Datumbox offers a Machine Learning platform composed of 14 classifiers and Natural Language processing functions. Functions include sentiment analysis, topic classification, readability assessment, language detection, and much more.
http://api.datumbox.com/
Auth type
OAuth 2.0
Auth header
Authorization: Bearer YOUR_ACCESS_TOKEN
Rate limit
4,000 API calls/min (authenticated)
Pricing
Free tier available
Free quota
10 GB storage / forever
Documentation
http://api.datumbox.com/
Endpoint status
Server online — HTTP 500 — server is online but path returned an error (may require auth)1.77s
(checked Mar 29, 2026)
Builder score
B
71%
builder-friendly
OAuth 2.0 or JWT (Server Authentication) for machine-to-machine
Authorization: Bearer YOUR_ACCESS_TOKEN
| Plan | Price/mo | Included |
|---|---|---|
| Individual | Free | 10 GB storage |
| Business Starter | $15 | Per user/mo, unlimited storage |
| Business | $20 | Per user/mo, advanced admin |
| Enterprise | $0 | Custom pricing |
Individual: free (10GB). Business Starter: $15/user/mo (unlimited storage). Business: $20/user/mo. Enterprise: custom.
| Method | Path | Description |
|---|---|---|
| POST | /1.0/AdultContentDetection.json |
Classifies the Document as adult or noadult |
| POST | /1.0/CommercialDetection.json |
Classifies the Document as commercial or nocommercial |
| POST | /1.0/DocumentSimilarity.json |
Estimates the similarity between 2 Documents |
| POST | /1.0/EducationalDetection.json |
Classifies the Document as educational or noeducational |
| POST | /1.0/GenderDetection.json |
Gender Detection Service |
| POST | /1.0/KeywordExtraction.json |
Extracts the Keywords of the Document |
| POST | /1.0/LanguageDetection.json |
Identifies the Language of the Document |
| POST | /1.0/ReadabilityAssessment.json |
Evaluates the Readability of the Document |
curl -X GET 'http://api.datumbox.com//1.0/AdultContentDetection.json' \ -H '# No auth required'
{}
Data sourced from API Map. Always verify pricing and rate limits against the official api.datumbox.com documentation.