n\r\n<p>Two versions of SADIS are currently available, the SADIS FTP (which will be retired in 2028) and the new SADIS API.</p>\r\n"
                },
                {
                    "name": "Timestep",
                    "description": "<p>Means&nbsp;<em>\u201cforecast period\u201d.</em>&nbsp;A period of time for which forecast data is given, usually expressed as the number of hours after the model run time, e.g. T+6 means 6 hours after the model run time.</p>\r\n"
                },
                {
                    "name": "WAFC",
                    "description": "<p>World Area Forecast Centre.</p>\r\n\r\n<p>The Met Office is one of only two World Area Forecast Centres (WAFC) and is known as WAFC London - the other is WAFC Washington (NOAA).</p>\r\n"
                },
                {
                    "name": "WAFS",
                    "description": "<p>Worldwide Aviation Forecast System.</p>\r\n"
                },
                {
                    "name": "WIFS",
                    "description": "<p>WIFS is the&nbsp;<strong>W</strong>orld Area Forecast System&nbsp;(WAFS) <strong>I</strong>nternet <strong>F</strong>ile <strong>S</strong>ervice, a service provided by the United States to support international flight operations.</p>\r\n"
                }
            ]
        },
        "serviceIdentification": {
            "name": "SADIS WAFS SIGWX API",
            "version": "1.0"
        },
        "serviceAbstract": "<p>The SADIS World Area Forecast Service (WAFS) SIGWX API (the Service) supplies packaged bulletins of Significant Weather data in response to tailored API requests submitted by an end user. This data is provided under the remit of International Civil Aviation Organisation (ICAO) and can be used to support activities related to aviation.</p><p>The Service&nbsp;is provided in accordance with ICAO Annex 3 \u2013&nbsp;<em>Meteorological Service for International Air Navigation</em>&nbsp;and the PANS-MET \u2013&nbsp;<em>Procedures for Air Navigation Services \u2013 Meteorology&nbsp;</em>(Doc 10157) and comprises of:</p><ul><li>Metadata relating to the description and operation of the API.</li><li>A list of the data payload collections available to request.</li><li>Four data sets per model run:<ul><li><ul><li>XML data packaged as IWXXM (per timestep) for ingestion into visualisation software.</li><li>Polar charts (North and South Pole individually) per timestep \u2013 for validation purposes only.</li><li>Mercator (Global) charts per timestep \u2013 for validation purposes only.</li></ul></li></ul></li></ul><p>Key Features:</p><ul><li>Data containing all Significant Weather features: CB Cloud, Turbulence, Icing, Tropical Cyclones (up to T+24), Jets, Fronts, Volcanic Events, Tropopause levels and Nuclear events.</li><li>The forecast period extends out to 48 hours (T+6 through to T+48 at 3-hour intervals).</li><li>Flight levels FL100-FL600</li><li>New data produced 4 times per day (0000, 0600,1200,1800).</li></ul><p>SADIS WAFS SIGWX API is part of the SADIS API family of offerings developed by the Met Office, which use the Open Geospatial Consortium Environmental Data Retrieval (OGC-EDR) framework. SADIS API&nbsp;includes:</p><ul><li>SADIS WAFS Gridded Data&nbsp;API</li><li>SADIS OPMET API</li></ul><p>In the event of operational issues with the Service, KKCI (NOAA) data is also available on the WAFC Washington's WIFS API to provide backup.</p>",
        "serviceProvider": {
            "providerType": [
                "REGULATED_METEOROLOGICAL_SERVICE_PROVIDER"
            ],
            "pointOfContact": [
                {
                    "name": "Request Access",
                    "contactInformation": [
                        {
                            "type": "EMAIL",
                            "address": "sadismanager@metoffice.gov.uk"
                        }
                    ],
                    "role": "To request access to the service, please send an e-mail to sadismanager@metoffice.gov.uk"
                },
                {
                    "name": "Technical Support",
                    "contactInformation": [
                        {
                            "type": "EMAIL",
                            "address": "servicedesk@metoffice.gov.uk"
                        },
                        {
                            "type": "PHONE",
                            "address": "+44 330 135 0000"
                        }
                    ],
                    "role": "To report incidents on services in operation, contact the 24/7 Weather Desk."
