Engage your users
and stand out from
competitors
Leverage ELSA’s world-leading Speech Recognition API for your business’ unique needs.
A game-changing solution
for your education platform
Top ASR in the industry
Give your users world-class speech recognition feedback - a high value feature for language learning.
3x conversion rate
Convert users to paying customers at 3x the industry standard rate, thanks to the interactive and engaging nature of speaking practice with ELSA.
8x user engagement
Keep users engaged for longer. An ELSA user’s average session time is 23 minutes - in the top 10% of language learning apps.
How does ELSA API work?
- Unscripted: spontaneous speech where the ELSA server will recognize what the user said and then score it.
- Scripted: pre-defined text for the user to read and ELSA gives feedback.
Real-time feedback and recommendations to improve English skills
[Demo] API output feedback
Your Overall Score
Your Pronunciation Highlights
Areas for Improvement
Suggestions for Improvement
Your Intonation Highlights
Average Pitch Variation
Volume Variation Score
Your Fluency Highlights
Average Pace
Suggestions for Improvement
Maintaining your pace between 100 wpm and 140 wpm will help you keep your audience engaged.
Tips and tricks to improve 
Your Grammar Highlights
Top Errors
Suggestions for Improvement
Good grammar gives clarity and structure to your speech.
Additional resources for Verb Form 
Your Vocabulary Highlights
Vocabulary Distribution
Using advanced Vocabulary ( B2, C1 and C2) adds colour and flair to your delivery.
Suggestions for Improvement
Exploring high-level synonyms will help you expand your Active Vocabulary Bank.
Technology that accurately recognizes
and gives feedback to non native speakers
Our AI is constantly advancing with
learners practicing an average of
23 minutes per session
With learners from 195 countries
in the world, our AI trains with a diverse set of non native accent data
95% of users express higher
confidence in speaking English after
practicing for at least 10 minutes
a day for 3 months
ELSA API can detect
speech errors at various levels
Word Pronunciation
Speak the word and get pronunciation feedback for each sound.
interesting
/ˈɪn.trɪ.stɪŋ/
Sentence Pronunciation
Receive feedback on your pronunciation, intonation, and fluency on a sentence.
Would you like to try?
/wʊd ju laɪk tə traɪ/
Unscripted Speech
Receive feedback on your pronunciation, vocabulary, grammar & more for your speech.
Express yourself in English and get detailed feedback on your speech.
That’s cool! Let me try...
Simple, flexible pricing
No overcharges or hidden fees.
We prefer simple and transparent.
AUDIO LENGTH (PER REQUEST)
USAGE
Word pronunciation
Sentence pronunciation
Multiple choice pronunciation
Fluency assessment
Spontaneous speech assessment
IELTS assessment
FEEDBACK PROVIDED
Sentence, word and phoneme scores
Sentence and phoneme mispronunciations and feedback hints
Word stress, reading speed, mispronunciation rate and pausing metrics
Fluency and intonation metrics
Spoken transcript
Grammar score and feedback
Vocabulary score and feedback
Ready to learn more about ELSA API?
- DOWNLOAD
