Public Data APIs
Open datasets and APIs that are useful for research, prototypes, charts, and source-grounded answers.
Start here when a claim needs a dataset, an API, or a reusable identifier instead of a loose search result.
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Featured gems
All gems in this topic
Research · Play · DeveloperOpenAlexAn open catalog of scholarly works, authors, institutions, concepts, and citations.Learn · Research · DeveloperWikidata Query ServiceA SPARQL query interface for exploring Wikidata's open structured knowledge graph.Learn · Research · Play · DeveloperGBIFAn open biodiversity data network for species occurrence records, datasets, and taxonomic context.Learn · Research · DeveloperData CommonsA public knowledge graph for statistical data about places, demographics, economics, health, and climate.Learn · Research · DeveloperOpen-MeteoA weather API for forecasts, historical weather, air quality, and climate data without requiring an API key.
Learn
4 gems
Wikidata Query ServiceOpen Wikidata Query Service and start here: Open an example query before writing your own SPARQL.GBIFOpen GBIF and start here: Search a species name and inspect the occurrence map.Data CommonsOpen Data Commons and start here: Search a place or statistic and inspect the linked data page.Open-MeteoOpen Open-Meteo and start here: Use the interactive API builder for one location.
Research
5 gems
OpenAlexOpen OpenAlex and start here: Search a topic and inspect concepts, works, and related authors.Wikidata Query ServiceOpen Wikidata Query Service and start here: Open an example query before writing your own SPARQL.GBIFOpen GBIF and start here: Search a species name and inspect the occurrence map.Data CommonsOpen Data Commons and start here: Search a place or statistic and inspect the linked data page.Open-MeteoOpen Open-Meteo and start here: Use the interactive API builder for one location.
Play
2 gems
Developer
5 gems
OpenAlexOpen OpenAlex and start here: Search a topic and inspect concepts, works, and related authors.Wikidata Query ServiceOpen Wikidata Query Service and start here: Open an example query before writing your own SPARQL.GBIFOpen GBIF and start here: Search a species name and inspect the occurrence map.Data CommonsOpen Data Commons and start here: Search a place or statistic and inspect the linked data page.Open-MeteoOpen Open-Meteo and start here: Use the interactive API builder for one location.