                }
            ],
            "provider": "Met Office",
            "providerDescription": "<p>The Met Office is the sole Air Navigation Service Provider (ANSP) certificated by the UK Civil Aviation Authority to provide and disseminate a range of aviation forecast products and services, in accordance with ICAO Annex 3 to the Chicago Convention, Meteorological Service for international Air Navigation.</p><p>ICAO\u2019s Annex 3 provides the main regulatory framework against which the UK is obliged to provide meteorological services, and which the Met Office delivers Met Services against. This ensures that the UK meets its obligations to ICAO to provide safe, efficient and regular air travel.</p><p>These services fall into the following main categories:</p><p>a) UK services.</p><p>b) The World Area Forecast System (WAFS), as provided by World Area Forecast Centre (WAFC) London, in coordination with WAFC Washington.</p><p>c) SADIS (Secure Aviation Data Information Service).</p><p>d) The Volcanic Ash Advisory Centre (VAAC) London.</p><p>In addition to the ICAO Annex 3 determined services, a range of discretionary services that are determined as a requirement in the UK are also provided. Specific services such as Aviation R&amp;D and the provision of information to NATS are examples of this.</p>"
        },
        "serviceCategorisation": {
            "serviceType": "SWIM_COMPLIANT",
            "businessActivityType": [
                "AIRSPACE_ORGANISATION_AND_MANAGEMENT"
            ],
            "intendedConsumer": [
                "AERONAUTICAL_INFORMATION_SERVICE_PROVIDER",
                "AIR_TRAFFIC_SERVICE_PROVIDER"
            ],
            "informationCategory": [
                "AERONAUTICAL_INFORMATION_EXCHANGE",
                "METEOROLOGICAL_INFORMATION_EXCHANGE"
            ],
            "applicationMessageExchangePattern": [
                {
                    "name": "SYNCHRONOUS_REQUEST_REPLY"
                }
            ],
            "geospatialCategorisation": {
                "countryCode": [
                    "EGRR"
                ],
                "region": [
                    "EUR"
                ],
                "description": "Worldwide coverage, where available, of data sets that are disseminated internationally over the Aeronautical Fixed Service and from Worldwide coverage based on gridded forecast data."
            },
            "lifeCycle": [
                {
                    "lifeCycleStage": "OPERATIONAL"
                }
            ]
        },
        "generalDescription": {
            "operationalEnvironment": {
                "operationalNeeds": [
                    {
                        "name": "Operational need for SADIS WAFS SIGWX API",
                        "description": "<p>The service is provided in accordance with ICAO Annex 3 \u2013 <em>Meteorological Service for International Air Navigation,</em> and the PANS-MET \u2013 <em>Procedures for Air Navigation Services \u2013 Meteorology </em>(Doc 10157) from November 2025</p>"
                    }
                ]
            },
            "functionality": [
                {
                    "name": "Data Type",
                    "description": "<p>Allow service consumers to request SIGWX API data.</p><p>Data Type - Significant weather forecasts in IWXXM, and .png format.</p><p>Either time-stepped (3 -hourly) forecast data OR information about what data is available and how the API service works in .json</p>",
                    "realWorldEffect": "REAL WORLD EFFECT - Consumers of the Service (Airlines, Air Navigation Service Providers, National Met Services, and companies that supply flight planning software and geospatial data visualisation services for the aviation industry) obtain the most recent aeronautical observations via UK NATS to inform their decision-making regarding:- Determining optimum flight routes (and therefore reducing fuel burn) - Reducing Carbon dioxide emissions - Hazard awareness and avoidance"
                }
            ],
            "qualitiesOfService": {
                "performance": [
                    {
                        "name": "Capacity of Service",
                        "description": "<p>The service has been load tested. It remains performant with 1000 unique end users concurrently making API requests for 20 minutes and being provisioned with payloads.</p>"
                    },
                    {
                        "name": "Time behaviour of Service",
                        "description": "<p>&gt; 92% of responses to API requests will be made within 5 seconds of submission.</p><p>Request/Response latency is exposed in the SIGWX health monitoring dashboard available to the Met Office support teams&nbsp;</p>"
                    }
                ],
                "reliability": [
                    {
                        "name": "Service Level Agreement",
                        "description": "<p>The WAFC London SADIS Manager periodically reports service performance and availability statistics to ICAO.&nbsp;</p><p>Forecast data itself is verified by the Met Office Verification team annually.</p><p>To meet requirements from ICAO, Aviation Industry users and stakeholders, the Service is highly available:&nbsp;</p><ul><li><p>EDR API requests from qualified end users (authorised and authenticated via APIM) can be submitted at any time, and the Service will provision a response payload 24/7/365.&nbsp;</p></li><li><p>The payload response of SIGWX data&nbsp;matches&nbsp;the item(s) requested by&nbsp;qualified end users (authorised and authenticated via APIM).</p></li><li><p>The WAFS SIGWX data sets should be available to&nbsp;qualified and authorised users via the&nbsp;EDR API no later than 7&nbsp;hours after the nominal model run time.&nbsp;</p></li></ul>"
