{"activeVersionTag":"latest","latestAvailableVersionTag":"latest","collection":{"info":{"_postman_id":"e6e58df3-1ce0-46f8-a6fb-820e714e0108","name":"ETSI ISG CIM / NGSI-LD API","description":"This OAS file describes the NGSI-LD API defined by the ETSI ISG CIM group. This Cross-domain Context Information Management API allows to provide, consume and subscribe to context information in multiple scenarios and involving multiple stakeholders.\n\nity behind NGSI-LD.\n\n### 1\\. **NGSI-LD Reference Implementation**\n\n- FIWARE provides a full **NGSI-LD compliant stack**, including:\n    \n    - **Orion-LD Context Broker**\n        \n    - NGSI-LD Data Models (Smart Data Models initiative)\n        \n    - Integration with **CKAN, Kafka, PostGIS**, etc.\n        \n\n### 2\\. **Smart Cities and Industries**\n\n- Cities use FIWARE’s NGSI-LD APIs to manage:\n    \n    - Public transportation\n        \n    - Pollution levels\n        \n    - Smart lighting and traffic\n        \n- Cross-domain coordination: e.g., traffic events influencing public safety notifications or telecom network usage.\n    \n\n### 3\\. **Federation & Multi-Stakeholder Interactions**\n\n- NGSI-LD supports **federated context brokers**, which is used by FIWARE for **regional data spaces** and **data economy use cases**.\n    \n- Stakeholders like utilities, telcos, and municipalities can **subscribe to context updates** and act based on shared information.\n    \n\n---\n\n## Example Scenarios\n\n| Use Case | NGSI-LD Role | TM Forum Context | FIWARE Context |\n| --- | --- | --- | --- |\n| Smart Parking | Real-time updates on availability | Integrates with ODA for service provisioning | Provides parking spot context entities |\n| Public Transport | Geo-aware and time-aware data on vehicles | Use with SID models for customer impact | NGSI-LD describes vehicle positions, delays |\n| Telecom Network Congestion | Context entity for cell usage, load | TMF APIs + NGSI-LD for network slice updates | Edge nodes use NGSI-LD for telemetry aggregation |\n| Energy Usage in Smart Homes | Energy meter context entity | Enables dynamic tariffing via TMF APIs | NGSI-LD device models report consumption data |\n\n---\n\n## Summary of API Capabilities\n\n| Feature | Description |\n| --- | --- |\n| **CRUD for Context Entities** | Create, update, delete, and query context entities |\n| **Subscriptions** | Notify subscribers when context data changes |\n| **Linked Data Support** | Entities and attributes can be semantically linked using IRIs |\n| **Geoqueries** | Spatial filtering and correlation between entities |\n| **Temporal Queries** | Time series access to context data |\n\n---\n\n## Sample NGSI-LD Entity (JSON-LD)\n\n```\njsonCopyEdit{\n  \"@context\": [\n    \"https://uri.etsi.org/ngsi-ld/v1/ngsi-ld-core-context.jsonld\",\n    \"https://smartdatamodels.org/context.jsonld\"\n  ],\n  \"id\": \"urn:ngsi-ld:Vehicle:001\",\n  \"type\": \"Vehicle\",\n  \"brandName\": {\n    \"type\": \"Property\",\n    \"value\": \"Toyota\"\n  },\n  \"location\": {\n    \"type\": \"GeoProperty\",\n    \"value\": {\n      \"type\": \"Point\",\n      \"coordinates\": [-8.5, 41.2]\n    }\n  },\n  \"speed\": {\n    \"type\": \"Property\",\n    \"value\": 80,\n    \"unitCode\": \"KMH\"\n  }\n}\n\n ```\n\n---\n\n## TM Forum + FIWARE Synergy\n\n- TM Forum brings **telecom industry standards** and **business process alignment**.\n    \n- FIWARE operationalizes NGSI-LD in **smart ecosystems**, providing actual **brokers, models, and adapters**.\n    \n- Both rely on ETSI NGSI-LD to ensure **interoperability**, **data federation**, and **open ecosystems**.\n    \n\n---\n\n### Conclusion\n\nThe **NGSI-LD API** is becoming a **de facto cross-industry standard** for **real-time, semantically rich context management**. Its adoption by **TM Forum** for telecom and smart services, and by **FIWARE** for smart cities and industry, creates a bridge between **operational data** and **business processes**, with **open APIs** and **linked data** at the core.