Application Programming Interface (API) Design discusses best practises for creating libraries intended for general purpose or public use.

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Why Does JavaFX's GridPane Attach Properties of the Layout to the Components?

I am currently learning JavaFX and I came across a very strange API for laying out GUI components. It is perhaps best explained by it's javadoc: To use the GridPane, an application needs to set ...
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46 views

RESTful API/Data Modeling - How to model an subordinate resource that will only ever have one element

I'm creating an API and data model for a multi-user document-creation application and I'm having trouble with a particular part of the data model/API design. Below is my current line of thinking: ...
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33 views

Looking for pros/cons on using OWIN vs. a simple hand-rolled token based auth

We are wanting to implement an API to be used internally and externally and add it to our solutions. Some environment notes: We are currently using VS2013, .Net 4.5, EF5, SQL2008, MVC4, C#, and ...
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37 views

Should I use RFC 2119 in interface documentation?

RFC 2119 defines several terms, including MUST, SHOULD, and MAY, for use in standards documents, particularly those relating to networking protocols such as IP and HTTP. These terms are widely used ...
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Implementing API and GUI in same rails application [closed]

I am trying to build and ERP system for educational institutions. It will be multiplatform i.e. web, mobile and desktop. I already have an API that can be consumed on Mobile and Desktop and now I am ...
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43 views

Deciding on method idempotency approach

We are building a web service with an idempotent create method and we are looking for approaches on how to implement idempotency. The created objects have unique identifier properties, named Id, ...
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1answer
29 views

Which layer should convert timezones given querying on aggregate tables?

I'm running a Django application service with an API that feeds to a javascript frontend. The data is specifically for charts and graphs, so the data that is returned is a fairly large json with every ...
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1answer
35 views

Bound Variadic Arguments: Bitmask vs Array

Intro The following assumes C# as a reference language, or any other statically typed language. This is not a question specific to Unity's API, but it is used as an example. In Unity's API, most ...
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67 views

Boolean endpoint within a RESTful API

I am currently designing a JSON RESTful API which should have a boolean endpoint such as /item/vote which can either be false meaning that a user has not voted for a specific item or true meaning that ...
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106 views

Paging Strategies : Page Token vs Skip/Start Index

I am seeing that more and more new APIs use page tokens to let the user move between the pages of results containing a lot of items. However from an API designer point of view I'm not clear on what ...
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32 views

Restful user routes with web token

I'm trying to create an api which has a login that issues a JSON web token and then offers a handful of resources to authenticated requesters. User is a type of resource, and this is where I get ...
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2answers
170 views

How do I use checked exceptions without violating the Law of Demeter?

Given a language that enforces checked exceptions (let us assume Java), how do we design an API that can throw exceptions without violating the Law of Demeter? To put this question in the proper ...
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77 views

Should I be permissive of unknown parameters?

I'm designing a RESTful API and faced with the title problem, restated for clarity: Should I fail fast if a client sends an unrecognized parameter? For example, ...
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68 views

JsonAPI - Updating the relationship for a resource

I am having trouble understanding http://jsonapi.org/. Say, I have the following endpoints in my API for authors and articles. /authors /authors/:id/articles If I wanted to fetch the ...
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44 views

Design API for placing orders with differing parameters

Our customer wants to unify his ordering system, so that all of his end-customers can use one single website to place orders. The planned site will use web services to place the order in one of ...
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2answers
125 views

REST API - omitted properties in POST request: How should they be handled?

Given the following scenario: Teacher entity { "id": "1234", "name": "Mr. Didactic", "Subject": "History", "Classroom": "1A" } REST API endpoint: /teacher/id/1234 Let's say I submit ...
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1answer
116 views

Is there a design pattern to handle construction of complex objects with a [1 → 1..*] multiplicity relationship?

I have two classes (A and B) that are both complex to construct, with multiple properties that must be validated at construction time. I want to use the Builder pattern to construct these objects, but ...
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3answers
153 views

How far should I validate user input in my own created API?

I got something here that bogs my mind a bit. Let's say I write me this API (in TS), check out some of these properties: export class MyAPI{ ...
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5answers
122 views

Bulk update: return all results or only failures

I'm developing an API that performs bulk update of a large number of items in a single call. This code will consist of a REST endpoint and the internal library code that it calls. There are a few ...
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1answer
36 views

Class access modifiers on tested implementations

Suppose you're writing an interface that's suppose to be your public API, let's call it Session. It's implementation is called SessionImpl and it's going to be injected by your DI framework. I'm ...
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2answers
109 views

REST API - Handling subresources

Suppose there is a primary resource "/accounts" which has Profile (name, national id, DOB), addresses and contacts(email, phones). I am considering them as sub-resources because they cannot exist ...
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1answer
76 views

Design - shallow routes for an API

I am building an API that will connect to multiple databases. I am using Emberjs on the front end and the default rest adapter seems to prefer shallow routes. Say, I have the following routes ...
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5answers
536 views

API design dilemma: to REST or not to REST

I'd like to design a REST API supporting: Login Temporary token generation The reason being there are a number of client-side REST libraries that would speed up development if used, as they take ...
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1answer
53 views

Exposing blocking API in golang?