                    },
                    {
                        "name": "Availability",
                        "description": "<p>The service updates 24/7/365.&nbsp;The Met Office Supercomputer generates new model updates every 6 hours, and the service only exposes forecast data from the latest model update.&nbsp;</p><p>Performance is monitored via synthetic \u2018canaries' against these availability targets measured per calendar month using Met Office download speed:</p><ul><li><p>99% of the time, a valid EDR API request from a qualified end user will be successfully fulfilled (i.e., returned the appropriate requested payload).</p></li><li><p>99.2% of the time, a valid EDR API request from a qualified end user will be provisioned within 2 minutes.</p></li></ul>"
                    },
                    {
                        "name": "Recoverability",
                        "description": "<p>Technical support is available 24/7, although on a 'best efforts only' basis outside normal working hours (08:00-17:30 GMT Monday to Friday, except Bank Holidays).</p><p>In the event of operational issues, we will instruct our users to access their usual data sets from the WIFS API, which is operated by WAFC Washington. Both SADIS and WIFS API offerings have been harmonised to enable this fail-over process.</p><p>SADIS FTP can also be used to provision WAFS data sets to existing qualified end users until 2028 when SADIS FTP will be retired.</p>"
                    }
                ],
                "security": [
                    {
                        "name": "Confidentiality",
                        "description": "<p>The Service adheres to SWIM Yellow Profile - Infrastructure Capabilities Binding requirements.</p><p>The system does not store or manage any personal data. Threat analysis confirmed that loss of confidentiality is deemed Low Risk.</p>"
                    },
                    {
                        "name": "Integrity",
                        "description": "<p>The Service adheres to SWIM Yellow Profile - Infrastructure Capabilities Binding requirements.</p><p>The Met Office also has robust Cyber Security protocols in place. In the unlikely event of a security breach impacting the integrity of the data, the service will be suspended, and we would notify users to fail over to WAFC Washington's WIFS SIGWX Data service until security has been fully restored.&nbsp;</p>"
                    }
                ]
            },
            "accessAndUseConditions": [
                {
                    "name": "OAUTH2 Client Credential/Bearer Token",
                    "type": "SECURITY_CONSTRAINT",
                    "description": "<p>Accessing the service is subject to prior approval by the SADIS Manager and agreeing to our terms and conditions.&nbsp;</p><p>Access is based on OAUTH2 Client Credentials using Client ID and Secret to retrieve a Bearer Token. Login credentials must be set up in advance of first-time use.</p><p><em>Access to WAFC London's SADIS WAFS SIGWX API does NOT include reciprocal access to WAFC Washington's WIFS API service. Should you wish to access WAFC Washington's WIFS API, then you must apply directly via their website: </em><a href=\"https://aviationweather.gov/wifs/\">https://aviationweather.gov/wifs/</a></p>"
                },
                {
                    "name": "Token valid for 1 hour",
                    "type": "SECURITY_CONSTRAINT",
                    "description": "<p>The access token is valid for one hour, therefore it must be regenerated after expiry.</p>"
                },
                {
                    "name": "Check Headers",
                    "type": "SERVICE_CONSUMPTION_CONSTRAINT",
                    "description": "<p>The API makes use of standard HTTP headers, as specified in the SWIM Yellow Profile, WS Light Service Interface Binding.</p>"
                },
                {
                    "name": "Service Consumption Constraint",
                    "type": "SERVICE_CONSUMPTION_CONSTRAINT",
                    "description": "<p>Usage is limited as per our Throttling standard policies.</p><p>Limited to either:<br />200 requests per day per unique user.</p><p>or</p><p>1000&nbsp; requests per day per unique user.</p>"
                },
                {
                    "name": "Terms and Conditions",
                    "type": "LEGAL_CONSTRAINT",
                    "description": "<p>Ts &amp; Cs - Please read the <a href=\"https://www.metoffice.gov.uk/services/transport/aviation/regulated/sadis/info/sadis-api-service-summary\">Terms and Conditions</a> of the SADIS WAFS SIGWX API.</p>"
                }
            ],
            "validation": [
                {
                    "type": "SELF_VALIDATION",
                    "description": {
                        "validationSteps": "Validation is carried out at least once every 12 months.",
                        "validationResults": "For a report of the achieved results, please email sadismanager@metoffice.gov.uk",
                        "evidence": "The algorithm used to produce forecast data has been validated by a selected group of Met Office Aviation Application scientists."
