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Api Error Codes Best Practices


In our experience, great error messages are incredibly helpful when integrating with an API. Many software developers, including myself, don't always like to think about exceptions and error handling but it is a very important piece of the puzzle for any software developer, and especially RESTful design principles specify HATEOAS which roughly states that interaction with an endpoint should be defined within metadata that comes with the output representation and not based on out-of-band information. Some of Enchant's nouns would be ticket, user and group. http://dis-lb.net/api-error/api-error-codes.php

Sure, but what if… You’ll probably also come across some edge cases, or things that don’t conform to the best practices set forth by all the “experts” on the interwebs. This strategy to handle errors makes clients robust and reliable. Option 4: Return an XML Error Document In this scenario, the web service always returns an HTTP Status Code of 200, but also includes an XML document containing an application specific Although your inner-grammatician will tell you it's wrong to describe a single instance of a resource using a plural, the pragmatic answer is to keep the URL format consistent and always http://apigee.com/about/blog/technology/restful-api-design-what-about-errors

Rest Api Multiple Errors

In all the calls, the server and the endpoint at the client both return a call status to the client which can be in the form of: The success of API Could the decisions be deferred to run time? The error response you would currently see is: [shell]HTTP/1.1 404 Not Found {"type":"error","status":404,"code":"not_found","help_url":"http://developers.box.com/docs/#errors","message":"Not Found","request_id":"455888459514fcf1d97e74"}[/shell] Once we have rolled out error response enhancements, the new error response for the same error condition Twilio Twilio does a great job aligning errors with HTTP status codes.

There are mixed opinions around whether an API version should be included in the URL or in a header. These responses should have an entity body that contains an appropriate human readable error message, as you suggest. A JSON error body should provide a few things for the developer - a useful error message, a unique error code (that can be looked up for more details in the Twitter Api Error Codes But, but… How?

Only request additional quota if your application is exceeding the courtesy limit for the Drive API, or if it is exceeding the per-user limit. Php Rest Api Error Handling x Join 2000 Developers Learn how to build better software in the cloud. © Vinay Sahni Skip to main content English (US)English (UK)English (Europe)EspañolFrançaisDeutschItaliano日本語 closeEnglish (US)English (UK)English (Europe)EspañolFrançaisDeutschItaliano日本語 BusinessSolutionsIndustriesCustomersAboutPersonalLog InPricing box.com Agree(0)Disagree(0)Comment About MuleSoft.com Developers Careers Documentation MuleSoft provides the most widely used integration platform for connecting any application, data source or API, whether in the cloud or on-premises. http://blog.restcase.com/rest-api-error-codes-101/ We felt this was a good way of retaining a sane RESTful structure, while still providing necessary error information to the client.

We can future proof the API by staying envelope free by default and enveloping only in exceptional cases. Paypal Api Error Codes Best Practices for REST Error Handling Assuming you are busy implementing a REST-based web service, which error handling option do you choose? Change is inevitable. For what it's worth, all three methods above are just ways to transport the token across the API boundary.

  1. To prevent an API consumer from having to hit the API again for an updated representation, have the API return the updated (or created) representation as part of the response.
  2. Digital Business Survey: An App Isn'... 14781 I ♥ APIs 2015: Learn, Network, Accelerate 14776 The Innovator Spotlight Interview: Paul Clark, ITV 14791 API Studio: A New Tool for Designing, Mocking,
  3. Stack Exchange went as far as to never return a response that's not compressed!
  4. But what about all the extra data transfer?
  5. For now, it's best to assume the user has access to the documentation & include resource identifiers in the output representation which the API consumer will use when crafting links.
  6. What HTTP error code would we map to in this case?
  7. Link: ; rel="next", ; rel="last", ; rel="first", ; rel="prev", 8.
  8. Too bad most tools/frameworks will take ages to catch up, at best. –Remus Rusanu Dec 18 '13 at 9:54 add a comment| up vote 11 down vote There are two sorts

Php Rest Api Error Handling

Community commenting and discussion on the documentation helps to build a body of information and adds context for developers experiencing these errors. page Anypoint Platform includes CloudHub™ iPaaS, Mule ESB™, and a unified solution for API management™, design and publishing. ©2016 MuleSoft, INC. Rest Api Multiple Errors Suggest that the user contact the domain admin to request access for your app. 404: File not found: {fileId} The user does not have read access to a file, or the Rest Response Codes Best Practices All you have to do is include some additional outbound response headers and do a little validation when you receive some inbound request headers.

When you boil it down, there are really only 3 outcomes in the interaction between an app and an API: Everything worked The application did something wrong The API did something http://dis-lb.net/api-error/api-error-codes-rails.php For example, Box uses the following set of status codes to communicate what’s happening with their API: 200 success201 created202 accepted204 no_content302 redirect304 not_modified400 bad_request401 unauthorized403 forbidden404 not_found405 method_not_allowed409 conflict412 precondition_failed429 Usergrid Command Line 11241 Piggy-Backed Mobile Network Transmissions & th... 11286 Innovator Spotlight: Cheezburger.com - APIs to Tap... 11221 Optimizing for Mobile? Application Specific Errors: Option 1 has the disadvantage of not being directly viewable within a browser. Facebook Api Error Codes

Like Facebook, they provide a more granular error message but with a link that takes you to the documentation. In particular, a REST API must not be compromised in an effort to accommodate less sophisticated HTTP clients. 400 (Bad Request) may be used to indicate nonspecific failure 400 is the Many popular JSON APIs use snake_case. http://dis-lb.net/api-error/api-error-codes-twitter.php Having well-defined and descriptive error messages makes the client’s job so much easier to achieve this.

Add as many as are necessary, but in most cases you won’t need to learn and implement every single status code in the spec. Mailchimp Api Error Codes I don’t know, either. If you are new to REST, check out Paul Prescod's excellent REST articles on xml.com.

I highly recommend you add a link in your description to more information, like Twilio does.

Read more at http://…   Your JSON was not properly formed. My goal with this post is to describe best practices for a pragmatic API designed for today's web applications. Return the Invalid parameter name Whenever possible, return the specific input parameter that the developer specified (or did not specify) that caused the API to choke on. Google Api Error Codes For example, the recently closed tickets query above could be packaged up as GET /tickets/recently_closed Limiting which fields are returned by the API The API consumer doesn't always need the full

To increase accessibility to these limited clients, the API needs a way to override the HTTP method. Upcoming improvements to Box API V2's error responses For the past few months, I have been working on improving the error responses that the Box API V2 returns for client-side errors. The point is the intent - what is the intent of 200 OK? have a peek at these guys In that case, we return a 200 OK to indicate that the call succeeded, but we also include a header value of Elements-Error that indicates there may have been an error

For REST APIs, location can be a URL, header or entity-body. Therefore, most API providers use a small subset. The representation of an error should be no different than the representation of any resource, just with its own set of fields. These are 10 best practices to design a clean RESTful API: 1.

The XooMLe application currently uses this approach (XooMLe provides a RESTful API wrapper to the existing SOAP based Google API). Stack Overflow for example sends out an object with response, data and message properties. This is OK - just do what's right from the perspective of the API consumer and make sure it's documented clearly to avoid confusion. The most sensible option here would be to append a .json or .xml extension to the endpoint URL.