POST request side-effects on RESTful API

POST request side-effects on RESTful API

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POST request side-effects on RESTful API
Tag : rest , By : Johannes
Date : January 11 2021, 03:34 PM

seems to work fine I'm building an API that enables clients to send emails to their subscribers. It may be that the subscriber is already registered with an unique id assigned to it. Therefore, a POST /emails/subscribers/:subcriberId endpoint exists that lets the client send an email to the subscriber identified by subscriberId. ,
Is this an acceptable RESTful practice?

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RESTful POST request, If the record already exists on POST data, do we return 200 OK or 304 Not Modified?

Tag : rest , By : user161314
Date : March 29 2020, 07:55 AM
I wish this help you 304 is intended to be used only for a Conditional GET response, to indicate that the requested content has not changed since the last time the client asked for it. It is not appropriate for a POST response.
For a POST response, use 201 if a new record is created, otherwise use 200 or maybe 409 instead.

RESTful APIs: what to return when updating an entity produces side-effects

Tag : rest , By : Menno
Date : March 29 2020, 07:55 AM
this one helps. You really have 2 options with a 200 status PUT, you can do headers (which if you do, check out this post). Certainly not a bad option, but you would want to make sure it was normalized site-wide, well documented, and that you didn't have anything such as firewalls/F5's/etc/ re-writing your headers.
Something like this would be a fair option though:
HTTP/1.1 200 OK
Related-Tasks: /tasks/11;/tasks/12

{ ...task response... }
HTTP/1.1 200 OK
    "data": { ...the task },
    "related_tasks": [],
    "aggregate_status": "PartiallyComplete"

Handle side effects caused by duplicate POST requests

Tag : web-services , By : nagre
Date : March 29 2020, 07:55 AM
seems to work fine This a common problem with concurrent users. One way to solve it is to enforce conditional requests, requiring clients to send the If-Unmodified-Since header with the Last-Modified value for the resource they are attempting to change. That guarantees nobody else changed it between the last time they checked and now. In your case, this would prevent A from overwritten B's changes.
For instance, user A wants to change the meeting time. It sends a GET request for the meeting resource and keep the value of the Last-Modified response header. Then, it sends the POST request with the Last-Modified value in the If-Unmodified-Since header. Following your example, this request actually succeeds, but the response is lost.

Sending a POST request to my RESTful API(Python-Flask), but receiving a GET request

Tag : python , By : Luciano Campos
Date : March 29 2020, 07:55 AM
it should still fix some issue Make sure you're using the right protocol. http or https.
If you use http and see a redirect, the redirect Location header will have the correct URL usually.

Testing React Hooks side effects that depends on other side effects (or other tests)

Tag : reactjs , By : Hibame
Date : March 29 2020, 07:55 AM
wish helps you One thing you could do is replace the
with a
and add the onSubmit={e => apiRequest(value)} to it so the button can remain disabled and you can still move forward with your tests without introducing unnecessary external factors.
Also, move your function apiRequest() {...} outside of the component. It can take value as an argument instead of relying on the surrounding scope.
// You could even export this separately and make a test exclusively for this
// without also having to test the form itself
function apiRequest ( value ) {
    if (!value) {


function MyComponent() {
  const [ value, setValue ] = useState('')

  return (
    <form onSubmit={e => { e.preventDefault(); apiRequest(value); }}>
        <input onChange={e => setValue(e.target.value)} value={value} />
        <button disabled={!value}>
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