Find Public APIsA building block for your next idea.
Explore Bulgaria’s population history in a chart with year labels and source attribution.
Know before you build
Indicators have different update schedules, coverage, and source notes. Use returned dates and metadata rather than treating every observation as current.
Check current provider documentation ↗Your first request
Start with this documented example. Replace credential placeholders with your own test credentials. Browser execution depends on the provider’s CORS policy.
curl --request GET 'https://api.worldbank.org/v2/country/BG/indicator/SP.POP.TOTL?format=json'Practical questions
What can I build with World Bank?+
Explore Bulgaria’s population history in a chart with year labels and source attribution.
Does World Bank need authentication?+
The reviewed example is listed as “No key”. Indicators have different update schedules, coverage, and source notes. Use returned dates and metadata rather than treating every observation as current.
Can I call World Bank from a browser?+
Browser access depends on the provider’s CORS policy for your origin, method, and headers. The playground makes a direct request and cannot bypass those restrictions.
Sources & confidence
Provider documentation was reviewed on 16 September 2026. This is not a live availability test or an endorsement.
Source catalogs can become outdated. Read our review and attribution policy. Plain-text guide ↗