Phonetic Intelligence API

Find the words
that weren't there

opportunitycommunity

Vector search over 1M+ rhyme pairs and 43K creative variants. Multi-word combinations. Slant rhymes. Artist style profiles. The infrastructure for the next generation of music tools.

Beyond simple
sound matching

311-dimensional phonetic embeddings capture syllable position, stress patterns, and articulatory features. Find double, triple, quadruple, and quintuple rhymes that traditional dictionaries miss.

5-syllable matches
opportunity
communityimmunityunityimpunity
4-syllable matches
education
dedicationmeditationcelebration
3-syllable matches
beautiful
dutifulbountifulplentiful
2-syllable matches
amazing
blazingphrasingraisingpraising
118K
Phonetic words
1M+
Rhyme pairs
43K
Creative variants
<50ms
P95 latency

Built for builders

From indie developers to production teams, rhyme.rest powers the next generation of music and creative tools.

🎤

Music Production Apps

Build the next Genius or RapPad. Power lyric writing tools with instant rhyme suggestions and syllable-aware completions.

DAW pluginsLyric writing appsSongwriting assistants
🎮

Gaming & Entertainment

Create rap battle games, karaoke apps, or freestyle challenges. Real-time rhyme validation and scoring.

Rap battle gamesRhythm gamesKaraoke scoring
🤖

AI Music Tools

Feed verified rhyme data to your LLMs. Ensure AI-generated lyrics actually rhyme with phonetically-verified suggestions.

AI songwritersPrompt enhancementTraining data
📚

Education

Teach poetry, phonetics, and creative writing. Visualize sound patterns and explore language structure.

Poetry toolsESL learningPhonetics education
🎵

Music Analysis

Analyze song lyrics for rhyme density, scheme detection, and artist style. Research musical patterns at scale.

Lyric analysisArtist comparisonTrend research
💬

Social & Creative

Add rhyme-based features to social apps. Generate captions, enhance comments, or power creative challenges.

Caption generatorsComment enhancersCreative challenges

Everything you need
to build with rhymes

Door Hinge Technique

Find multi-word combinations that rhyme with 'unrhymable' words. The technique Eminem made famous for rhyming 'orange'.

"orange" → door hinge, "purple" → burp ul, "silver" → kill her

Artist DNA Profiles

Score rhymes by artist-specific preferences. Technical density for Eminem. Slant tolerance for MF DOOM. Melodic patterns for Drake.

8 profiles: Eminem, Kendrick, Drake, DOOM, Nas, Cole, Tyler, Wayne

Slant Rhyme Discovery

43,000+ creative variants including slant rhymes for when perfect rhymes feel stale. Near-rhymes that still land.

money → funny, honey, sunny + 50 slant variants

BPM-Aware Filtering

Syllable budgets per beat. Filter rhymes by what fits your instrumental. Know exactly how many syllables fit at any tempo.

Genre presets: boom-bap, trap, drill, R&B, reggaeton, grime

Phrase Rhyming

Match entire phrases, not just single words. Sliding-window phoneme indexing finds matches across word boundaries.

"bat man" → cat scan, fat pan, that can

LLM Co-Writing

Complete bars with rhyme targeting. Generate verses following AABB, ABAB schemes. Style-conditioned output that sounds human.

Requires Pro plan
api.rhyme.rest
// Find creative rhymes for "unrhymable" words
GET /rhymes/orange/variants

{
  "query": "orange",
  "counts": { "slant": 1, "multiword": 7 },
  "variants": [
    { "variant": "door hinge", "type": "multiword", "similarity": 0.56 },
    { "variant": "lozenge", "type": "slant", "similarity": 0.50 },
    { "variant": "four inch", "type": "multiword", "similarity": 0.48 }
  ],
  "tip": "Multi-word variants enable Eminem-style rhyming"
}

Try it now

Enter any word. See what rhymes emerge.

Simple pricing

Start free. Scale when you're ready.

Free

$0

For experimentation

  • 1,000 requests/month
  • 10 req/minute
  • Core rhyme endpoints
Get Started

Starter

$29/mo

For indie developers

  • 50,000 requests/month
  • 60 req/minute
  • All rhyme endpoints
  • Multi-syllabic matching
  • Email support
Get Starter
Most Popular

Pro

$99/mo

For production apps

  • 500,000 requests/month
  • 300 req/minute
  • All endpoints
  • LLM generation
  • Artist style profiles
  • Priority support
Upgrade to Pro

Enterprise

Custom

For scale

  • Unlimited requests
  • Custom rate limits
  • Dedicated support
  • SLA guarantee
  • On-premise option
Contact Us