# HTTP API Protocol HTTP API Protocol defines the API data format, including API request and response data format. They use the HTTP1.1 wrapper of the official [SkyWalking Browser Protocol](browser-protocol.md). Read it for more details. ## Performance Data Report Detailed information about data format can be found in [BrowserPerf.proto](https://github.com/apache/skywalking-data-collect-protocol/blob/master/browser/BrowserPerf.proto). ### POST http://localhost:12800/browser/perfData Send a performance data object in JSON format. Input: ```json { "service": "web", "serviceVersion": "v0.0.1", "pagePath": "/index.html", "redirectTime": 10, "dnsTime": 10, "ttfbTime": 10, "tcpTime": 10, "transTime": 10, "domAnalysisTime": 10, "fptTime": 10, "domReadyTime": 10, "loadPageTime": 10, "resTime": 10, "sslTime": 10, "ttlTime": 10, "firstPackTime": 10, } ``` OutPut: Http Status: 204 ### POST http://localhost:12800/browser/perfData/webVitals Send a performance data object in JSON format. Since client-js 1.0.0, the following attached metrics are reported. Input: ```json { "service": "web", "serviceVersion": "v0.0.1", "pagePath": "/index.html", "fmpTime": 10, "clsTime": 10, "lcpTime": 10, } ``` OutPut: Http Status: 204 ### POST http://localhost:12800/browser/perfData/webInteraction Send a performance data object in JSON format. Since client-js 1.0.0, the following attached metrics are reported. Input: ```json { "service": "web", "serviceVersion": "v0.0.1", "pagePath": "/index.html", "fidTime": 10, } ``` OutPut: Http Status: 204 ### POST http://localhost:12800/browser/perfData/resources Send a static resources data object in JSON format. Since client-js 1.0.0, the following attached metrics are reported. Input: ```json { "service": "web", "serviceVersion": "v0.0.1", "pagePath": "/index.html", "name": "vue.js", "duration": 600, "size": 100000, "protocol": "h2", "type": "script", } ``` OutPut: Http Status: 204 ## Error Log Report Detailed information about data format can be found in [BrowserPerf.proto](https://github.com/apache/skywalking-data-collect-protocol/blob/master/browser/BrowserPerf.proto). ### POST http://localhost:12800/browser/errorLogs Send an error log object list in JSON format. Input: ```json [ { "uniqueId": "55ec6178-3fb7-43ef-899c-a26944407b01", "service": "web", "serviceVersion": "v0.0.1", "pagePath": "/index.html", "category": "ajax", "message": "error", "line": 1, "col": 1, "stack": "error", "errorUrl": "/index.html" }, { "uniqueId": "55ec6178-3fb7-43ef-899c-a26944407b02", "service": "web", "serviceVersion": "v0.0.1", "pagePath": "/index.html", "category": "ajax", "message": "error", "line": 1, "col": 1, "stack": "error", "errorUrl": "/index.html" } ] ``` OutPut: Http Status: 204 ### POST http://localhost:12800/browser/errorLog Send a single error log object in JSON format. Input: ```json { "uniqueId": "55ec6178-3fb7-43ef-899c-a26944407b01", "service": "web", "serviceVersion": "v0.0.1", "pagePath": "/index.html", "category": "ajax", "message": "error", "line": 1, "col": 1, "stack": "error", "errorUrl": "/index.html" } ``` OutPut: Http Status: 204