🌍 20 Kostenlose APIs aus anderen Branchen
📰 Nachrichten & Medien

NewsAPI – aktuelle Nachrichten
https://newsapi.org/v2/everything?q=AI&apiKey=YOUR_KEY

GNews API (free tier) – News weltweit
https://gnews.io/api/v4/search?q=AI&token=YOUR_KEY

Mediastack News API – internationale Newsfeeds
http://api.mediastack.com/v1/news?access_key=YOUR_KEY&keywords=health

Guardian Open Platform – Inhalte der Guardian Zeitung
https://content.guardianapis.com/search?q=AI&api-key=YOUR_KEY

📈 Finanzen & Wirtschaft

Yahoo Finance API (inoffiziell via RapidAPI)
https://query1.finance.yahoo.com/v7/finance/quote?symbols=AAPL

CoinGecko API – Kryptowährungen
https://api.coingecko.com/api/v3/simple/price?ids=bitcoin,ethereum&vs_currencies=usd

FRED (Federal Reserve Economic Data)
https://api.stlouisfed.org/fred/series/observations?series_id=GDP&api_key=YOUR_KEY&file_type=json

World Bank API
http://api.worldbank.org/v2/country/US/indicator/NY.GDP.MKTP.CD?format=json

🌦️ Wetter & Klima

Open-Meteo API (Free, no key)
https://api.open-meteo.com/v1/forecast?latitude=52.52&longitude=13.41&hourly=temperature_2m

WeatherAPI (Free Tier)
http://api.weatherapi.com/v1/current.json?key=YOUR_KEY&q=Berlin

NOAA Climate Data
https://www.ncdc.noaa.gov/cdo-web/api/v2/data?datasetid=GHCND

OpenWeatherMap API
https://api.openweathermap.org/data/2.5/weather?q=Berlin&appid=YOUR_KEY

📊 Gesellschaft & Open Data

UN Data API – Statistiken der Vereinten Nationen
https://unstats.un.org/SDGAPI/v1/sdg/Goal/List

OECD Data API
https://stats.oecd.org/SDMX-JSON/data/DP_LIVE/.GDP.../all?contentType=csv&detail=code&separator=comma&csv-lang=en

Data.gov USA – öffentliche Regierungsdaten
https://api.data.gov/ed/collegescorecard/v1/schools.json?api_key=YOUR_KEY

EU Open Data Portal
https://data.europa.eu/api/hub/search/search?query=health

🚀 Technik, Kultur, Lifestyle

GitHub REST API – Projekte, Repos, User
https://api.github.com/repos/openai/gpt-4

Wikipedia API
https://en.wikipedia.org/w/api.php?action=query&list=search&srsearch=AI&format=json&origin=*

OpenLibrary API (Bücher)
https://openlibrary.org/search.json?title=Artificial+Intelligence

TMDb API (The Movie Database)
https://api.themoviedb.org/3/search/movie?api_key=YOUR_KEY&query=Inception


🧬 20 Open Source & Free APIs für dein Research-Frontend
🔬 Wissenschaft & Publikationen

PubMed / NCBI E-Utilities
https://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?db=pubmed&term=cancer&retmode=json
→ Metadaten & Abstracts.

arXiv API
http://export.arxiv.org/api/query?search_query=all:CRISPR&start=0&max_results=5
→ Preprints zu Physik, Bio, KI, Mathe.

bioRxiv / medRxiv API
https://api.biorxiv.org/details/biorxiv/2024-01-01/2024-12-31
→ Neueste Preprints zu Biowissenschaften.

Semantic Scholar API (Free Tier)
https://api.semanticscholar.org/graph/v1/paper/search?query=CRISPR&limit=5&fields=title,abstract,url
→ Paper + Abstracts.

CrossRef API
https://api.crossref.org/works?query=alzheimers+therapy&rows=5
→ DOIs, Journals, Metadaten.

CORE API (Open Research)
https://core.ac.uk:443/api-v2/articles/search/CRISPR?page=1&pageSize=5&apiKey=YOUR_KEY
→ Millionen Open Access Paper.

OpenAlex API (Nachfolger von Microsoft Academic)
https://api.openalex.org/works?filter=title.search:CRISPR
→ Paper, Zitationen, Institutionen.

