ZBarSDK - QR and barcode reader for iPhone

ZBarSDK is an open source library for reading barcodes and QR codes.

It supports the popular iPhone/iOS, and looks like the best library for the job. Creating an app using ZBarSDK is very easy, and they provided example project to help get started.

Twitter API Changes is set to Kill Third-Party Apps

Read an interpretation of Twitter's API changes.

Developers now got to work with more restrictions, display guidelines, ads guidelines, etc.. As many of the third-party apps are competing directly with Twitter's client (iPhone/Mac), it is of no surprise that the Twitter's board are making life hard for them.


It is funny that as a service becomes popular, it's API becomes less useful.

Paymill, the new Payment API

Stripe is the hottest REST API for Payment.

It has now being cloned by the infamous Rocket Internet.

Paymill is the new API, and the differentiating factor now is that it supports Germany. Even it's documentation is in German.

Survey of API Pain Points

Want to know the biggest headaches when in comes to API integration?

Read the survey results from YourTrove, who ran the survey on Hacker News.

Not surprisingly, the pains are:

• Poor documentation (how you loathe poor documentation)
• OAuth (oh wow, do you hate OAuth)
• Poor error handling
• Lack of example code
• Lack of test environments
• Lack of standardized libraries across languages
• APIs that change/break frequently (huge shout out to Facebook here, like you're surprised)
• Normalizing data to match internal data structures
• Line between use and abuse
• Arbitrary throttling (differences between services)
• Differing standards (REST v SOAP v XML-RPC, XML v JSON v POST, versioning v not, etc.)
• Getting services to talk to a dev machine behind a firewall       

Copify - An API for Copywriting

You might have outsourced your copywriting to Freelancer.com, odesk.com, or even to fiverr.com (for a mere $5)!

Copify is going into a very specific vertical of outsourcing. Or you can call them a niche.

With their network of approved writers, you can easily post your project offer and find someone to do the job.

And Copify takes it to another level with their Copify API! You can POST/GET/PUT/DELETE jobs!

apiary.io for REST documentation, like Swagger

1 year ago, I covered Swagger, a REST API documentation framework.

What other alternatives are there 1 year later?

There are a few, of which I like to cover apiary.io.

apiary.io is a pretty cool way to document your API. It works via a blueprint style (a custom DSL). Like this:

Did Twilio Pricing Became Worse?

I remembered Twilio pricing used to be very simple. Only a couple of components (Number, Voice minutes, SMS) all fitted in 1 page.

Now, it seems to be in 3 different pages!

http://www.twilio.com/voice/pricing

http://www.twilio.com/sms/pricing

http://www.twilio.com/client/pricing

And not to mention that the same number you subscribed could be used across Voice and SMS.