The _links object contains links to endpoints of associated resources and is meant to be used manually by new developers to easily navigate our API.

The _links object can contain several objects. Each object has a descriptive name and the resource link as the href attribute value.

For example, the party object may contain the _links object with the link to the endpoint of the contract party and the link to the endpoint itself, as shown below:

"_links": {
    "contract": {
        "href": "https://api.oneflow.com/v1/contracts/2136817"
    },
    "self": {
        "href": "https://api.oneflow.com/v1/contracts/2136817/parties/3856927"
    }
},

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Note:

If the associated resource does not exist or is not accessible, the href attribute will be null.
The special link self refers to the object to which the _links attribute belongs.
There can also be the previous and next links for paginated endpoints.