                    }
                }
            ],
            "dateInOperation": "2025-04-09"
        },
        "informationDescription": {
            "informationDefinition": [
                {
                    "name": "SADIS WAFS SIGWX API"
                }
            ]
        },
        "technicalDescription": {
            "serviceMonitoring": {
                "monitoringDescription": "<p>The Service is monitored and has automated alerts that go to 24/7 Met Office support teams. However, no consumer visible monitoring capabilities are provided.</p>\r\n\r\n<p>The generation of observational data and subsequent bulletin creation are triggered on the successful ingestion of requisite base components (push). Appropriate logging, monitoring and alerting are in place 24/7.</p>\r\n"
            },
            "technicalConstraint": [
                {
                    "name": "Sign-up",
                    "description": "<p>Please contact sadismanager@metoffice.gov.uk for details of signing up to the service.</p>"
                },
                {
                    "name": "OAuth Authentication",
                    "description": "<p>The authentication mechanism supported is HTTP Bearer Client Authentication</p>"
                },
                {
                    "name": "Integration Pattern",
                    "description": "<p>REST API.</p>"
                },
                {
                    "name": "Security Mechanism",
                    "description": "<p>TLS 1.2</p><p>The service uses HTTPS over TLS 1.2 to provide integrity and confidentiality.</p>"
                }
            ],
            "behaviour": [
                {
                    "name": "EDR Response Codes",
                    "description": "<p>&nbsp;</p><p>EDR Response Code Table</p><table><thead><tr><th>EDR Response code</th><th><strong>Code Meaning</strong></th><th>Impact and suggested actions</th></tr></thead><tbody><tr><td><strong>200 (OK)</strong></td><td>The request is successful.</td><td>Expected behaviour, you can access the data.</td></tr><tr><td><strong>302 (Found)</strong></td><td>Redirect status response code indicating&nbsp;that the resource requested has been temporarily moved to the URL given by the Location header.</td><td><p>Expected behaviour for retrieving {itemId} payloads.&nbsp;Follow this redirect to pick up your payload.</p></td></tr><tr><td><strong>401 (Unauthorized Request)</strong></td><td>You are not authorised to access the service because our server requires user authentication.</td><td>You cannot access the data due to invalid authorisation. Please check that your authorisation token is valid and has not expired, and try again.</td></tr><tr><td><strong>403 (Forbidden)</strong></td><td>The request has been rejected because you&nbsp;do not have the rights to access or view the content.</td><td>You cannot access the data due to invalid authorisation. Please check that your authorisation token is valid and has not expired, and try again.</td></tr><tr><td><strong>404 (Not Found)</strong></td><td>The request is invalid.</td><td>You cannot access the data because your request is not formulated correctly. Please check the validity of your request against the&nbsp;<a href=\"https://www.metoffice.gov.uk/binaries/content/assets/metofficegovuk/pdf/services/transport/aviation/sadis/sadis-api-user-guide/sadis-api-user-guide-v1.04.pdf\"><em>SADIS API - User Guide</em></a>, Section 2.2 and Chapter 4.</td></tr><tr><td><strong>408 (Request Timeout)</strong></td><td>The request you sent to the system took longer than the server was prepared to wait.</td><td>You cannot access the data. Please try again. It is very unlikely that you encounter this error code. If the error persists, please contact our Support teams.</td></tr><tr><td><strong>500&nbsp;(Internal Server)</strong></td><td>While the request appears to be valid, the server failed to complete it.</td><td>You cannot access the data.&nbsp;Please try again.&nbsp;If the error persists, please contact our Support teams.</td></tr><tr><td><strong>502 (Bad Gateway)</strong></td><td>While the request appears to be valid, the server failed to complete it.</td><td>You cannot access the data.&nbsp;Please try again.&nbsp;If the error persists, please contact our Support teams.</td></tr><tr><td><strong>504 (Gateway Timeout)</strong></td><td>While the request appears to be valid, the server failed to complete it.</td><td>You cannot access the data.&nbsp;Please try again.&nbsp;If the error persists, please contact our Support teams.</td></tr></tbody></table>"
