Topics are high level categories to which all indicators are mapped. Agriculture & Rural Development, Education, and Trade are examples of topics.

Sample Topic API Requests

To list all topics:

https://api.worldbank.org/v2/topic

To list specific topics, separating multiple codes with semicolons (;):

https://api.worldbank.org/v2/topic/5
https://api.worldbank.org/v2/topic/5;11

To list all indicators under a specified topic:

https://api.worldbank.org/v2/topic/5/indicator or:
https://api.worldbank.org/v2/indicator?topic=5

Sample Response Format: Topic Query

XML: https://api.worldbank.org/v2/topic/

<wb:topics xmlns:wb="http://www.worldbank.org"  page="1"  pages="1"  per_page="50"  total="21" >
  <wb:topic id="1" >
    <wb:value>Agriculture &amp; Rural Development</wb:value>
    <wb:sourceNote>For the 70 percent of the world's poor...</wb:sourceNote>
</wb:topic>
  <wb:topic id="2" >
    <wb:value>Aid Effectiveness</wb:value>

JSON: https://api.worldbank.org/v2/topic?format=json

[
 {
    "page":1,
    "pages":1,
    "per_page":50,
    "total":21
 },
 [
    {
       "id":"1",
       "value":"Agriculture & Rural Development",
       "sourceNote":"For the 70 percent of the world's poor..."
    },
    {
       "id":"2"
    }
  ]
]