I have a golang library that abstracts a network service (think IRC-alike). The network server produces events which users of my library should consume. I'm using blocking network calls internally. I ...
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66 views

Library/API Runtime Between Versions

I was having a conversation with a friend about the C# StringBuilder class, and what it's behavior was. I'll paraphrase, but my side of the conversation was something like this (I oversimplified ...
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20 views

Relying on file hash for data synchronisation across mobile and server

Imagine a client-server app that lets user upload images/documents etc. to server and then lets users who have access, retrieve and view them later on their respective mobile devices. So the flow is ...
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93 views

Strategy for Public / Private API, Encrypted (or Hashed) Data, and Server Compromise

In this very simplistic but realistic scenario, I have 2 combo web/database servers (A) behind a load balancer and a single IP address. They also permit access only from one IP address -- the client ...
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128 views

Why was conversion between Instant and Date named the way it was?

When Instant was introduced with JSR-310, convenience methods were added to perform conversion between Date and Instant: Date input = new Date(); Instant instant = input.toInstant(); Date output = ...
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181 views

Resource representations and REST API documentation tools

I find myself unsure about what exactly it means to have different representations of a RESTful resource. The canonical example is for an API to provide an endpoint - say /v1/users/:id - and allow ...
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2answers
204 views

How to correctly implement key=value storage REST API

I'm new to REST API, so I decided to get familiar with it by designing a small web service API. I have its design written down and would like you to review it. I feel like I have made some mistakes in ...
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1answer
257 views

why use authentication token instead of session_id for app(android side) in REST API

in normal php web application after login we use session_id that came from web browser to check if user loged in or not. But in REST API authentication I read some tutorials that say php should send ...
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220 views

Maintain API vs. using idioms in a port

I'm working on a port from Python to Rust and ran into some code that can't be expressed as naturally in Rust as they can in Python. One case of this is using default parameters: class Foo: def ...
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84 views

Is it advisable to create a single API to access the database? [closed]

Got an organization that its core work is acquiring various sources of data, validating it and integrating it to existing mostly financial data sets and then availing that data to many different types ...
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217 views

How do you organize API endpoint contracts

Where trying to improve the "confidence" we have in our inter-service communication. Background: "Contracts" has been a matter of sharing a piece of code that defines an interface to implement, but ...
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2answers
91 views

How do I model a sortable resource in sql database? [closed]

I encounter this issue when I create REST API. I cannot tell the exact scenario, but let's say it is for a website that has category and product resources. Each category has many products and both ...
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3answers
238 views

Soap vs. rest - a hybrid approach? [closed]

I have a proper SOA architecture, with web services defined with WSDL and responding to SOAP requests. But this application has also an endpoint that responds to json request and replies in json ...
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2answers
203 views

Should I use my own public API for my web interface?

I am designing an API with django and its rest framework (and I am already not sure if it worth the hassle to version it or not). I totally know the iOS and Android apps will call the API, get a ...
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70 views

Should API DTOs be shaped to client(s) or be universal?

I have a project with an internal desktop client app and a server-side client API service talking to a relational database. I seem to have two choices: 1) shape DTOs to client views, e.g. ...
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Why is Math.Sqrt() a static function?

In a discussion about static and instance methods, I always think, that Sqrt() should be a instance method of number types instead of a static method. Why is that? It obviously works on a value. // ...
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Is it OK to use mongodb's query object format as a parameter for my api?

I am designing an api that can give developers read-only access to a large dataset. The data is stored in a mongodb database. All the results of the api, will basically either be a count of matches ...
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1answer
136 views

C++ HTTP API Design

I have a massive library written in C++ that handles a lot of mathematical operations, using C++ makes it fast and in all honesty, I don't want to re-write the whole functionality. I am thinking ...
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68 views

Alternatives to setting up an API system

I want to launch a service that could support integration by third-parties. Unfortunately it’s way out of hand to build an entire API by now. Here’s my question: Would there be any possible solution ...
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1answer
175 views

Writing a programming api for an existing project? [closed]

I've an already existing project in C#. Now I should implement a plugin system. For this plugin system I've to implement a programming api/sdk. I dont want, that plugins have access to the assemblies ...
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1answer
140 views

API Breaking Changes

I have a public REST API for creating new business profile records in my system. The request itself looks similar to this: { "BusinessName" : "AName", "CurrencyCode" : "USD" } You can see ...
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287 views

How to avoid LazyInitializationException using Hibernate and Jersey

I am working with Spring Boot + Jersey + JPA/Hibernate to build a RESTful API. The issue I am encountering right now is when I have a relationship in my JPA Entity that is lazy loaded I get a lazy ...
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168 views

Best way to separate public API from internal implementation [closed]

I'm developing a little framework (in Scala) where I want to define clean and simple interface for the users of the framework. Some of theses interfaces have to be implemented by the framework itself, ...
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4answers
171 views

What HTTP status using for REST search query which returns nos results

I'm wondering how to manage empty results returned by search queries in a REST web-service : I there was a query like my_ressource_collection/{id} and the resource didn't exists i would return 404 - ...
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2answers
134 views

Rebol refinements vs. dialects vs. objects

I occasionally get conflicted when using a language that isn't Rebol (happens from time to time) and get to thinking, hm—would life be easier in Rebol if this thing worked this way? To illustrate my ...
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193 views

Methods of preventing SPAM with an API - AngularJS Website Contact Form

I'm exploring AngularJS and ran into an interesting question. If I develop an API to power my AngularJS website it would include public facing items such as a Contact Form. Assume an API method exists ...
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3answers
381 views

CRUD API: How do you specify which fields to update?

Let's say you have some kind of data structure, which is persisted in some kind of database. For simplicity, let's call this data structure Person. You are now tasked to design a CRUD API, which ...