Springer Nature Open API
http://api.springernature.com/metadata/json?q=CRISPR&api_key=YOUR_KEY
→ Springer Open Access Artikel.

🧠 Medizin & Biomedizin

ClinicalTrials.gov API
https://clinicaltrials.gov/api/v2/studies?query=Alzheimer
→ Laufende und abgeschlossene Studien.

DrugBank Open Data
https://go.drugbank.com/unearth/q?searcher=drugs&query=aspirin
→ Medikamenten-Infos (Subsets sind frei).

ChEMBL API (EBI)
https://www.ebi.ac.uk/chembl/api/data/molecule.json?molecule_structures__canonical_smiles=CCO
→ Chemische Strukturen, Targets.

UniProt API
https://rest.uniprot.org/uniprotkb/search?query=BRCA1
→ Protein-Sequenzen, Funktionen.

Ensembl REST API
https://rest.ensembl.org/lookup/symbol/homo_sapiens/BRCA1?content-type=application/json
→ Gene & Varianten.

HGNC (Gene Nomenclature)
https://rest.genenames.org/fetch/symbol/TP53
→ Offizielle Genbezeichnungen.

PDB (Protein Data Bank) API
https://search.rcsb.org/rcsbsearch/v2/query?json=...
→ Proteinstrukturen.

🌍 Epidemiologie & Gesundheit

WHO GHO API (Global Health Observatory)
https://ghoapi.azureedge.net/api/
→ Gesundheitsindikatoren weltweit.

CDC Data API
https://data.cdc.gov/resource/bi63-dtpu.json
→ Gesundheits- und Krankheitsstatistiken.

OpenFDA API
https://api.fda.gov/drug/event.json?search=aspirin&limit=5
→ Nebenwirkungen, Zulassungsdaten.

NIH Open Data
https://api.federalreporter.nih.gov/v1/projects/search?query=Alzheimer
→ NIH-geförderte Forschungsprojekte.

Global Biodata / EBI Ontology Lookup
https://www.ebi.ac.uk/ols/api/search?q=Alzheimer
→ Ontologien, Begriffsdefinitionen.


🌍 20 Kostenlose APIs aus anderen Branchen
📰 Nachrichten & Medien

NewsAPI – aktuelle Nachrichten
https://newsapi.org/v2/everything?q=AI&apiKey=YOUR_KEY

GNews API (free tier) – News weltweit
https://gnews.io/api/v4/search?q=AI&token=YOUR_KEY

Mediastack News API – internationale Newsfeeds
http://api.mediastack.com/v1/news?access_key=YOUR_KEY&keywords=health

Guardian Open Platform – Inhalte der Guardian Zeitung
https://content.guardianapis.com/search?q=AI&api-key=YOUR_KEY

📈 Finanzen & Wirtschaft

Yahoo Finance API (inoffiziell via RapidAPI)
https://query1.finance.yahoo.com/v7/finance/quote?symbols=AAPL

CoinGecko API – Kryptowährungen
https://api.coingecko.com/api/v3/simple/price?ids=bitcoin,ethereum&vs_currencies=usd

FRED (Federal Reserve Economic Data)
https://api.stlouisfed.org/fred/series/observations?series_id=GDP&api_key=YOUR_KEY&file_type=json

World Bank API
http://api.worldbank.org/v2/country/US/indicator/NY.GDP.MKTP.CD?format=json

🌦️ Wetter & Klima

Open-Meteo API (Free, no key)
https://api.open-meteo.com/v1/forecast?latitude=52.52&longitude=13.41&hourly=temperature_2m

WeatherAPI (Free Tier)
http://api.weatherapi.com/v1/current.json?key=YOUR_KEY&q=Berlin

NOAA Climate Data
https://www.ncdc.noaa.gov/cdo-web/api/v2/data?datasetid=GHCND

OpenWeatherMap API
https://api.openweathermap.org/data/2.5/weather?q=Berlin&appid=YOUR_KEY

📊 Gesellschaft & Open Data

UN Data API – Statistiken der Vereinten Nationen
https://unstats.un.org/SDGAPI/v1/sdg/Goal/List

OECD Data API
https://stats.oecd.org/SDMX-JSON/data/DP_LIVE/.GDP.../all?contentType=csv&detail=code&separator=comma&csv-lang=en