\n\nWould you like a walkthrough of a particular use case such as integrating TM Forum APIs with a FIWARE context broker using NGSI-LD?\n\nAsk ChatGPT\n\nContact Support:  \nEmail: [NGSI-LD@etsi.org](https://mailto:NGSI-LD@etsi.org)","schema":"https://schema.getpostman.com/json/collection/v2.0.0/collection.json","isPublicCollection":false,"owner":"11528456","team":1088250,"collectionId":"e6e58df3-1ce0-46f8-a6fb-820e714e0108","publishedId":"2sAYX9kzcD","public":true,"publicUrl":"https://FiWare-TMForum-ETSI-ISG-CIM-NGSI-LD.etisoftware.com","privateUrl":"https://go.postman.co/documentation/11528456-e6e58df3-1ce0-46f8-a6fb-820e714e0108","customColor":{"top-bar":"FFFFFF","right-sidebar":"303030","highlight":"FF6C37"},"documentationLayout":"classic-double-column","customisation":{"metaTags":[{"name":"description","value":""},{"name":"title","value":""}],"appearance":{"default":"light","themes":[{"name":"dark","logo":null,"colors":{"top-bar":"212121","right-sidebar":"303030","highlight":"FF6C37"}},{"name":"light","logo":null,"colors":{"top-bar":"FFFFFF","right-sidebar":"303030","highlight":"FF6C37"}}]}},"version":"8.10.0","publishDate":"2025-06-30T17:17:11.000Z","activeVersionTag":"latest","documentationTheme":"light","metaTags":{"title":"","description":""},"logos":{"logoLight":null,"logoDark":null}},"statusCode":200},"environments":[],"user":{"authenticated":false,"permissions":{"publish":false}},"run":{"button":{"js":"https://run.pstmn.io/button.js","css":"https://run.pstmn.io/button.css"}},"web":"https://www.getpostman.com/","team":{"logo":"https://res.cloudinary.com/postman/image/upload/t_team_logo_pubdoc/v1/team/52de83af874f462001674ddb9bdc1bfca2ae7a02c72a76650e1d6907bc6253c0","favicon":"https://etisoftware.com/favicon.ico"},"isEnvFetchError":false,"languages":"[{\"key\":\"csharp\",\"label\":\"C#\",\"variant\":\"HttpClient\"},{\"key\":\"csharp\",\"label\":\"C#\",\"variant\":\"RestSharp\"},{\"key\":\"curl\",\"label\":\"cURL\",\"variant\":\"cURL\"},{\"key\":\"dart\",\"label\":\"Dart\",\"variant\":\"http\"},{\"key\":\"go\",\"label\":\"Go\",\"variant\":\"Native\"},{\"key\":\"http\",\"label\":\"HTTP\",\"variant\":\"HTTP\"},{\"key\":\"java\",\"label\":\"Java\",\"variant\":\"OkHttp\"},{\"key\":\"java\",\"label\":\"Java\",\"variant\":\"Unirest\"},{\"key\":\"javascript\",\"label\":\"JavaScript\",\"variant\":\"Fetch\"},{\"key\":\"javascript\",\"label\":\"JavaScript\",\"variant\":\"jQuery\"},{\"key\":\"javascript\",\"label\":\"JavaScript\",\"variant\":\"XHR\"},{\"key\":\"c\",\"label\":\"C\",\"variant\":\"libcurl\"},{\"key\":\"nodejs\",\"label\":\"NodeJs\",\"variant\":\"Axios\"},{\"key\":\"nodejs\",\"label\":\"NodeJs\",\"variant\":\"Native\"},{\"key\":\"nodejs\",\"label\":\"NodeJs\",\"variant\":\"Request\"},{\"key\":\"nodejs\",\"label\":\"NodeJs\",\"variant\":\"Unirest\"},{\"key\":\"objective-c\",\"label\":\"Objective-C\",\"variant\":\"NSURLSession\"},{\"key\":\"ocaml\",\"label\":\"OCaml\",\"variant\":\"Cohttp\"},{\"key\":\"php\",\"label\":\"PHP\",\"variant\":\"cURL\"},{\"key\":\"php\",\"label\":\"PHP\",\"variant\":\"Guzzle\"},{\"key\":\"php\",\"label\":\"PHP\",\"variant\":\"HTTP_Request2\"},{\"key\":\"php\",\"label\":\"PHP\",\"variant\":\"pecl_http\"},{\"key\":\"powershell\",\"label\":\"PowerShell\",\"variant\":\"RestMethod\"},{\"key\":\"python\",\"label\":\"Python\",\"variant\":\"http.client\"},{\"key\":\"python\",\"label\":\"Python\",\"variant\":\"Requests\"},{\"key\":\"r\",\"label\":\"R\",\"variant\":\"httr\"},{\"key\":\"r\",\"label\":\"R\",\"variant\":\"RCurl\"},{\"key\":\"ruby\",\"label\":\"Ruby\",\"variant\":\"Net::HTTP\"},{\"key\":\"shell\",\"label\":\"Shell\",\"variant\":\"Httpie\"},{\"key\":\"shell\",\"label\":\"Shell\",\"variant\":\"wget\"},{\"key\":\"swift\",\"label\":\"Swift\",\"variant\":\"URLSession\"}]","languageSettings":[{"key":"csharp","label":"C#","variant":"HttpClient"},{"key":"csharp","label":"C#","variant":"RestSharp"},{"key":"curl","label":"cURL","variant":"cURL"},{"key":"dart","label":"Dart","variant":"http"},{"key":"go","label":"Go","variant":"Native"},{"key":"http","label":"HTTP","variant":"HTTP"},{"key":"java","label":"Java","variant":"OkHttp"},{"key":"java","label":"Java","variant":"Unirest"},{"key":"javascript","label":"JavaScript","variant":"Fetch"},{"key":"javascript","label":"JavaScript","variant":"jQuery"},{"key":"javascript","label":"JavaScript","variant":"XHR"},{"key":"c","label":"C","variant":"libcurl"},{"key":"nodejs","label":"NodeJs","variant":"Axios"},{"key":"nodejs","label":"NodeJs","variant":"Native"},{"key":"nodejs","label":"NodeJs","variant":"Request"},{"key":"nodejs","label":"NodeJs","variant":"Unirest"},{"key":"objective-c","label":"Objective-C","variant":"NSURLSession"},{"key":"ocaml","label":"OCaml","variant":"Cohttp"},{"key":"php","label":"PHP","variant":"cURL"},{"key":"php","label":"PHP","variant":"Guzzle"},{"key":"php","label":"PHP","variant":"HTTP_Request2"},{"key":"php","label":"PHP","variant":"pecl_http"},{"key":"powershell","label":"PowerShell","variant":"RestMethod"},{"key":"python","label":"Python","variant":"http.client"},{"key":"python","label":"Python","variant":"Requests"},{"key":"r","label":"R","variant":"httr"},{"key":"r","label":"R","variant":"RCurl"},{"key":"ruby","label":"Ruby","variant":"Net::HTTP"},{"key":"shell","label":"Shell","variant":"Httpie"},{"key":"shell","label":"Shell","variant":"wget"},{"key":"swift","label":"Swift","variant":"URLSession"}],"languageOptions":[{"label":"C# - HttpClient","value":"csharp - HttpClient - C#"},{"label":"C# - RestSharp","value":"csharp - RestSharp - C#"},{"label":"cURL - cURL","value":"curl - cURL - cURL"},{"label":"Dart - http","value":"dart - http - Dart"},{"label":"Go - Native","value":"go - Native - Go"},{"label":"HTTP - HTTP","value":"http - HTTP - HTTP"},{"label":"Java - OkHttp","value":"java - OkHttp - Java"},{"label":"Java - Unirest","value":"java - Unirest - Java"},{"label":"JavaScript - Fetch","value":"javascript - Fetch - JavaScript"},{"label":"JavaScript - jQuery","value":"javascript - jQuery - JavaScript"},{"label":"JavaScript - XHR","value":"javascript - XHR - JavaScript"},{"label":"C - libcurl","value":"c - libcurl - C"},{"label":"NodeJs - Axios","value":"nodejs - Axios - NodeJs"},{"label":"NodeJs - Native","value":"nodejs - Native - NodeJs"},{"label":"NodeJs - Request","value":"nodejs - Request - NodeJs"},{"label":"NodeJs - Unirest","value":"nodejs - Unirest - NodeJs"},{"label":"Objective-C - NSURLSession","value":"objective-c - NSURLSession - Objective-C"},{"label":"OCaml - Cohttp","value":"ocaml - Cohttp - OCaml"},{"label":"PHP - cURL","value":"php - cURL - PHP"},{"label":"PHP - Guzzle","value":"php - Guzzle - PHP"},{"label":"PHP - HTTP_Request2","value":"php - HTTP_Request2 - PHP"},{"label":"PHP - pecl_http","value":"php - pecl_http - PHP"},{"label":"PowerShell - RestMethod","value":"powershell - RestMethod - PowerShell"},{"label":"Python - http.client","value":"python - http.client - Python"},{"label":"Python - Requests","value":"python - Requests - Python"},{"label":"R - httr","value":"r - httr - R"},{"label":"R - RCurl","value":"r - RCurl - R"},{"label":"Ruby - Net::HTTP","value":"ruby - Net::HTTP - Ruby"},{"label":"Shell - Httpie","value":"shell - Httpie - Shell"},{"label":"Shell - wget","value":"shell - wget - Shell"},{"label":"Swift - URLSession","value":"swift - URLSession - Swift"}],"layoutOptions":[{"value":"classic-single-column","label":"Single Column"},{"value":"classic-double-column","label":"Double Column"}],"versionOptions":[],"environmentOptions":[{"value":"0","label":"No Environment"}],"canonicalUrl":"https://fiware-tmforum-etsi-isg-cim-ngsi-ld.etisoftware.com/view/metadata/2sAYX9kzcD"}