August 11th, 2025

πŸš€ New Features & Improvements

πŸ†• Stems API (Basic & Full)

  • Stems Basic: Splits generated songs into 2 tracks β€” vocals and instruments
    β†’ 15 credits per request

  • Stems Full: Splits into 12 detailed tracks β€” individual vocals and instrument layers
    β†’ 75 credits per request

πŸ†• Get WAV API

  • Retrieve high-quality WAV URLs of generated songs

  • More detail, better fidelity β€” ideal for professional use
    β†’ 2 credits per request


πŸ’‘ Changes & Optimizations

⬇️ Concat API Cost Reduced

  • The credit cost has been lowered from 15 β†’ 2 credits per request

πŸ”§ Updated Field Limits

  • prompt (lyrics, required in custom mode)

    • v4.5 / v4.5-plus: up to 5000 characters

    • v4 and below: up to 3000 characters

  • tags (style/genre, optional)

    • v4.5 / v4.5-plus: up to 1000 characters

    • v4 and below: up to 200 characters


πŸ“š View full API documentation: https://docs.musicapi.ai