Data.gov USA – öffentliche Regierungsdaten
https://api.data.gov/ed/collegescorecard/v1/schools.json?api_key=YOUR_KEY

EU Open Data Portal
https://data.europa.eu/api/hub/search/search?query=health

🚀 Technik, Kultur, Lifestyle

GitHub REST API – Projekte, Repos, User
https://api.github.com/repos/openai/gpt-4

Wikipedia API
https://en.wikipedia.org/w/api.php?action=query&list=search&srsearch=AI&format=json&origin=*

OpenLibrary API (Bücher)
https://openlibrary.org/search.json?title=Artificial+Intelligence

TMDb API (The Movie Database)
https://api.themoviedb.org/3/search/movie?api_key=YOUR_KEY&query=Inception


🧬 20 Open Source & Free APIs für dein Research-Frontend
🔬 Wissenschaft & Publikationen

PubMed / NCBI E-Utilities
https://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?db=pubmed&term=cancer&retmode=json
→ Metadaten & Abstracts.

arXiv API
http://export.arxiv.org/api/query?search_query=all:CRISPR&start=0&max_results=5
→ Preprints zu Physik, Bio, KI, Mathe.

bioRxiv / medRxiv API
https://api.biorxiv.org/details/biorxiv/2024-01-01/2024-12-31
→ Neueste Preprints zu Biowissenschaften.

Semantic Scholar API (Free Tier)
https://api.semanticscholar.org/graph/v1/paper/search?query=CRISPR&limit=5&fields=title,abstract,url
→ Paper + Abstracts.

CrossRef API
https://api.crossref.org/works?query=alzheimers+therapy&rows=5
→ DOIs, Journals, Metadaten.

CORE API (Open Research)
https://core.ac.uk:443/api-v2/articles/search/CRISPR?page=1&pageSize=5&apiKey=YOUR_KEY
→ Millionen Open Access Paper.

OpenAlex API (Nachfolger von Microsoft Academic)
https://api.openalex.org/works?filter=title.search:CRISPR
→ Paper, Zitationen, Institutionen.

Springer Nature Open API
http://api.springernature.com/metadata/json?q=CRISPR&api_key=YOUR_KEY
→ Springer Open Access Artikel.

🧠 Medizin & Biomedizin

ClinicalTrials.gov API
https://clinicaltrials.gov/api/v2/studies?query=Alzheimer
→ Laufende und abgeschlossene Studien.

DrugBank Open Data
https://go.drugbank.com/unearth/q?searcher=drugs&query=aspirin
→ Medikamenten-Infos (Subsets sind frei).

ChEMBL API (EBI)
https://www.ebi.ac.uk/chembl/api/data/molecule.json?molecule_structures__canonical_smiles=CCO
→ Chemische Strukturen, Targets.

UniProt API
https://rest.uniprot.org/uniprotkb/search?query=BRCA1
→ Protein-Sequenzen, Funktionen.

Ensembl REST API
https://rest.ensembl.org/lookup/symbol/homo_sapiens/BRCA1?content-type=application/json
→ Gene & Varianten.

HGNC (Gene Nomenclature)
https://rest.genenames.org/fetch/symbol/TP53
→ Offizielle Genbezeichnungen.

PDB (Protein Data Bank) API
https://search.rcsb.org/rcsbsearch/v2/query?json=...
→ Proteinstrukturen.

🌍 Epidemiologie & Gesundheit

WHO GHO API (Global Health Observatory)
https://ghoapi.azureedge.net/api/
→ Gesundheitsindikatoren weltweit.

CDC Data API
https://data.cdc.gov/resource/bi63-dtpu.json
→ Gesundheits- und Krankheitsstatistiken.

OpenFDA API
https://api.fda.gov/drug/event.json?search=aspirin&limit=5
→ Nebenwirkungen, Zulassungsdaten.

NIH Open Data
https://api.federalreporter.nih.gov/v1/projects/search?query=Alzheimer
→ NIH-geförderte Forschungsprojekte.

Global Biodata / EBI Ontology Lookup
https://www.ebi.ac.uk/ols/api/search?q=Alzheimer
→ Ontologien, Begriffsdefinitionen.