Word Orb + Lesson Orb + Quiz Orb — The complete infrastructure for educational AI · Get a free API key →
Infrastructure for every educational AI.
Dictionary, lesson, and assessment APIs for AI agents and educational robots. Verified data, 47 languages, age-appropriate, served at the edge. One API key, three products.
Verified definitions backed by etymology. 47-language translations with native script. Pronunciation audio. Age-appropriate explanations from 5 to 65+.
Give your agent a real dictionary, structured lessons, and calibrated assessments. MCP integration in one line. 3ms from the edge. Deterministic, not hallucinated.
Robotics Companies
When your robot teaches a child, every word and every lesson matters. Age-appropriate tones, 10 teaching personalities, pronunciation audio, and assessments to check understanding.
Teaching Platforms
365 days of structured curriculum across 4 tracks. 10 archetypes adapt delivery style. Vocabulary, lessons, and quizzes linked through a knowledge graph. Drop it into your platform.
MCP Standard · Works Everywhere
One config line connects the Orb Platform to Claude Desktop, ChatGPT, Cursor, Gemini, and any MCP-compatible agent.
Education Stack Word + Lesson + Quiz + Knowledge Graph
Everything in one subscription. The complete infrastructure for educational AI. Save 21% vs buying individually.
Starter
$179/mo
All 3 products
Word Orb Starter
Lesson Orb Starter
Quiz Orb Starter
Knowledge Graph
Growth
$549/mo
All 3 products
Word Orb Growth
Lesson Orb Growth
Quiz Orb Growth
Knowledge Graph
Enterprise
$1,799/mo
All 3 unlimited
Word Orb Enterprise
Lesson Orb Enterprise
Quiz Orb Enterprise
Knowledge Graph + Custom
Start building in 60 seconds
One API key works across Word Orb, Lesson Orb, and Quiz Orb. Free tier included. No credit card.
Try all three products
One API key, three products, same authentication
Word Orb
Lesson Orb
Quiz Orb
# Look up a word
curl -H "Authorization: Bearer wo_YOUR_KEY" \
https://word-orb-api.nicoletterankin.workers.dev/api/word/courage
# Returns: definition, IPA, etymology, 47-language
# translations, 4 age-group tones, pronunciation audio
# Get a structured lesson
curl -H "Authorization: Bearer wo_YOUR_KEY" \
"https://word-orb-api.nicoletterankin.workers.dev/api/lesson?day=47&track=learn&age=kid&lang=en"
# Returns: 5 phases (hook, story, wonder, action, wisdom)
# Add &archetype=explorer for personality-adapted delivery
# Get quiz questions for a lesson
curl -H "Authorization: Bearer wo_YOUR_KEY" \
"https://word-orb-api.nicoletterankin.workers.dev/api/quiz?day=47&track=learn"
# Returns: MC, T/F, open-ended, reflection questions
# with answers and explanations# Or get random questions:
curl -H "Authorization: Bearer wo_YOUR_KEY" \
"https://word-orb-api.nicoletterankin.workers.dev/api/quiz/random?track=learn&count=5"
Platform updates
Get notified about new orbs, language additions, and integration guides.