                },
                {
                    "name": "Nominal Behaviour",
                    "description": "<p>Each operation of the interface can be called independently.</p>"
                }
            ]
        },
        "serviceInterface": [
            {
                "name": "SADIS WAFS SIGWX API",
                "description": "<p>Provides meteorological Significant Weather data in response to API requests submitted by an end user. This data is provided under the remit of the International Civil Aviation Organisation (ICAO) and can be used to support activities related to aviation.</p>",
                "provisionSide": "PROVIDER_SIDE",
                "endpoints": [
                    {
                        "name": "GET / EDR root data entrypoint",
                        "description": "<p>This endpoint is the root for the SIGWX Data API service.&nbsp;</p><p>Querying this endpoint returns static metadata in JSON format with this information:</p><ul><li>Service description and keywords</li><li>Provider name and contact details</li><li>List of endpoints accessible via the Service</li></ul>",
                        "url": "'https://gateway.api-management.metoffice.cloud/sadis-wafs-sigwx/1.0/",
                        "resourceType": "REST_RESOURCE"
                    },
                    {
                        "name": "Get / api",
                        "description": "<p>Querying this OpenAPI endpoint returns static metadata in JSON format with this information:</p><ul><li>API definition</li><li>EDR specifications</li></ul>",
                        "url": "https://gateway.api-management.metoffice.cloud/sadis-wafs-sigwx/1.0/api",
                        "resourceType": "REST_RESOURCE"
                    },
                    {
                        "name": "Get / Conformance",
                        "description": "<p>Querying this endpoint returns static metadata in JSON format providing information about the OGC conformance classes implemented by the Service.</p>",
                        "url": "https://gateway.api-management.metoffice.cloud/sadis-wafs-sigwx/1.0/conformance",
                        "resourceType": "REST_RESOURCE"
                    },
                    {
                        "name": "Get / collections",
                        "description": "<p>This endpoint returns metadata in JSON format about each 'collection' (data set) available to be queried:</p><ul><li>Collection ID</li><li>Parameters&nbsp;and&nbsp;relevant measurement unit</li><li>Forecast timesteps available</li></ul>",
                        "url": "https://gateway.api-management.metoffice.cloud/sadis-wafs-sigwx/1.0/collections",
                        "resourceType": "REST_RESOURCE"
                    },
                    {
                        "name": "GET /collections/{collectionId} ",
                        "description": "<p>URL:&nbsp;https://gateway.api-management.metoffice.cloud/sadis-wafs-sigwx/1.0/collections/{collectionId}</p><p>Querying this end point returns metadata information in JSON format about&nbsp;one of these specific collections {collectionId}:</p><ul><li>egrr_iwxxm_forecasts</li><li>egrr_charts_global</li><li>egrr_charts_northpole</li><li>egrr_charts_southpole</li><li>kkci_iwxxm_forecasts</li><li>kkci_charts_global</li><li>kkci_charts_northpole</li><li>kkci_charts_southpole</li></ul>",
                        "url": "https://gateway.api-management.metoffice.cloud/sadis-wafs-sigwx/1.0/collections",
                        "resourceType": "REST_RESOURCE"
                    },
                    {
                        "name": "Get / collections/{collectionId}/locations",
                        "description": "<p>URL: https://gateway.api-management.metoffice.cloud/sadis-wafs-sigwx/1.0/collections/{collectionId}/locations<br /><br />List the locations available for the collection, described a co-ordinates of a polygon (geo-spatial)</p><p>Only one location available:</p><ul><li>Global</li></ul>",
