Getting 429 Error with service now

[RFJ1]

Hi,

We are receiving 429 HTTP error code while making API calls to our instance from Third Party integration, the ask is to update a change request but we get this 429 error. I've read enough to know that 429 indicates too many requests being made and the nodes are basically full not to process anymore but I want to know how is this limit decided? How many API calls from a particular integration would make it too much and throw 429? Is there a place where we can find it or define it?

Would be great if I can find some help on this.

Thanks in advance.

[Shubham_Jain]

@RFJ1 

• It indicates your integration is exceeding the API rate limits set for your instance.
• ServiceNow uses instance-level throttling to protect stability. If too many requests hit a node in a short time, it starts rejecting them with 429.