# Start processo with JSON using REST API **URL:** \ **Category:** Flowable Engine\ **Created:** [May 28, 2018, 10:15am UTC](https://forum.flowable.org/t/start-processo-with-json-using-rest-api/2066 "2018-05-28T10:15:29Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![enk1](https://avatars.discourse-cdn.com/v4/letter/e/f9ae1b/32.png) [@enk1](https://forum.flowable.org/u/enk1)\ **Post date:** [May 28, 2018, 10:15am UTC](https://forum.flowable.org/t/start-processo-with-json-using-rest-api/2066/1 "2018-05-28T10:15:29Z")
Hi, there is any way to start a process using REST API putting JSON inside variables? Need to start a process with a JSON payload. Thanks in advance ---
**Author:** ![bdot](https://avatars.discourse-cdn.com/v4/letter/b/e19adc/32.png) [@bdot](https://forum.flowable.org/u/bdot)\ **Post date:** [May 28, 2018, 10:44am UTC](https://forum.flowable.org/t/start-processo-with-json-using-rest-api/2066/2 "2018-05-28T10:44:25Z")
Hi, I know this may not be direct answer but take a look at - [JSON proces variables - any gotchas?](https://forum.flowable.org/t/json-proces-variables-any-gotchas/1798) - UnitTests @ [https://github.com/flowable/flowable-engine/blob/1ccb67e77dbae20f2f7ebb75230bb3c87b15dc30/modules/flowable-engine/src/test/java/org/flowable/engine/test/json/JsonTest.java](https://github.com/flowable/flowable-engine/blob/1ccb67e77dbae20f2f7ebb75230bb3c87b15dc30/modules/flowable-engine/src/test/java/org/flowable/engine/test/json/JsonTest.java) Goodluck! ---
**Author:** ![enk1](https://avatars.discourse-cdn.com/v4/letter/e/f9ae1b/32.png) [@enk1](https://forum.flowable.org/u/enk1)\ **Post date:** [June 3, 2018, 1:57am UTC](https://forum.flowable.org/t/start-processo-with-json-using-rest-api/2066/3 "2018-06-03T01:57:22Z")
Thanks bdot! I changed the rest api interface and added the fields I need! Worked really well.