Orchestrator API StartJob Error

[lkb (lee)]

I’m trying to run a process using the API.
However, I’m getting the following error:

[Execute]
UiPath.Server.Configuration.OData.StartJobs

Some of the provided robots are missing.

Please help.

[Anil_G (Anil Gorthi)]

@lkb

what you have given is the machine ID and not robot ID.. robot ID would be the user ID basically using which we need to run…use get users endpioint to find the robot id

cheers

[prashant1603765 (Prashant Kumar)]

Hi @lkb

Pls check the below link:

Start a Job using Orchestrator API

How to start the job using Orchestrator API? To start a Job using API, make an HTTP POST request to the below endpoint: [Orchetsrator URL]/odata/Jobs/UiPath.Server.Configuration.OData.StartJobs Using the above HTTP POST activity, multiple jobs can be run in different Robots, in one shot. How to make API Request: Using Orchestrator HTTP Request Activity: To use this, the Robot should be connected to Orchestrator and it does not require authenticating the Orchestrator using Authenticate API.Pas…

OR

"startJobParameters must not be null" when calling UiPath.Server.Configuration.OData.StartJobs

The response you are receiving is letting you know that what you provided in your payload BODY does not match the expected schema/model of the endpoint that you are calling for the startJobParameters model… HTTP 400 Bad Request { "message": "startJobParameters must not be null", "errorCode": 0, "resourceIds": null } From the sample POST that you provided, it appears like you are attempting to start a job in a Modern Folder based on the indicated Strategy value you are passing. My…

Happy Automation

[lkb (lee)]

How or where can I get the user endpoint to find the robot ID?

[Anil_G (Anil Gorthi)]

@lkb

please use swagger

<OrchetsratorURL>/swagger/index.html

you can as well authenticate and run the api

cheers

[lkb (lee)]

Description

I’m trying to run a process using the API.
However, I’m getting the following error:

Some of the provided robots are missing.

Please help.

Link

https://uibank-api.uipath.com/explorer/swagger.json

Date

2025-12-02

Related UiPath products

Orchestrator

[Ruhi_Sayyad]

Enable unattended robot for your user and Assign machine + user to the folder
then use "Strategy": "Modern" without RobotIds try this if you want i can provide the detailed how to enable unattended bot

[vivek.nadar]

@lkb Asiign the unattended robot to the folder where the process in published and collect the UiPath assistent usig machine key and also assign same machine to the folder where the process is published .Let me know if you need step by step guide for unattended steup

[MohammedShabbir (ImYourUiPathAgent)]

Hi @lkb

can you share a screenshot of your payload.

Make sure you are not using robotids in payload and runtimeType should be unattended…

[ashokkarale]

@lkb

Please follow the best practice to seek help.

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