Founded Year

2015

Stage

Angel | Alive

About Vaki

Vaki offers a solution to collect money between users' friends and their communities.

Vaki Headquarter Location

Cra 7C # 108A - 75 Of. 101

Bogota,

Colombia

+57 1 631 6954

Vaki's Product Videos

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Vaki's Products & Differentiation

See Vaki's products and how their products differentiate from alternatives and competitors

  • Vaki Social

    free crowdfunding platform for social causes, NGO and medical causes

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Expert Collections containing Vaki

Expert Collections are analyst-curated lists that highlight the companies you need to know in the most important technology spaces.

Vaki is included in 1 Expert Collection, including Fintech.

F

Fintech

4,549 items

Vaki Patents

Vaki has filed 4 patents.

The 3 most popular patent topics include:

  • Aquaculture
  • Concrete
  • Identifiers
patents chart

Application Date

Grant Date

Title

Related Topics

Status

8/27/2015

9/29/2020

Mathematical optimization, Fluid dynamics, Aquaculture, RAAF training units, Cybernetics

Grant

Application Date

8/27/2015

Grant Date

9/29/2020

Title

Related Topics

Mathematical optimization, Fluid dynamics, Aquaculture, RAAF training units, Cybernetics

Status

Grant

Latest Vaki News

How API Testing Can Save You Thousands

Aug 20, 2020

DevOps.com How API Testing Can Save You Thousands Related Posts Usage-based billing is a popular payment model in cloud-based SaaS platforms. The idea is that you only pay for the amount of data your project uses, which is great for companies that have finite metrics on their usage amount. It’s like getting a glass of water from your kitchen sink. Every time you open the faucet, you know your water bill will go up a few cents (actually much less than that, but for example). So let’s say the water faucet is the cloud platform and the glass represents your API requests. One of the ways organizations rack up exorbitant usage-based bills is from critical mistakes in the API request code. For example, your neighbor asks for a glass of water and you fill 10 glasses, or you forget to turn the faucet off after you fill the glass. This is very similar to what can happen in usage-based billing on SaaS platforms, especially for cloud-based API requests. An Expensive Example of Data Requests Gone Wrong A crowdfunding app in Colombia known as Vaki was shocked to receive a $30,000 USD bill from Google Firebase, due to some pretty simple mistakes. The company had rushed its product to launch, then noticed the app was running incredibly slowly after a version merge. Vaki had two choices: either take down the website or try to debug the app in a race against the money-clock. The company chose the latter option and discovered that its API was coded in such a way that with every visitor to their site, it needed to call every document of payments to see the number of supporters of a campaign or the total collected, on every page of the app. In other words, the company sent more than 40 billion requests to Firestore in less than 48 hours—an immensely costly mistake, although Vaki managed to work it out with Google in the end. One problem is that Vaki worked on the code while the site was already live, when any of these tools for API testing may have helped the company find the problem before launch. It is very important that tech teams debug every request to servers before release. Analyze if the number of requests and data transfer make sense and if your company will support the costs of the host with a big load of traffic. Otherwise, you will just catch loops or un-optimum requests with a huge bill or with your site down. API Learnings From Mistakes While cloud-based databases such as Amazon, Google Cloud and Microsoft Azure provide a pay-per-hour model, Firebase bills based on a 100k-250k read/write/delete requests to the database. So technically if you stay within this range, your bill shouldn’t amount to more than $25. But this also means you need to have perfect code with no mistakes or loops. Vaki was reading every document entry in a certain collection to calculate the total collected and support values for each time a user looked at a particular view. In other words, if a crowdfunding campaign had 100 donations, the app would call to the database once, but the reading would equate to 100 reads twice, which means a total of 200 read requests. Obviously, when you hit something like 2 million views on a campaign, the read requests to the database will very quickly exceed the billions. And to Google’s credit, this isn’t a get-money schemed it cooked up because it’s very easy to stay within the target metrics. In Vaki’s case, it was a simple human error in the data structure that wasn’t optimized for efficiency, and eventually, the company would’ve run into other problems, such as maxed out database connections. How to Keep Usage-billing to a Minimum Hosting apps today are fairly cheap, but databases can quickly grow out of control if they aren’t optimized efficiently. When it comes to traffic flow between the different parts of your application, read and write requests are the most frequent occurrence in the entire flow. So even though the front end may be fast to boot, it’s your backend that needs to be checked, especially as serverless architectures don’t typically offer backend data sessions. So as the backend requires more space and processing power, your overall bill increases. There are a few key takeaways from all this. One is that you’ll need to re-think your approach to how your data will have an impact on the total number of reads and writes, and how much processing power is required, which basically means optimizing your code for efficiency and long-term stability. The other takeaway is the importance of testing your API before launch , so that you can catch the sort of flaws that Vaki experienced before the product actually goes live.

Vaki Web Traffic

Rank
Page Views per User (PVPU)
Page Views per Million (PVPM)
Reach per Million (RPM)
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Vaki Rank

  • When was Vaki founded?

    Vaki was founded in 2015.

  • Where is Vaki's headquarters?

    Vaki's headquarters is located at Cra 7C # 108A - 75, Bogota.

  • What is Vaki's latest funding round?

    Vaki's latest funding round is Angel.

  • Who are the investors of Vaki?

    Investors of Vaki include Alexander Torrenegra and NXTP Corporate Partners.

  • Who are Vaki's competitors?

    Competitors of Vaki include Nibi and 3 more.

  • What products does Vaki offer?

    Vaki's products include Vaki Social and 3 more.

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