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There are some objects that are not defined or do not make sense apart from their parent object. These we refer to as subresources. Examples are PersonNames, PersonAddresses, ConceptNames, etc. You can act on subresources under the parent url:.
Examples:

POST /openmrs/ws/rest/v1/person/uuidofperson:target_person_uuid/name
Body content:
{{
	"givenName": "John",
	"familyName": "Smith"}

POST /ws/rest/v1/person/uuidofperson/name/uuidofname
Body content:
{"givenName": "Johnny"}

A subresource can have only one parent. If it seems like an object has two or more parents, then it is most likely a top-level resource. E.g. "encounters" should not be a subresource of "patient" + and "location" (answering questions of both "all encounters of a patient" and "all encounters at a location"). Instead, these should be queries on the encounter resource: /ws/rest/v1/encounter?patient=349234-2349234 and /ws/rest/v1/encounter?location=3423482-34923-23

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Some resources can have multiple subtypes, for example the order resource contains drugorder and testorder subtypes. When creating a resource that has subtypes via a POST, you must specify which subtype of the resource you are creating, with a special t property of the object. For example:

POST /openmrs/ws/rest/v1/order
Body content:
{"t": "testorder", /*... and other properties */}

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If you are looking for some sample REST calls, please see Sample REST calls. You can also explore controller tests to see which requests are possible: https://github.com/openmrs/openmrs-module-webservices.rest/search?q=Controller+test&type=Code

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Fetching locations requires you to authenticate the user first. If it is a required to display all locations prior to login or without authentication you can do it by using GET .../openmrs/ws/rest/v1/location?tag=Login%LocationLogin%20Location

Changing your password

Since version 2.17 of the webservices.rest module:

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