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Fix json samples to escape {{ blocks }}
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‎http/access-http-request-headers.md

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![](/images/http/http-flow-004.png)
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{% raw %}
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~~~json
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[{"id":"c1460268.3eba","type":"http in","z":"3045204d.cfbae","name":"","url":"/hello-headers","method":"get","swaggerDoc":"","x":130,"y":380,"wires":[["24199456.dbe66c"]]},{"id":"24199456.dbe66c","type":"template","z":"3045204d.cfbae","name":"page","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"<html>\n <head></head>\n <body>\n <h1>User agent: {{req.headers.user-agent}}</h1>\n </body>\n</html>","x":310,"y":380,"wires":[["b3531892.4cace8"]]},{"id":"b3531892.4cace8","type":"http response","z":"3045204d.cfbae","name":"","x":450,"y":380,"wires":[]}]
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~~~
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{: .flow}
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{% endraw %}
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~~~text
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[~]$ curl http://localhost:1880/hello-headers

‎http/create-an-http-endpoint.md

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![](/images/http/http-flow-001.png)
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{% raw %}
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~~~json
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[{"id":"59ff2a1.fa600d4","type":"http in","z":"3045204d.cfbae","name":"","url":"/hello","method":"get","swaggerDoc":"","x":100,"y":80,"wires":[["54c1e70d.ab3e18"]]},{"id":"54c1e70d.ab3e18","type":"template","z":"3045204d.cfbae","name":"page","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"<html>\n <head></head>\n <body>\n <h1>Hello World!</h1>\n </body>\n</html>","x":250,"y":80,"wires":[["266c286f.d993d8"]]},{"id":"266c286f.d993d8","type":"http response","z":"3045204d.cfbae","name":"","x":390,"y":80,"wires":[]}]
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~~~
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{: .flow}
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{% endraw %}
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~~~text
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[~]$ curl http://localhost:1880/hello

‎http/handle-query-parameters.md

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![](/images/http/http-flow-002.png)
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{% raw %}
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~~~json
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[{"id":"b34dd1af.4cb23","type":"template","z":"3045204d.cfbae","name":"page","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"<html>\n <head></head>\n <body>\n <h1>Hello {{req.query.name}}!</h1>\n </body>\n</html>","x":290,"y":180,"wires":[["b828f6a6.47d708"]]},{"id":"1052941d.efad6c","type":"http in","z":"3045204d.cfbae","name":"","url":"/hello-query","method":"get","swaggerDoc":"","x":120,"y":180,"wires":[["b34dd1af.4cb23"]]},{"id":"b828f6a6.47d708","type":"http response","z":"3045204d.cfbae","name":"","x":430,"y":180,"wires":[]}]
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~~~
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{: .flow}
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{% endraw %}
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~~~text
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[~]$ curl http://localhost:1880/hello-query?name=Nick

‎http/handle-url-parameters.md

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![](/images/http/http-flow-003.png)
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{% raw %}
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~~~json
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[{"id":"ce53954b.31ac68","type":"http response","z":"3045204d.cfbae","name":"","x":490,"y":280,"wires":[]},{"id":"288a7c0.fd77584","type":"template","z":"3045204d.cfbae","name":"page","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"<html>\n <head></head>\n <body>\n <h1>Hello {{req.params.name}}!</h1>\n </body>\n</html>","x":350,"y":280,"wires":[["ce53954b.31ac68"]]},{"id":"7665c67d.899a38","type":"http in","z":"3045204d.cfbae","name":"","url":"/hello-param/:name","method":"get","swaggerDoc":"","x":150,"y":280,"wires":[["288a7c0.fd77584"]]}]
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~~~
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{: .flow}
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{% endraw %}
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#### Example
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~~~text

‎http/include-data-from-another-flow.md

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![](/images/http/http-flow-005.png)
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{% raw %}
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~~~json
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[{"id":"92eaf6c0.6d1508","type":"inject","z":"3045204d.cfbae","name":"","topic":"","payload":"","payloadType":"date","repeat":"","crontab":"","once":false,"x":100,"y":480,"wires":[["8055b557.7faa48"]]},{"id":"8055b557.7faa48","type":"change","z":"3045204d.cfbae","name":"Store time","rules":[{"t":"set","p":"timestamp","pt":"flow","to":"payload","tot":"msg"}],"action":"","property":"","from":"","to":"","reg":false,"x":270,"y":480,"wires":[[]]},{"id":"93bf2335.6c40e","type":"http in","z":"3045204d.cfbae","name":"","url":"/hello-data","method":"get","swaggerDoc":"","x":120,"y":520,"wires":[["9e3aa25e.61c56"]]},{"id":"9e3aa25e.61c56","type":"change","z":"3045204d.cfbae","name":"Copy time","rules":[{"t":"set","p":"timestamp","pt":"msg","to":"timestamp","tot":"flow"}],"action":"","property":"","from":"","to":"","reg":false,"x":310,"y":520,"wires":[["f2c385a.f0d3c78"]]},{"id":"f2c385a.f0d3c78","type":"template","z":"3045204d.cfbae","name":"page","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"<html>\n <head></head>\n <body>\n <h1>Time: {{ timestamp }}</h1>\n </body>\n</html>","x":470,"y":520,"wires":[["def756a1.2108a8"]]},{"id":"def756a1.2108a8","type":"http response","z":"3045204d.cfbae","name":"","x":610,"y":520,"wires":[]}]
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~~~
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{: .flow}
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{% endraw %}
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~~~text
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[~]$ curl http://localhost:1880/hello-data

