---
schema_version: "1"
id: 1b7d204e73534a2a013a67ede9ee0fff714079b9f85b8b0271cbbff523143912
title: Estimated Wait Time (POST)
collection: developer
version: current
locale: en-us
portal_url: https://docs.salesforce.com/developer/current/en-us/service-cloud/salesforce-scheduler-dev-guide/guides/salesforce-scheduler/scheduler-error-codes/estimatedwaittime-post.md
canonical_url: https://developer.salesforce.com/docs/service/salesforce-scheduler-dev-guide/guide/estimatedwaittime-post.html
source_site: developer.salesforce.com
content_type: documentation
content_hash: 2277a59bc13826e2283616bba1164979d5ae954b8ca677be211228c31ed467a1
products:
  - Salesforce Scheduler Developer Guide
  - Service Cloud Developer Content
---

# Estimated Wait Time (POST)

Contains the error codes and error code messages related with Salesforce Scheduler API for the `estimated-wait-time` (POST) resource.

This table lists HTTP response code descriptions that are unique to this resource.

|HTTP Response Code|Error Code|Description|
|------------------|----------|-----------|
|400|`JSON_PARSER_ERROR`|The HTTP entity body is required, but this request has no entity body.|
|405|`METHOD_NOT_ALLOWED`|The request used an HTTP method other than `POST`.|
|500|`INTERNAL_ERROR`|Specify a valid Waitlist ID or Waitlist Participant ID and try again. Returned when both `waitlistId` and `waitlistParticipantId` are missing, empty, or null.|
|500|`INTERNAL_ERROR`|The waitlist `<id>` doesn't have an active work type group. Returned when `waitlistId` is invalid.|
|500|`INTERNAL_ERROR`|Invalid waitlist participant id. Only one waitlist should be associated with waitlist participant. Returned when `waitlistParticipantId` is invalid.|