# ResonanceEngine — Text Alignment Scoring for AI Outputs **Stop shipping AI features blind.** ResonanceEngine tells you exactly how well two texts resonate — whether that's a model output vs. expected answer, a chatbot reply vs. brand voice, or a generated email vs. the user's intent. ## Why developers use it LLMs are non-deterministic. You need a fast, calibrated way to measure "did the output…

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2 endpoints
The in-depth APIMemo review for this API hasn't been published yet — the data below comes straight from the public marketplace listing.

ResonanceEngine endpoints

MethodEndpointDescription
POST Evaluate
/resonance-engine-evaluate
Evaluate alignment between two text strings and get a 0-100 score with detailed signals. Supports four modes: semantic (meaning match), intent (purpose match), emotional (tone…
POST Batch
/resonance-engine-batch
Evaluate multiple text pairs in parallel (1-20 pairs per request). Returns per-pair results plus average alignment score. Ideal for bulk content quality checks.

ResonanceEngine pricing

PlanPriceRate limitQuotas
BASIC Free 3 / minute
  • Requests: 20 / monthly
PRO Recommended $29 / month 60 / second
  • Requests: 5,000 / monthly
ULTRA $99 / month 300 / second
  • Requests: 50,000 / monthly

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