‎http/post-form-data-to-a-flow.md

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![](/images/http/http-flow-008.png)
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{% raw %}
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~~~json
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[{"id":"5b98a8ac.a46758","type":"http in","z":"3045204d.cfbae","name":"","url":"/hello-form","method":"post","swaggerDoc":"","x":120,"y":820,"wires":[["bba61009.4459f"]]},{"id":"bba61009.4459f","type":"template","z":"3045204d.cfbae","name":"page","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"<html>\n <head></head>\n <body>\n <h1>Hello {{ payload.name }}!</h1>\n </body>\n</html>","x":290,"y":820,"wires":[["6ceb930a.93146c"]]},{"id":"6ceb930a.93146c","type":"http response","z":"3045204d.cfbae","name":"","x":430,"y":820,"wires":[]}]
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~~~
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{: .flow}
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{% endraw %}
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~~~text
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[~]$ curl -X POST -d "name=Nick" http://localhost:1880/hello-form

‎http/post-json-data-to-a-flow.md

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![](/images/http/http-flow-008.png)
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{% raw %}
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~~~json
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[{"id":"5b98a8ac.a46758","type":"http in","z":"3045204d.cfbae","name":"","url":"/hello-form","method":"post","swaggerDoc":"","x":120,"y":820,"wires":[["bba61009.4459f"]]},{"id":"bba61009.4459f","type":"template","z":"3045204d.cfbae","name":"page","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"<html>\n <head></head>\n <body>\n <h1>Hello {{ payload.name }}!</h1>\n </body>\n</html>","x":290,"y":820,"wires":[["6ceb930a.93146c"]]},{"id":"6ceb930a.93146c","type":"http response","z":"3045204d.cfbae","name":"","x":430,"y":820,"wires":[]}]
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~~~
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{: .flow}
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{% endraw %}
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~~~text
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[~]$ curl -X POST -d '{"name":"Nick"}' -H "Content-type: application/json" http://localhost:1880/hello-form

‎http/post-raw-data-to-a-flow.md

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![](/images/http/http-flow-009.png)
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{% raw %}
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~~~json
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[{"id":"3e1c5107.c1e3ae","type":"http in","z":"3045204d.cfbae","name":"","url":"/hello-raw","method":"post","swaggerDoc":"","x":120,"y":920,"wires":[["cf679478.309868"]]},{"id":"cf679478.309868","type":"template","z":"3045204d.cfbae","name":"page","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"<html>\n <head></head>\n <body>\n <h1>Hello {{ payload }}!</h1>\n </body>\n</html>","x":290,"y":920,"wires":[["f3c1a3f0.0c3e6"]]},{"id":"f3c1a3f0.0c3e6","type":"http response","z":"3045204d.cfbae","name":"","x":430,"y":920,"wires":[]}]
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~~~
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{: .flow}
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{% endraw %}
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~~~text
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[~]$ curl -X POST -d 'Nick' -H "Content-type: text/plain" http://localhost:1880/hello-raw

‎http/serve-a-local-file.md

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![](/images/http/http-flow-007.png)
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{% raw %}
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~~~json
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[{"id":"c7e341a0.381cc","type":"http in","z":"3045204d.cfbae","name":"","url":"/hello-file","method":"get","swaggerDoc":"","x":110,"y":720,"wires":[["2fb1c354.d04e3c"]]},{"id":"2fb1c354.d04e3c","type":"file in","z":"3045204d.cfbae","name":"","filename":"/tmp/node-red.png","format":"","x":290,"y":720,"wires":[["c9e28681.361d78"]]},{"id":"c9e28681.361d78","type":"change","z":"3045204d.cfbae","name":"Set Headers","rules":[{"t":"set","p":"headers","pt":"msg","to":"{}","tot":"json"},{"t":"set","p":"headers.content-type","pt":"msg","to":"image/png","tot":"str"}],"action":"","property":"","from":"","to":"","reg":false,"x":470,"y":720,"wires":[["88974243.7768c"]]},{"id":"88974243.7768c","type":"http response","z":"3045204d.cfbae","name":"","x":610,"y":720,"wires":[]}]
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~~~
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{: .flow}
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{% endraw %}
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[~]$ curl http://localhost:1880/hello-file > file.png

‎http/serve-json-content.md

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![](/images/http/http-flow-006.png)
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{% raw %}
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~~~json
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[{"id":"c8107088.37ef9","type":"http in","z":"3045204d.cfbae","name":"","url":"/hello-json","method":"get","swaggerDoc":"","x":120,"y":620,"wires":[["4e8237da.b17dc8"]]},{"id":"4e8237da.b17dc8","type":"template","z":"3045204d.cfbae","name":"page","field":"payload","fieldType":"msg","format":"handlebars","syntax":"mustache","template":"{ \"Hello\": \"World\" }","x":290,"y":620,"wires":[["65401623.9abfe8"]]},{"id":"65401623.9abfe8","type":"change","z":"3045204d.cfbae","name":"Set Headers","rules":[{"t":"set","p":"headers","pt":"msg","to":"{}","tot":"json"},{"t":"set","p":"headers.content-type","pt":"msg","to":"application/json","tot":"str"}],"action":"","property":"","from":"","to":"","reg":false,"x":450,"y":620,"wires":[["f7d3e35a.082c2"]]},{"id":"f7d3e35a.082c2","type":"http response","z":"3045204d.cfbae","name":"","x":610,"y":620,"wires":[]}]
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~~~
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{: .flow}
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{% endraw %}
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[~]$ curl -i http://localhost:1880/hello-json

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