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HeartMuLa models API

Call 1 HeartMuLa models through one PopNow API key: HeartMuLa Transcribe. Prices start at $0.05 per run.

models
1
endpoints
1
starting price, per run
$0.05

HeartMuLa models

HeartMuLa API prices

See pricing
ModelBest forList pricePopNow priceYou save
HeartMuLa Transcribeheartmula/transcribe/speech-to-textSpeech to Text—$0.05per run

List prices are each maker's own published price for the same output, checked on Oct 14, 2026. Prices shown are starting prices; open a model for every tier.

Latest HeartMuLa additions

  1. HeartMuLa TranscribeAudio · From $0.05 per run
Changelog

Call a HeartMuLa model

The same request works for every model: change the model name and its input.

curl -X POST https://api.popnow.ai/api/v1/jobs/createTask \
  -H "Authorization: Bearer $POPNOW_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
  "model": "heartmula/transcribe/speech-to-text",
  "input": {
    "audio_url": "https://media.popnow.ai/shortfilm/voices/Aoede-46e4c427.mp3"
  }
}'

Frequently asked questions

How do I call HeartMuLa models with PopNow?

Create an API key, then send a task with the model name (for example heartmula/transcribe/speech-to-text) and its input. You get a task ID back and read the result when it is ready, or receive it on your webhook.

How much do HeartMuLa models cost on PopNow?

Prices start at $0.05 per run. Each model page lists every tier, and you get an exact quote before every run.

Which HeartMuLa models are available?

HeartMuLa Transcribe. New models are added as they are released; see the changelog.

Other model makers

All model makers

Start building in minutes

One key for every model, a USD balance you top up when you need to, and an exact price before every run.