The Google Chart API is a non-interactive

Web service A web service (WS) is either: * a service offered by an electronic device to another electronic device, communicating with each other via the Internet, or * a server running on a computer device, listening for requests at a particular port over a n ...

(now

deprecated Deprecation is the discouragement of use of something human-made, such as a term, feature, design, or practice. Typically something is deprecated because it is claimed to be inferior compared to other options available. Something may be deprec ...

) that creates

graphical Graphics () are visual images or designs on some surface, such as a wall, canvas, screen, paper, or stone, to inform, illustrate, or entertain. In contemporary usage, it includes a pictorial representation of the data, as in design and manufactu ...

chart A chart (sometimes known as a graph) is a graphics, graphical representation for data visualization, in which "the data is represented by symbols, such as bars in a bar chart, lines in a line chart, or slices in a pie chart". A chart can repres ...

s from user-supplied data. Google servers create a

PNG Portable Network Graphics (PNG, officially pronounced , colloquially pronounced ) is a raster-graphics file format that supports lossless data compression. PNG was developed as an improved, non-patented replacement for Graphics Interchange ...

image of a chart from data and formatting parameters specified by a user's

HTTP HTTP (Hypertext Transfer Protocol) is an application layer protocol in the Internet protocol suite model for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web, wher ...

request. The service supports a wide variety of chart information and formatting. Users may conveniently embed these charts in a

Web page A web page (or webpage) is a World Wide Web, Web document that is accessed in a web browser. A website typically consists of many web pages hyperlink, linked together under a common domain name. The term "web page" is therefore a metaphor of pap ...

by using a simple image tag. Originally the

API An application programming interface (API) is a connection between computers or between computer programs. It is a type of software interface, offering a service to other pieces of software. A document or standard that describes how to build ...

was Google's internal tool to support rapid embedding of charts within

Google Google LLC (, ) is an American multinational corporation and technology company focusing on online advertising, search engine technology, cloud computing, computer software, quantum computing, e-commerce, consumer electronics, and artificial ...

's own applications (like

Google Finance Google Finance is a website focusing on business news and financial information hosted by Google. History and Development Launch and Early Growth (2006–2010) Google Finance was launched in March 2006 as Google’s entry into online financ ...

for example). Google figured it would be a useful tool to open up to web developers. It officially launched on December 6, 2007. Currently, line, bar, pie, and radar charts, as well as

Venn diagrams A Venn diagram is a widely used diagram style that shows the logical relation between sets, popularized by John Venn (1834–1923) in the 1880s. The diagrams are used to teach elementary set theory, and to illustrate simple set relationships ...

scatter plots A scatter plot, also called a scatterplot, scatter graph, scatter chart, scattergram, or scatter diagram, is a type of plot or mathematical diagram using Cartesian coordinates to display values for typically two variables for a set of data ...

, sparklines,

map A map is a symbolic depiction of interrelationships, commonly spatial, between things within a space. A map may be annotated with text and graphics. Like any graphic, a map may be fixed to paper or other durable media, or may be displayed on ...

s, google-o-meters, and QR codes are supported. Google deprecated the API in 2012 with guaranteed availability until April 2015. On March 18, 2019 Google turned off the API. Google recommends the successor service Google Charts.

Example

The following URL creates the pie chart below:
http://chart.apis.google.com/chart?
chs=200x200
&chdlp=b
&chtt=Uberman
&chdl=Asleep, Awake
&chd=t:1,11,1,11,1,11,1,11,1,11,1,11
&cht=p
&chco=586F8E,7D858F,586F8E,7D858F,586F8E,7D858F,586F8E,7D858F,586F8E,7D858F,586F8E,7D858F

External Libraries

Instead of creating the URL request manually, there are many open source libraries available for most programming languages.

References

{{reflist

External links

Google Chart API
Chart API Visualization API

Example

External Libraries

See also

References

External links