                        "url": "https://gateway.api-management.metoffice.cloud/sadis-wafs-sigwx/1.0/collections",
                        "resourceType": "REST_RESOURCE"
                    },
                    {
                        "name": "Get / collections/{collectionId}/locations/{locationId}",
                        "description": "<p>Url:&nbsp;https://gateway.api-management.metoffice.cloud/sadis-wafs-sigwx/1.0/collections/{collectionId}/locations/{locationsId}</p><p>Return data in the collection for the location defined by&nbsp;<code>locationId</code>.</p><p>{collectionId}/locations/{locationId}?datetime={time}-&nbsp;Where {collectionId} could be:</p><ul><li>egrr_iwxxm_forecasts</li><li>egrr_charts_global</li><li>egrr_charts_northpole</li><li>egrr_charts_southpole</li><li>kkci_iwxxm_forecasts</li><li>kkci_charts_global</li><li>kkci_charts_northpole</li><li>kkci_charts_southpole</li></ul><p>&nbsp;</p><p>Where {locationId} could be:</p><ul><li>Global</li></ul><p>For example:&nbsp;https://gateway.api-management.metoffice.cloud/sadis-wafs-sigwx/1.0/collections/egrr_iwxxm_forecasts/global</p><p>Will return all available timesteps available for the EGRR IWXXM collection.</p>",
                        "url": "https://gateway.api-management.metoffice.cloud/sadis-wafs-sigwx/1.0/collections",
                        "resourceType": "REST_RESOURCE"
                    }
                ],
                "serviceInterfaceBinding": {
                    "name": "WS Light",
                    "description": "<p>The Service Interface Binding is SWIM Yellow Profile Compliant, using WS Light enabling HTTP GET requests and associated responses.</p>\r\n"
                },
                "networkInterfaceBinding": {
                    "name": "IPV4_SECURE_UNICAST",
                    "description": "<p>The Service implementation conforms with&nbsp;IPV4_SECURE_UNICAST as part of SWIM Yellow Profile requirements.</p>\r\n"
                },
                "operations": [
                    {
                        "name": "HTTP GET",
                        "description": "<p>The Service provides Significant Weather forecasts as IWXXM and PNG response payloads. Within each request.</p><p>The Service also provides end users the ability to request metadata about the meteorological forecast included in the forecasts, returning a response in .json format.</p><p><strong>Synchronous:</strong>&nbsp;Transactions are synchronous.</p><p><strong>TI Protocol Method:</strong> HTTP GET</p><p><strong>Precondition:</strong> Consumers must be authenticated and authorised via the Met Office API Management (APIM) Developer portal.</p><p><strong>Processing consideration:</strong>&nbsp;The service shall provide only the latest available data.</p>",
                        "idempotency": "IDEMPOTENT",
                        "messages": [
                            {
                                "name": "HTTPS GET",
                                "direction": "OUT"
                            }
                        ]
                    }
                ],
                "messageExchangePattern": "SYNCHRONOUS_REQUEST_RESPONSE"
            }
        ],
        "references": {
            "serviceDocument": [
                {
                    "documentType": "SERVICE_BEHAVIOUR_DESCRIPTION",
                    "title": "SADIS API User Guide",
                    "version": "1.0.4",
                    "description": "<p>Please refer to chapters 1,2,3,5 and 7 in the&nbsp;<a href=\"https://www.metoffice.gov.uk/binaries/content/assets/metofficegovuk/pdf/services/transport/aviation/sadis/sadis-api-user-guide/sadis-api-user-guide-v1.04.pdf\">SADIS API - User Guide</a>&nbsp;(PDF) for a full description of SADIS WAFS SIGWX Data API.</p>"
                }
            ],
            "implementedStandard": [
                {
                    "title": "Environmental Data Retrieval (EDR)",
                    "standardType": "SERVICE_STANDARD",
                    "conformanceStatement": "Adheres to EDR service standard.",
                    "version": "1.1",
                    "description": "<p>Please see references to EDR website and specifications: https://ogcapi.ogc.org/edr/</p>"
                }
            ]
        }
    }
}